diff options
Diffstat (limited to 'unix/tclUnixFCmd.c')
| -rw-r--r-- | unix/tclUnixFCmd.c | 2246 |
1 files changed, 1401 insertions, 845 deletions
diff --git a/unix/tclUnixFCmd.c b/unix/tclUnixFCmd.c index 430c932..3b1b6ca 100644 --- a/unix/tclUnixFCmd.c +++ b/unix/tclUnixFCmd.c @@ -1,59 +1,55 @@ /* * tclUnixFCmd.c * - * This file implements the unix specific portion of file manipulation - * subcommands of the "file" command. All filename arguments should + * This file implements the unix specific portion of file manipulation + * subcommands of the "file" command. All filename arguments should * already be translated to native format. * * Copyright (c) 1996-1998 Sun Microsystems, Inc. * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclUnixFCmd.c,v 1.37 2004/04/26 15:51:20 dgp Exp $ - * - * Portions of this code were derived from NetBSD source code which has - * the following copyright notice: + * Portions of this code were derived from NetBSD source code which has the + * following copyright notice: * * Copyright (c) 1988, 1993, 1994 - * The Regents of the University of California. All rights reserved. + * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * modification, are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software + * 3. Neither the name of the University nor the names of its contributors may + * be used to endorse or promote products derived from this software * without specific prior written permission. * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. */ #include "tclInt.h" #include <utime.h> #include <grp.h> -#ifndef HAVE_ST_BLKSIZE +#ifndef HAVE_STRUCT_STAT_ST_BLKSIZE #ifndef NO_FSTATFS #include <sys/statfs.h> #endif +#endif /* !HAVE_STRUCT_STAT_ST_BLKSIZE */ +#ifdef HAVE_FTS +#include <fts.h> #endif /* @@ -61,104 +57,132 @@ * TraverseUnixTree() calls the traverseProc() */ -#define DOTREE_PRED 1 /* pre-order directory */ -#define DOTREE_POSTD 2 /* post-order directory */ -#define DOTREE_F 3 /* regular file */ +#define DOTREE_PRED 1 /* pre-order directory */ +#define DOTREE_POSTD 2 /* post-order directory */ +#define DOTREE_F 3 /* regular file */ + +/* + * Fallback temporary file location the temporary file generation code. Can be + * overridden at compile time for when it is known that temp files can't be + * written to /tmp (hello, iOS!). + */ + +#ifndef TCL_TEMPORARY_FILE_DIRECTORY +#define TCL_TEMPORARY_FILE_DIRECTORY "/tmp" +#endif /* * Callbacks for file attributes code. */ -static int GetGroupAttribute _ANSI_ARGS_((Tcl_Interp *interp, - int objIndex, Tcl_Obj *fileName, - Tcl_Obj **attributePtrPtr)); -static int GetOwnerAttribute _ANSI_ARGS_((Tcl_Interp *interp, - int objIndex, Tcl_Obj *fileName, - Tcl_Obj **attributePtrPtr)); -static int GetPermissionsAttribute _ANSI_ARGS_(( - Tcl_Interp *interp, int objIndex, - Tcl_Obj *fileName, Tcl_Obj **attributePtrPtr)); -static int SetGroupAttribute _ANSI_ARGS_((Tcl_Interp *interp, - int objIndex, Tcl_Obj *fileName, - Tcl_Obj *attributePtr)); -static int SetOwnerAttribute _ANSI_ARGS_((Tcl_Interp *interp, +static int GetGroupAttribute(Tcl_Interp *interp, int objIndex, + Tcl_Obj *fileName, Tcl_Obj **attributePtrPtr); +static int GetOwnerAttribute(Tcl_Interp *interp, int objIndex, + Tcl_Obj *fileName, Tcl_Obj **attributePtrPtr); +static int GetPermissionsAttribute(Tcl_Interp *interp, int objIndex, Tcl_Obj *fileName, - Tcl_Obj *attributePtr)); -static int SetPermissionsAttribute _ANSI_ARGS_(( - Tcl_Interp *interp, int objIndex, - Tcl_Obj *fileName, Tcl_Obj *attributePtr)); -static int GetModeFromPermString _ANSI_ARGS_(( - Tcl_Interp *interp, char *modeStringPtr, - mode_t *modePtr)); -#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) -static int GetReadOnlyAttribute _ANSI_ARGS_((Tcl_Interp *interp, + Tcl_Obj **attributePtrPtr); +static int SetGroupAttribute(Tcl_Interp *interp, int objIndex, + Tcl_Obj *fileName, Tcl_Obj *attributePtr); +static int SetOwnerAttribute(Tcl_Interp *interp, int objIndex, + Tcl_Obj *fileName, Tcl_Obj *attributePtr); +static int SetPermissionsAttribute(Tcl_Interp *interp, int objIndex, Tcl_Obj *fileName, - Tcl_Obj **attributePtrPtr)); -static int SetReadOnlyAttribute _ANSI_ARGS_((Tcl_Interp *interp, - int objIndex, Tcl_Obj *fileName, - Tcl_Obj *attributePtr)); + Tcl_Obj *attributePtr); +static int GetModeFromPermString(Tcl_Interp *interp, + const char *modeStringPtr, mode_t *modePtr); +#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) || defined(__CYGWIN__) +static int GetUnixFileAttributes(Tcl_Interp *interp, int objIndex, + Tcl_Obj *fileName, Tcl_Obj **attributePtrPtr); +static int SetUnixFileAttributes(Tcl_Interp *interp, int objIndex, + Tcl_Obj *fileName, Tcl_Obj *attributePtr); #endif /* * Prototype for the TraverseUnixTree callback function. */ -typedef int (TraversalProc) _ANSI_ARGS_((Tcl_DString *srcPtr, - Tcl_DString *dstPtr, CONST Tcl_StatBuf *statBufPtr, int type, - Tcl_DString *errorPtr)); +typedef int (TraversalProc)(Tcl_DString *srcPtr, Tcl_DString *dstPtr, + const Tcl_StatBuf *statBufPtr, int type, Tcl_DString *errorPtr); /* * Constants and variables necessary for file attributes subcommand. - * - * IMPORTANT: The permissions attribute is assumed to be the third - * item (i.e. to be indexed with '2' in arrays) in code in tclIOUtil.c - * and possibly elsewhere in Tcl's core. + * + * IMPORTANT: The permissions attribute is assumed to be the third item (i.e. + * to be indexed with '2' in arrays) in code in tclIOUtil.c and possibly + * elsewhere in Tcl's core. */ #ifdef DJGPP -/*See contrib/djgpp/tclDjgppFCmd.c for definitio*/ +/* + * See contrib/djgpp/tclDjgppFCmd.c for definition. + */ + extern TclFileAttrProcs tclpFileAttrProcs[]; -extern char *tclpFileAttrStrings[]; +extern const char *const tclpFileAttrStrings[]; -#else +#else /* !DJGPP */ enum { +#if defined(__CYGWIN__) + UNIX_ARCHIVE_ATTRIBUTE, +#endif UNIX_GROUP_ATTRIBUTE, - UNIX_OWNER_ATTRIBUTE, - UNIX_PERMISSIONS_ATTRIBUTE, -#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) +#if defined(__CYGWIN__) + UNIX_HIDDEN_ATTRIBUTE, +#endif + UNIX_OWNER_ATTRIBUTE, UNIX_PERMISSIONS_ATTRIBUTE, +#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) || defined(__CYGWIN__) UNIX_READONLY_ATTRIBUTE, #endif +#if defined(__CYGWIN__) + UNIX_SYSTEM_ATTRIBUTE, +#endif #ifdef MAC_OSX_TCL - MACOSX_CREATOR_ATTRIBUTE, - MACOSX_TYPE_ATTRIBUTE, - MACOSX_HIDDEN_ATTRIBUTE, + MACOSX_CREATOR_ATTRIBUTE, MACOSX_TYPE_ATTRIBUTE, MACOSX_HIDDEN_ATTRIBUTE, MACOSX_RSRCLENGTH_ATTRIBUTE, #endif + UNIX_INVALID_ATTRIBUTE /* lint - last enum value needs no trailing , */ }; -CONST char *tclpFileAttrStrings[] = { +MODULE_SCOPE const char *const tclpFileAttrStrings[]; +const char *const tclpFileAttrStrings[] = { +#if defined(__CYGWIN__) + "-archive", +#endif "-group", - "-owner", - "-permissions", -#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) +#if defined(__CYGWIN__) + "-hidden", +#endif + "-owner", "-permissions", +#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) || defined(__CYGWIN__) "-readonly", #endif +#if defined(__CYGWIN__) + "-system", +#endif #ifdef MAC_OSX_TCL - "-creator", - "-type", - "-hidden", - "-rsrclength", + "-creator", "-type", "-hidden", "-rsrclength", #endif - (char *) NULL + NULL }; -CONST TclFileAttrProcs tclpFileAttrProcs[] = { - {GetGroupAttribute, SetGroupAttribute}, - {GetOwnerAttribute, SetOwnerAttribute}, - {GetPermissionsAttribute, SetPermissionsAttribute}, -#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) - {GetReadOnlyAttribute, SetReadOnlyAttribute}, +MODULE_SCOPE const TclFileAttrProcs tclpFileAttrProcs[]; +const TclFileAttrProcs tclpFileAttrProcs[] = { +#if defined(__CYGWIN__) + {GetUnixFileAttributes, SetUnixFileAttributes}, +#endif + {GetGroupAttribute, SetGroupAttribute}, +#if defined(__CYGWIN__) + {GetUnixFileAttributes, SetUnixFileAttributes}, +#endif + {GetOwnerAttribute, SetOwnerAttribute}, + {GetPermissionsAttribute, SetPermissionsAttribute}, +#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) || defined(__CYGWIN__) + {GetUnixFileAttributes, SetUnixFileAttributes}, +#endif +#if defined(__CYGWIN__) + {GetUnixFileAttributes, SetUnixFileAttributes}, #endif #ifdef MAC_OSX_TCL {TclMacOSXGetFileAttribute, TclMacOSXSetFileAttribute}, @@ -167,103 +191,155 @@ CONST TclFileAttrProcs tclpFileAttrProcs[] = { {TclMacOSXGetFileAttribute, TclMacOSXSetFileAttribute}, #endif }; -#endif +#endif /* DJGPP */ + +/* + * This is the maximum number of consecutive readdir/unlink calls that can be + * made (with no intervening rewinddir or closedir/opendir) before triggering + * a bug that makes readdir return NULL even though some directory entries + * have not been processed. The bug afflicts SunOS's readdir when applied to + * ufs file systems and Darwin 6.5's (and OSX v.10.3.8's) HFS+. JH found the + * Darwin readdir to reset at 147, so 130 is chosen to be conservative. We + * can't do a general rewind on failure as NFS can create special files that + * recreate themselves when you try and delete them. 8.4.8 added a solution + * that was affected by a single such NFS file, this solution should not be + * affected by less than THRESHOLD such files. [Bug 1034337] + */ + +#define MAX_READDIR_UNLINK_THRESHOLD 130 + /* * Declarations for local procedures defined in this file: */ -static int CopyFileAtts _ANSI_ARGS_((CONST char *src, - CONST char *dst, CONST Tcl_StatBuf *statBufPtr)); -static int DoCopyFile _ANSI_ARGS_((CONST char *srcPtr, - CONST char *dstPtr)); -static int DoCreateDirectory _ANSI_ARGS_((CONST char *pathPtr)); -static int DoRemoveDirectory _ANSI_ARGS_((Tcl_DString *pathPtr, - int recursive, Tcl_DString *errorPtr)); -static int DoRenameFile _ANSI_ARGS_((CONST char *src, - CONST char *dst)); -static int TraversalCopy _ANSI_ARGS_((Tcl_DString *srcPtr, - Tcl_DString *dstPtr, CONST Tcl_StatBuf *statBufPtr, - int type, Tcl_DString *errorPtr)); -static int TraversalDelete _ANSI_ARGS_((Tcl_DString *srcPtr, - Tcl_DString *dstPtr, CONST Tcl_StatBuf *statBufPtr, - int type, Tcl_DString *errorPtr)); -static int TraverseUnixTree _ANSI_ARGS_(( - TraversalProc *traversalProc, +static int CopyFileAtts(const char *src, + const char *dst, const Tcl_StatBuf *statBufPtr); +static const char * DefaultTempDir(void); +static int DoCopyFile(const char *srcPtr, const char *dstPtr, + const Tcl_StatBuf *statBufPtr); +static int DoCreateDirectory(const char *pathPtr); +static int DoRemoveDirectory(Tcl_DString *pathPtr, + int recursive, Tcl_DString *errorPtr); +static int DoRenameFile(const char *src, const char *dst); +static int TraversalCopy(Tcl_DString *srcPtr, + Tcl_DString *dstPtr, + const Tcl_StatBuf *statBufPtr, int type, + Tcl_DString *errorPtr); +static int TraversalDelete(Tcl_DString *srcPtr, + Tcl_DString *dstPtr, + const Tcl_StatBuf *statBufPtr, int type, + Tcl_DString *errorPtr); +static int TraverseUnixTree(TraversalProc *traversalProc, Tcl_DString *sourcePtr, Tcl_DString *destPtr, - Tcl_DString *errorPtr)); + Tcl_DString *errorPtr, int doRewind); #ifdef PURIFY /* - * realpath and purify don't mix happily. It has been noted that realpath + * realpath and purify don't mix happily. It has been noted that realpath * should not be used with purify because of bogus warnings, but just - * memset'ing the resolved path will squelch those. This assumes we are + * memset'ing the resolved path will squelch those. This assumes we are * passing the standard MAXPATHLEN size resolved arg. */ -static char * Realpath _ANSI_ARGS_((CONST char *path, - char *resolved)); + +static char * Realpath(const char *path, char *resolved); char * -Realpath(path, resolved) - CONST char *path; - char *resolved; +Realpath( + const char *path, + char *resolved) { memset(resolved, 0, MAXPATHLEN); return realpath(path, resolved); } #else -#define Realpath realpath +# define Realpath realpath +#endif /* PURIFY */ + +#ifndef NO_REALPATH +#if defined(__APPLE__) && defined(TCL_THREADS) && \ + defined(MAC_OS_X_VERSION_MIN_REQUIRED) && \ + MAC_OS_X_VERSION_MIN_REQUIRED < 1030 +/* + * Prior to Darwin 7, realpath is not thread-safe, c.f. Bug 711232; if we + * might potentially be running on pre-10.3 OSX, check Darwin release at + * runtime before using realpath. + */ + +MODULE_SCOPE long tclMacOSXDarwinRelease; +# define haveRealpath (tclMacOSXDarwinRelease >= 7) +#else +# define haveRealpath 1 #endif +#endif /* NO_REALPATH */ + +#ifdef HAVE_FTS +#if defined(HAVE_STRUCT_STAT64) && !defined(__APPLE__) +/* fts doesn't do stat64 */ +# define noFtsStat 1 +#elif defined(__APPLE__) && defined(__LP64__) && \ + defined(MAC_OS_X_VERSION_MIN_REQUIRED) && \ + MAC_OS_X_VERSION_MIN_REQUIRED < 1050 +/* + * Prior to Darwin 9, 64bit fts_open() without FTS_NOSTAT may crash (due to a + * 64bit-unsafe ALIGN macro); if we could be running on pre-10.5 OSX, check + * Darwin release at runtime and do a separate stat() if necessary. + */ +MODULE_SCOPE long tclMacOSXDarwinRelease; +# define noFtsStat (tclMacOSXDarwinRelease < 9) +#else +# define noFtsStat 0 +#endif +#endif /* HAVE_FTS */ /* *--------------------------------------------------------------------------- * * TclpObjRenameFile, DoRenameFile -- * - * Changes the name of an existing file or directory, from src to dst. - * If src and dst refer to the same file or directory, does nothing - * and returns success. Otherwise if dst already exists, it will be - * deleted and replaced by src subject to the following conditions: + * Changes the name of an existing file or directory, from src to dst. If + * src and dst refer to the same file or directory, does nothing and + * returns success. Otherwise if dst already exists, it will be deleted + * and replaced by src subject to the following conditions: * If src is a directory, dst may be an empty directory. * If src is a file, dst may be a file. - * In any other situation where dst already exists, the rename will - * fail. + * In any other situation where dst already exists, the rename will fail. * * Results: - * If the directory was successfully created, returns TCL_OK. - * Otherwise the return value is TCL_ERROR and errno is set to - * indicate the error. Some possible values for errno are: + * If the directory was successfully created, returns TCL_OK. Otherwise + * the return value is TCL_ERROR and errno is set to indicate the error. + * Some possible values for errno are: * - * EACCES: src or dst parent directory can't be read and/or written. + * EACCES: src or dst parent directory can't be read and/or written. * EEXIST: dst is a non-empty directory. * EINVAL: src is a root directory or dst is a subdirectory of src. * EISDIR: dst is a directory, but src is not. * ENOENT: src doesn't exist, or src or dst is "". - * ENOTDIR: src is a directory, but dst is not. + * ENOTDIR: src is a directory, but dst is not. * EXDEV: src and dst are on different filesystems. - * + * * Side effects: - * The implementation of rename may allow cross-filesystem renames, - * but the caller should be prepared to emulate it with copy and - * delete if errno is EXDEV. + * The implementation of rename may allow cross-filesystem renames, but + * the caller should be prepared to emulate it with copy and delete if + * errno is EXDEV. * *--------------------------------------------------------------------------- */ -int -TclpObjRenameFile(srcPathPtr, destPathPtr) - Tcl_Obj *srcPathPtr; - Tcl_Obj *destPathPtr; +int +TclpObjRenameFile( + Tcl_Obj *srcPathPtr, + Tcl_Obj *destPathPtr) { - return DoRenameFile(Tcl_FSGetNativePath(srcPathPtr), - Tcl_FSGetNativePath(destPathPtr)); + return DoRenameFile(Tcl_FSGetNativePath(srcPathPtr), + Tcl_FSGetNativePath(destPathPtr)); } static int -DoRenameFile(src, dst) - CONST char *src; /* Pathname of file or dir to be renamed +DoRenameFile( + const char *src, /* Pathname of file or dir to be renamed * (native). */ - CONST char *dst; /* New pathname of file or directory + const char *dst) /* New pathname of file or directory * (native). */ { if (rename(src, dst) == 0) { /* INTL: Native. */ @@ -274,35 +350,35 @@ DoRenameFile(src, dst) } /* - * IRIX returns EIO when you attept to move a directory into - * itself. We just map EIO to EINVAL get the right message on SGI. - * Most platforms don't return EIO except in really strange cases. + * IRIX returns EIO when you attept to move a directory into itself. We + * just map EIO to EINVAL get the right message on SGI. Most platforms + * don't return EIO except in really strange cases. */ - + if (errno == EIO) { errno = EINVAL; } - + #ifndef NO_REALPATH /* - * SunOS 4.1.4 reports overwriting a non-empty directory with a - * directory as EINVAL instead of EEXIST (first rule out the correct - * EINVAL result code for moving a directory into itself). Must be - * conditionally compiled because realpath() not defined on all systems. + * SunOS 4.1.4 reports overwriting a non-empty directory with a directory + * as EINVAL instead of EEXIST (first rule out the correct EINVAL result + * code for moving a directory into itself). Must be conditionally + * compiled because realpath() not defined on all systems. */ - if (errno == EINVAL) { + if (errno == EINVAL && haveRealpath) { char srcPath[MAXPATHLEN], dstPath[MAXPATHLEN]; DIR *dirPtr; Tcl_DirEntry *dirEntPtr; if ((Realpath((char *) src, srcPath) != NULL) /* INTL: Native. */ - && (Realpath((char *) dst, dstPath) != NULL) /* INTL: Native. */ + && (Realpath((char *) dst, dstPath) != NULL) /* INTL: Native */ && (strncmp(srcPath, dstPath, strlen(srcPath)) != 0)) { dirPtr = opendir(dst); /* INTL: Native. */ if (dirPtr != NULL) { while (1) { - dirEntPtr = TclOSreaddir(dirPtr); /* INTL: Native. */ + dirEntPtr = TclOSreaddir(dirPtr); /* INTL: Native. */ if (dirEntPtr == NULL) { break; } @@ -325,15 +401,15 @@ DoRenameFile(src, dst) * Alpha reports renaming / as EBUSY and Linux reports it as EACCES, * instead of EINVAL. */ - + errno = EINVAL; } /* - * DEC Alpha OSF1 V3.0 returns EACCES when attempting to move a - * file across filesystems and the parent directory of that file is - * not writable. Most other systems return EXDEV. Does nothing to - * correct this behavior. + * DEC Alpha OSF1 V3.0 returns EACCES when attempting to move a file + * across filesystems and the parent directory of that file is not + * writable. Most other systems return EXDEV. Does nothing to correct this + * behavior. */ return TCL_ERROR; @@ -344,61 +420,62 @@ DoRenameFile(src, dst) * * TclpObjCopyFile, DoCopyFile -- * - * Copy a single file (not a directory). If dst already exists and - * is not a directory, it is removed. + * Copy a single file (not a directory). If dst already exists and is not + * a directory, it is removed. * * Results: - * If the file was successfully copied, returns TCL_OK. Otherwise - * the return value is TCL_ERROR and errno is set to indicate the - * error. Some possible values for errno are: + * If the file was successfully copied, returns TCL_OK. Otherwise the + * return value is TCL_ERROR and errno is set to indicate the error. Some + * possible values for errno are: * - * EACCES: src or dst parent directory can't be read and/or written. + * EACCES: src or dst parent directory can't be read and/or written. * EISDIR: src or dst is a directory. - * ENOENT: src doesn't exist. src or dst is "". + * ENOENT: src doesn't exist. src or dst is "". * * Side effects: - * This procedure will also copy symbolic links, block, and - * character devices, and fifos. For symbolic links, the links - * themselves will be copied and not what they point to. For the - * other special file types, the directory entry will be copied and - * not the contents of the device that it refers to. + * This procedure will also copy symbolic links, block, and character + * devices, and fifos. For symbolic links, the links themselves will be + * copied and not what they point to. For the other special file types, + * the directory entry will be copied and not the contents of the device + * that it refers to. * *--------------------------------------------------------------------------- */ -int -TclpObjCopyFile(srcPathPtr, destPathPtr) - Tcl_Obj *srcPathPtr; - Tcl_Obj *destPathPtr; +int +TclpObjCopyFile( + Tcl_Obj *srcPathPtr, + Tcl_Obj *destPathPtr) { - return DoCopyFile(Tcl_FSGetNativePath(srcPathPtr), - Tcl_FSGetNativePath(destPathPtr)); + const char *src = Tcl_FSGetNativePath(srcPathPtr); + Tcl_StatBuf srcStatBuf; + + if (TclOSlstat(src, &srcStatBuf) != 0) { /* INTL: Native. */ + return TCL_ERROR; + } + + return DoCopyFile(src, Tcl_FSGetNativePath(destPathPtr), &srcStatBuf); } static int -DoCopyFile(src, dst) - CONST char *src; /* Pathname of file to be copied (native). */ - CONST char *dst; /* Pathname of file to copy to (native). */ +DoCopyFile( + const char *src, /* Pathname of file to be copied (native). */ + const char *dst, /* Pathname of file to copy to (native). */ + const Tcl_StatBuf *statBufPtr) + /* Used to determine filetype. */ { - Tcl_StatBuf srcStatBuf, dstStatBuf; + Tcl_StatBuf dstStatBuf; - /* - * Have to do a stat() to determine the filetype. - */ - - if (TclOSlstat(src, &srcStatBuf) != 0) { /* INTL: Native. */ - return TCL_ERROR; - } - if (S_ISDIR(srcStatBuf.st_mode)) { + if (S_ISDIR(statBufPtr->st_mode)) { errno = EISDIR; return TCL_ERROR; } /* - * symlink, and some of the other calls will fail if the target - * exists, so we remove it first + * Symlink, and some of the other calls will fail if the target exists, so + * we remove it first. */ - + if (TclOSlstat(dst, &dstStatBuf) == 0) { /* INTL: Native. */ if (S_ISDIR(dstStatBuf.st_mode)) { errno = EISDIR; @@ -408,43 +485,44 @@ DoCopyFile(src, dst) if (unlink(dst) != 0) { /* INTL: Native. */ if (errno != ENOENT) { return TCL_ERROR; - } + } } - switch ((int) (srcStatBuf.st_mode & S_IFMT)) { + switch ((int) (statBufPtr->st_mode & S_IFMT)) { #ifndef DJGPP - case S_IFLNK: { - char link[MAXPATHLEN]; - int length; + case S_IFLNK: { + char linkBuf[MAXPATHLEN+1]; + int length; - length = readlink(src, link, sizeof(link)); /* INTL: Native. */ - if (length == -1) { - return TCL_ERROR; - } - link[length] = '\0'; - if (symlink(link, dst) < 0) { /* INTL: Native. */ - return TCL_ERROR; - } - break; + length = readlink(src, linkBuf, MAXPATHLEN); + /* INTL: Native. */ + if (length == -1) { + return TCL_ERROR; } -#endif - case S_IFBLK: - case S_IFCHR: { - if (mknod(dst, srcStatBuf.st_mode, /* INTL: Native. */ - srcStatBuf.st_rdev) < 0) { - return TCL_ERROR; - } - return CopyFileAtts(src, dst, &srcStatBuf); + linkBuf[length] = '\0'; + if (symlink(linkBuf, dst) < 0) { /* INTL: Native. */ + return TCL_ERROR; } - case S_IFIFO: { - if (mkfifo(dst, srcStatBuf.st_mode) < 0) { /* INTL: Native. */ - return TCL_ERROR; - } - return CopyFileAtts(src, dst, &srcStatBuf); +#ifdef MAC_OSX_TCL + TclMacOSXCopyFileAttributes(src, dst, statBufPtr); +#endif + break; + } +#endif /* !DJGPP */ + case S_IFBLK: + case S_IFCHR: + if (mknod(dst, statBufPtr->st_mode, /* INTL: Native. */ + statBufPtr->st_rdev) < 0) { + return TCL_ERROR; } - default: { - return TclUnixCopyFile(src, dst, &srcStatBuf, 0); + return CopyFileAtts(src, dst, statBufPtr); + case S_IFIFO: + if (mkfifo(dst, statBufPtr->st_mode) < 0) { /* INTL: Native. */ + return TCL_ERROR; } + return CopyFileAtts(src, dst, statBufPtr); + default: + return TclUnixCopyFile(src, dst, statBufPtr, 0); } return TCL_OK; } @@ -452,92 +530,108 @@ DoCopyFile(src, dst) /* *---------------------------------------------------------------------- * - * TclUnixCopyFile - + * TclUnixCopyFile - * - * Helper function for TclpCopyFile. Copies one regular file, - * using read() and write(). + * Helper function for TclpCopyFile. Copies one regular file, using + * read() and write(). * * Results: * A standard Tcl result. * * Side effects: - * A file is copied. Dst will be overwritten if it exists. + * A file is copied. Dst will be overwritten if it exists. * *---------------------------------------------------------------------- */ -int -TclUnixCopyFile(src, dst, statBufPtr, dontCopyAtts) - CONST char *src; /* Pathname of file to copy (native). */ - CONST char *dst; /* Pathname of file to create/overwrite +int +TclUnixCopyFile( + const char *src, /* Pathname of file to copy (native). */ + const char *dst, /* Pathname of file to create/overwrite * (native). */ - CONST Tcl_StatBuf *statBufPtr; + const Tcl_StatBuf *statBufPtr, /* Used to determine mode and blocksize. */ - int dontCopyAtts; /* if flag set, don't copy attributes. */ + int dontCopyAtts) /* If flag set, don't copy attributes. */ { - int srcFd; - int dstFd; - u_int blockSize; /* Optimal I/O blocksize for filesystem */ - char *buffer; /* Data buffer for copy */ + int srcFd, dstFd; + unsigned blockSize; /* Optimal I/O blocksize for filesystem */ + char *buffer; /* Data buffer for copy */ size_t nread; #ifdef DJGPP #define BINMODE |O_BINARY #else #define BINMODE -#endif +#endif /* DJGPP */ - if ((srcFd = TclOSopen(src, O_RDONLY BINMODE, 0)) < 0) { /* INTL: Native. */ +#define DEFAULT_COPY_BLOCK_SIZE 4069 + + if ((srcFd = TclOSopen(src, O_RDONLY BINMODE, 0)) < 0) { /* INTL: Native */ return TCL_ERROR; } - dstFd = TclOSopen(dst, O_CREAT|O_TRUNC|O_WRONLY BINMODE, /* INTL: Native. */ + dstFd = TclOSopen(dst, O_CREAT|O_TRUNC|O_WRONLY BINMODE, /* INTL: Native */ statBufPtr->st_mode); if (dstFd < 0) { - close(srcFd); + close(srcFd); return TCL_ERROR; } -#ifdef HAVE_ST_BLKSIZE + /* + * Try to work out the best size of buffer to use for copying. If we + * can't, it's no big deal as we can just use a (32-bit) page, since + * that's likely to be fairly efficient anyway. + */ + +#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE blockSize = statBufPtr->st_blksize; -#else -#ifndef NO_FSTATFS +#elif !defined(NO_FSTATFS) { struct statfs fs; - if (fstatfs(srcFd, &fs, sizeof(fs), 0) == 0) { + + if (fstatfs(srcFd, &fs) == 0) { blockSize = fs.f_bsize; } else { - blockSize = 4096; + blockSize = DEFAULT_COPY_BLOCK_SIZE; } } -#else - blockSize = 4096; -#endif -#endif +#else + blockSize = DEFAULT_COPY_BLOCK_SIZE; +#endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */ + + /* + * [SF Tcl Bug 1586470] Even if we HAVE_STRUCT_STAT_ST_BLKSIZE, there are + * filesystems which report a bogus value for the blocksize. An example + * is the Andrew Filesystem (afs), reporting a blocksize of 0. When + * detecting such a situation we now simply fall back to a hardwired + * default size. + */ + if (blockSize <= 0) { + blockSize = DEFAULT_COPY_BLOCK_SIZE; + } buffer = ckalloc(blockSize); while (1) { - nread = read(srcFd, buffer, blockSize); - if ((nread == -1) || (nread == 0)) { + nread = (size_t) read(srcFd, buffer, blockSize); + if ((nread == (size_t) -1) || (nread == 0)) { break; } - if (write(dstFd, buffer, nread) != nread) { + if ((size_t) write(dstFd, buffer, nread) != nread) { nread = (size_t) -1; break; } } - + ckfree(buffer); close(srcFd); - if ((close(dstFd) != 0) || (nread == -1)) { + if ((close(dstFd) != 0) || (nread == (size_t) -1)) { unlink(dst); /* INTL: Native. */ return TCL_ERROR; } if (!dontCopyAtts && CopyFileAtts(src, dst, statBufPtr) == TCL_ERROR) { /* - * The copy succeeded, but setting the permissions failed, so be in - * a consistent state, we remove the file that was created by the - * copy. + * The copy succeeded, but setting the permissions failed, so be in a + * consistent state, we remove the file that was created by the copy. */ unlink(dst); /* INTL: Native. */ @@ -551,35 +645,35 @@ TclUnixCopyFile(src, dst, statBufPtr, dontCopyAtts) * * TclpObjDeleteFile, TclpDeleteFile -- * - * Removes a single file (not a directory). + * Removes a single file (not a directory). * * Results: - * If the file was successfully deleted, returns TCL_OK. Otherwise - * the return value is TCL_ERROR and errno is set to indicate the - * error. Some possible values for errno are: + * If the file was successfully deleted, returns TCL_OK. Otherwise the + * return value is TCL_ERROR and errno is set to indicate the error. Some + * possible values for errno are: * - * EACCES: a parent directory can't be read and/or written. + * EACCES: a parent directory can't be read and/or written. * EISDIR: path is a directory. * ENOENT: path doesn't exist or is "". * * Side effects: - * The file is deleted, even if it is read-only. + * The file is deleted, even if it is read-only. * *--------------------------------------------------------------------------- */ -int -TclpObjDeleteFile(pathPtr) - Tcl_Obj *pathPtr; +int +TclpObjDeleteFile( + Tcl_Obj *pathPtr) { return TclpDeleteFile(Tcl_FSGetNativePath(pathPtr)); } int -TclpDeleteFile(path) - CONST char *path; /* Pathname of file to be removed (native). */ +TclpDeleteFile( + const void *path) /* Pathname of file to be removed (native). */ { - if (unlink(path) != 0) { /* INTL: Native. */ + if (unlink((const char *)path) != 0) { return TCL_ERROR; } return TCL_OK; @@ -590,37 +684,37 @@ TclpDeleteFile(path) * * TclpCreateDirectory, DoCreateDirectory -- * - * Creates the specified directory. All parent directories of the - * specified directory must already exist. The directory is - * automatically created with permissions so that user can access - * the new directory and create new files or subdirectories in it. + * Creates the specified directory. All parent directories of the + * specified directory must already exist. The directory is automatically + * created with permissions so that user can access the new directory and + * create new files or subdirectories in it. * * Results: - * If the directory was successfully created, returns TCL_OK. - * Otherwise the return value is TCL_ERROR and errno is set to - * indicate the error. Some possible values for errno are: + * If the directory was successfully created, returns TCL_OK. Otherwise + * the return value is TCL_ERROR and errno is set to indicate the error. + * Some possible values for errno are: * - * EACCES: a parent directory can't be read and/or written. + * EACCES: a parent directory can't be read and/or written. * EEXIST: path already exists. * ENOENT: a parent directory doesn't exist. * * Side effects: - * A directory is created with the current umask, except that - * permission for u+rwx will always be added. + * A directory is created with the current umask, except that permission + * for u+rwx will always be added. * *--------------------------------------------------------------------------- */ -int -TclpObjCreateDirectory(pathPtr) - Tcl_Obj *pathPtr; +int +TclpObjCreateDirectory( + Tcl_Obj *pathPtr) { return DoCreateDirectory(Tcl_FSGetNativePath(pathPtr)); } static int -DoCreateDirectory(path) - CONST char *path; /* Pathname of directory to create (native). */ +DoCreateDirectory( + const char *path) /* Pathname of directory to create (native). */ { mode_t mode; @@ -644,54 +738,52 @@ DoCreateDirectory(path) * * TclpObjCopyDirectory -- * - * Recursively copies a directory. The target directory dst must - * not already exist. Note that this function does not merge two - * directory hierarchies, even if the target directory is an an - * empty directory. + * Recursively copies a directory. The target directory dst must not + * already exist. Note that this function does not merge two directory + * hierarchies, even if the target directory is an an empty directory. * * Results: - * If the directory was successfully copied, returns TCL_OK. - * Otherwise the return value is TCL_ERROR, errno is set to indicate - * the error, and the pathname of the file that caused the error - * is stored in errorPtr. See TclpObjCreateDirectory and - * TclpObjCopyFile for a description of possible values for errno. + * If the directory was successfully copied, returns TCL_OK. Otherwise + * the return value is TCL_ERROR, errno is set to indicate the error, and + * the pathname of the file that caused the error is stored in errorPtr. + * See TclpObjCreateDirectory and TclpObjCopyFile for a description of + * possible values for errno. * * Side effects: - * An exact copy of the directory hierarchy src will be created - * with the name dst. If an error occurs, the error will - * be returned immediately, and remaining files will not be - * processed. + * An exact copy of the directory hierarchy src will be created with the + * name dst. If an error occurs, the error will be returned immediately, + * and remaining files will not be processed. * *--------------------------------------------------------------------------- */ -int -TclpObjCopyDirectory(srcPathPtr, destPathPtr, errorPtr) - Tcl_Obj *srcPathPtr; - Tcl_Obj *destPathPtr; - Tcl_Obj **errorPtr; +int +TclpObjCopyDirectory( + Tcl_Obj *srcPathPtr, + Tcl_Obj *destPathPtr, + Tcl_Obj **errorPtr) { Tcl_DString ds; Tcl_DString srcString, dstString; int ret; Tcl_Obj *transPtr; - + transPtr = Tcl_FSGetTranslatedPath(NULL,srcPathPtr); - Tcl_UtfToExternalDString(NULL, - (transPtr != NULL ? Tcl_GetString(transPtr) : NULL), - -1, &srcString); + Tcl_UtfToExternalDString(NULL, + (transPtr != NULL ? TclGetString(transPtr) : NULL), + -1, &srcString); if (transPtr != NULL) { Tcl_DecrRefCount(transPtr); } transPtr = Tcl_FSGetTranslatedPath(NULL,destPathPtr); - Tcl_UtfToExternalDString(NULL, - (transPtr != NULL ? Tcl_GetString(transPtr) : NULL), - -1, &dstString); + Tcl_UtfToExternalDString(NULL, + (transPtr != NULL ? TclGetString(transPtr) : NULL), + -1, &dstString); if (transPtr != NULL) { Tcl_DecrRefCount(transPtr); } - ret = TraverseUnixTree(TraversalCopy, &srcString, &dstString, &ds); + ret = TraverseUnixTree(TraversalCopy, &srcString, &dstString, &ds, 0); Tcl_DStringFree(&srcString); Tcl_DStringFree(&dstString); @@ -703,7 +795,6 @@ TclpObjCopyDirectory(srcPathPtr, destPathPtr, errorPtr) } return ret; } - /* *--------------------------------------------------------------------------- @@ -713,38 +804,38 @@ TclpObjCopyDirectory(srcPathPtr, destPathPtr, errorPtr) * Removes directory (and its contents, if the recursive flag is set). * * Results: - * If the directory was successfully removed, returns TCL_OK. - * Otherwise the return value is TCL_ERROR, errno is set to indicate - * the error, and the pathname of the file that caused the error - * is stored in errorPtr. Some possible values for errno are: + * If the directory was successfully removed, returns TCL_OK. Otherwise + * the return value is TCL_ERROR, errno is set to indicate the error, and + * the pathname of the file that caused the error is stored in errorPtr. + * Some possible values for errno are: * - * EACCES: path directory can't be read and/or written. + * EACCES: path directory can't be read and/or written. * EEXIST: path is a non-empty directory. * EINVAL: path is a root directory. * ENOENT: path doesn't exist or is "". * ENOTDIR: path is not a directory. * * Side effects: - * Directory removed. If an error occurs, the error will be returned + * Directory removed. If an error occurs, the error will be returned * immediately, and remaining files will not be deleted. * *--------------------------------------------------------------------------- */ - -int -TclpObjRemoveDirectory(pathPtr, recursive, errorPtr) - Tcl_Obj *pathPtr; - int recursive; - Tcl_Obj **errorPtr; + +int +TclpObjRemoveDirectory( + Tcl_Obj *pathPtr, + int recursive, + Tcl_Obj **errorPtr) { Tcl_DString ds; Tcl_DString pathString; int ret; Tcl_Obj *transPtr = Tcl_FSGetTranslatedPath(NULL, pathPtr); - Tcl_UtfToExternalDString(NULL, - (transPtr != NULL ? Tcl_GetString(transPtr) : NULL), - -1, &pathString); + Tcl_UtfToExternalDString(NULL, + (transPtr != NULL ? TclGetString(transPtr) : NULL), + -1, &pathString); if (transPtr != NULL) { Tcl_DecrRefCount(transPtr); } @@ -760,35 +851,38 @@ TclpObjRemoveDirectory(pathPtr, recursive, errorPtr) } static int -DoRemoveDirectory(pathPtr, recursive, errorPtr) - Tcl_DString *pathPtr; /* Pathname of directory to be removed +DoRemoveDirectory( + Tcl_DString *pathPtr, /* Pathname of directory to be removed * (native). */ - int recursive; /* If non-zero, removes directories that - * are nonempty. Otherwise, will only remove - * empty directories. */ - Tcl_DString *errorPtr; /* If non-NULL, uninitialized or free - * DString filled with UTF-8 name of file - * causing error. */ + int recursive, /* If non-zero, removes directories that are + * nonempty. Otherwise, will only remove empty + * directories. */ + Tcl_DString *errorPtr) /* If non-NULL, uninitialized or free DString + * filled with UTF-8 name of file causing + * error. */ { - CONST char *path; + const char *path; mode_t oldPerm = 0; int result; - + path = Tcl_DStringValue(pathPtr); - + if (recursive != 0) { - /* We should try to change permissions so this can be deleted */ + /* + * We should try to change permissions so this can be deleted. + */ + Tcl_StatBuf statBuf; int newPerm; if (TclOSstat(path, &statBuf) == 0) { oldPerm = (mode_t) (statBuf.st_mode & 0x00007FFF); } - + newPerm = oldPerm | (64+128+256); chmod(path, (mode_t) newPerm); } - + if (rmdir(path) == 0) { /* INTL: Native. */ return TCL_OK; } @@ -803,63 +897,80 @@ DoRemoveDirectory(pathPtr, recursive, errorPtr) } result = TCL_ERROR; } - + /* - * The directory is nonempty, but the recursive flag has been - * specified, so we recursively remove all the files in the directory. + * The directory is nonempty, but the recursive flag has been specified, + * so we recursively remove all the files in the directory. */ if (result == TCL_OK) { - result = TraverseUnixTree(TraversalDelete, pathPtr, NULL, errorPtr); + result = TraverseUnixTree(TraversalDelete, pathPtr, NULL, errorPtr, 1); } - + if ((result != TCL_OK) && (recursive != 0)) { - /* Try to restore permissions */ - chmod(path, oldPerm); + /* + * Try to restore permissions. + */ + + chmod(path, oldPerm); } return result; } - + /* *--------------------------------------------------------------------------- * * TraverseUnixTree -- * - * Traverse directory tree specified by sourcePtr, calling the function - * traverseProc for each file and directory encountered. If destPtr - * is non-null, each of name in the sourcePtr directory is appended to - * the directory specified by destPtr and passed as the second argument - * to traverseProc() . + * Traverse directory tree specified by sourcePtr, calling the function + * traverseProc for each file and directory encountered. If destPtr is + * non-null, each of name in the sourcePtr directory is appended to the + * directory specified by destPtr and passed as the second argument to + * traverseProc(). * * Results: - * Standard Tcl result. + * Standard Tcl result. * * Side effects: - * None caused by TraverseUnixTree, however the user specified - * traverseProc() may change state. If an error occurs, the error will - * be returned immediately, and remaining files will not be processed. + * None caused by TraverseUnixTree, however the user specified + * traverseProc() may change state. If an error occurs, the error will be + * returned immediately, and remaining files will not be processed. * *--------------------------------------------------------------------------- */ -static int -TraverseUnixTree(traverseProc, sourcePtr, targetPtr, errorPtr) - TraversalProc *traverseProc;/* Function to call for every file and +static int +TraverseUnixTree( + TraversalProc *traverseProc,/* Function to call for every file and * directory in source hierarchy. */ - Tcl_DString *sourcePtr; /* Pathname of source directory to be + Tcl_DString *sourcePtr, /* Pathname of source directory to be * traversed (native). */ - Tcl_DString *targetPtr; /* Pathname of directory to traverse in + Tcl_DString *targetPtr, /* Pathname of directory to traverse in * parallel with source directory (native). */ - Tcl_DString *errorPtr; /* If non-NULL, uninitialized or free - * DString filled with UTF-8 name of file - * causing error. */ + Tcl_DString *errorPtr, /* If non-NULL, uninitialized or free DString + * filled with UTF-8 name of file causing + * error. */ + int doRewind) /* Flag indicating that to ensure complete + * traversal of source hierarchy, the readdir + * loop should be rewound whenever + * traverseProc has returned TCL_OK; this is + * required when traverseProc modifies the + * source hierarchy, e.g. by deleting + * files. */ { Tcl_StatBuf statBuf; - CONST char *source, *errfile; + const char *source, *errfile; int result, sourceLen; int targetLen; +#ifndef HAVE_FTS + int numProcessed = 0; Tcl_DirEntry *dirEntPtr; DIR *dirPtr; +#else + const char *paths[2] = {NULL, NULL}; + FTS *fts = NULL; + FTSENT *ent; +#endif errfile = NULL; result = TCL_OK; @@ -875,30 +986,31 @@ TraverseUnixTree(traverseProc, sourcePtr, targetPtr, errorPtr) * Process the regular file */ - return (*traverseProc)(sourcePtr, targetPtr, &statBuf, DOTREE_F, + return traverseProc(sourcePtr, targetPtr, &statBuf, DOTREE_F, errorPtr); } +#ifndef HAVE_FTS dirPtr = opendir(source); /* INTL: Native. */ if (dirPtr == NULL) { - /* + /* * Can't read directory */ errfile = source; goto end; } - result = (*traverseProc)(sourcePtr, targetPtr, &statBuf, DOTREE_PRED, + result = traverseProc(sourcePtr, targetPtr, &statBuf, DOTREE_PRED, errorPtr); if (result != TCL_OK) { closedir(dirPtr); return result; } - - Tcl_DStringAppend(sourcePtr, "/", 1); - sourceLen = Tcl_DStringLength(sourcePtr); + + TclDStringAppendLiteral(sourcePtr, "/"); + sourceLen = Tcl_DStringLength(sourcePtr); if (targetPtr != NULL) { - Tcl_DStringAppend(targetPtr, "/", 1); + TclDStringAppendLiteral(targetPtr, "/"); targetLen = Tcl_DStringLength(targetPtr); } @@ -909,7 +1021,7 @@ TraverseUnixTree(traverseProc, sourcePtr, targetPtr, errorPtr) continue; } - /* + /* * Append name after slash, and recurse on the file. */ @@ -918,11 +1030,13 @@ TraverseUnixTree(traverseProc, sourcePtr, targetPtr, errorPtr) Tcl_DStringAppend(targetPtr, dirEntPtr->d_name, -1); } result = TraverseUnixTree(traverseProc, sourcePtr, targetPtr, - errorPtr); + errorPtr, doRewind); if (result != TCL_OK) { break; + } else { + numProcessed++; } - + /* * Remove name after slash. */ @@ -931,9 +1045,19 @@ TraverseUnixTree(traverseProc, sourcePtr, targetPtr, errorPtr) if (targetPtr != NULL) { Tcl_DStringSetLength(targetPtr, targetLen); } + if (doRewind && (numProcessed > MAX_READDIR_UNLINK_THRESHOLD)) { + /* + * Call rewinddir if we've called unlink or rmdir so many times + * (since the opendir or the previous rewinddir), to avoid a + * NULL-return that may a symptom of a buggy readdir. + */ + + rewinddir(dirPtr); + numProcessed = 0; + } } closedir(dirPtr); - + /* * Strip off the trailing slash we added */ @@ -945,21 +1069,89 @@ TraverseUnixTree(traverseProc, sourcePtr, targetPtr, errorPtr) if (result == TCL_OK) { /* - * Call traverseProc() on a directory after visiting all the - * files in that directory. + * Call traverseProc() on a directory after visiting all the files in + * that directory. */ - result = (*traverseProc)(sourcePtr, targetPtr, &statBuf, DOTREE_POSTD, + result = traverseProc(sourcePtr, targetPtr, &statBuf, DOTREE_POSTD, errorPtr); } - end: +#else /* HAVE_FTS */ + paths[0] = source; + fts = fts_open((char **) paths, FTS_PHYSICAL | FTS_NOCHDIR | + (noFtsStat || doRewind ? FTS_NOSTAT : 0), NULL); + if (fts == NULL) { + errfile = source; + goto end; + } + + sourceLen = Tcl_DStringLength(sourcePtr); + if (targetPtr != NULL) { + targetLen = Tcl_DStringLength(targetPtr); + } + + while ((ent = fts_read(fts)) != NULL) { + unsigned short info = ent->fts_info; + char *path = ent->fts_path + sourceLen; + unsigned short pathlen = ent->fts_pathlen - sourceLen; + int type; + Tcl_StatBuf *statBufPtr = NULL; + + if (info == FTS_DNR || info == FTS_ERR || info == FTS_NS) { + errfile = ent->fts_path; + break; + } + Tcl_DStringAppend(sourcePtr, path, pathlen); + if (targetPtr != NULL) { + Tcl_DStringAppend(targetPtr, path, pathlen); + } + switch (info) { + case FTS_D: + type = DOTREE_PRED; + break; + case FTS_DP: + type = DOTREE_POSTD; + break; + default: + type = DOTREE_F; + break; + } + if (!doRewind) { /* no need to stat for delete */ + if (noFtsStat) { + statBufPtr = &statBuf; + if (TclOSlstat(ent->fts_path, statBufPtr) != 0) { + errfile = ent->fts_path; + break; + } + } else { + statBufPtr = (Tcl_StatBuf *) ent->fts_statp; + } + } + result = traverseProc(sourcePtr, targetPtr, statBufPtr, type, + errorPtr); + if (result != TCL_OK) { + break; + } + Tcl_DStringSetLength(sourcePtr, sourceLen); + if (targetPtr != NULL) { + Tcl_DStringSetLength(targetPtr, targetLen); + } + } +#endif /* !HAVE_FTS */ + + end: if (errfile != NULL) { if (errorPtr != NULL) { Tcl_ExternalToUtfDString(NULL, errfile, -1, errorPtr); } result = TCL_ERROR; } - +#ifdef HAVE_FTS + if (fts != NULL) { + fts_close(fts); + } +#endif + return result; } @@ -968,56 +1160,55 @@ TraverseUnixTree(traverseProc, sourcePtr, targetPtr, errorPtr) * * TraversalCopy * - * Called from TraverseUnixTree in order to execute a recursive copy - * of a directory. + * Called from TraverseUnixTree in order to execute a recursive copy of a + * directory. * * Results: - * Standard Tcl result. + * Standard Tcl result. * * Side effects: - * The file or directory src may be copied to dst, depending on - * the value of type. - * + * The file or directory src may be copied to dst, depending on the value + * of type. + * *---------------------------------------------------------------------- */ -static int -TraversalCopy(srcPtr, dstPtr, statBufPtr, type, errorPtr) - Tcl_DString *srcPtr; /* Source pathname to copy (native). */ - Tcl_DString *dstPtr; /* Destination pathname of copy (native). */ - CONST Tcl_StatBuf *statBufPtr; +static int +TraversalCopy( + Tcl_DString *srcPtr, /* Source pathname to copy (native). */ + Tcl_DString *dstPtr, /* Destination pathname of copy (native). */ + const Tcl_StatBuf *statBufPtr, /* Stat info for file specified by srcPtr. */ - int type; /* Reason for call - see TraverseUnixTree(). */ - Tcl_DString *errorPtr; /* If non-NULL, uninitialized or free - * DString filled with UTF-8 name of file - * causing error. */ + int type, /* Reason for call - see TraverseUnixTree(). */ + Tcl_DString *errorPtr) /* If non-NULL, uninitialized or free DString + * filled with UTF-8 name of file causing + * error. */ { switch (type) { - case DOTREE_F: - if (DoCopyFile(Tcl_DStringValue(srcPtr), - Tcl_DStringValue(dstPtr)) == TCL_OK) { - return TCL_OK; - } - break; - - case DOTREE_PRED: - if (DoCreateDirectory(Tcl_DStringValue(dstPtr)) == TCL_OK) { - return TCL_OK; - } - break; + case DOTREE_F: + if (DoCopyFile(Tcl_DStringValue(srcPtr), Tcl_DStringValue(dstPtr), + statBufPtr) == TCL_OK) { + return TCL_OK; + } + break; - case DOTREE_POSTD: - if (CopyFileAtts(Tcl_DStringValue(srcPtr), - Tcl_DStringValue(dstPtr), statBufPtr) == TCL_OK) { - return TCL_OK; - } - break; + case DOTREE_PRED: + if (DoCreateDirectory(Tcl_DStringValue(dstPtr)) == TCL_OK) { + return TCL_OK; + } + break; + case DOTREE_POSTD: + if (CopyFileAtts(Tcl_DStringValue(srcPtr), + Tcl_DStringValue(dstPtr), statBufPtr) == TCL_OK) { + return TCL_OK; + } + break; } /* - * There shouldn't be a problem with src, because we already checked it - * to get here. + * There shouldn't be a problem with src, because we already checked it to + * get here. */ if (errorPtr != NULL) { @@ -1032,47 +1223,44 @@ TraversalCopy(srcPtr, dstPtr, statBufPtr, type, errorPtr) * * TraversalDelete -- * - * Called by procedure TraverseUnixTree for every file and directory - * that it encounters in a directory hierarchy. This procedure unlinks - * files, and removes directories after all the containing files - * have been processed. + * Called by procedure TraverseUnixTree for every file and directory that + * it encounters in a directory hierarchy. This procedure unlinks files, + * and removes directories after all the containing files have been + * processed. * * Results: - * Standard Tcl result. + * Standard Tcl result. * * Side effects: - * Files or directory specified by src will be deleted. + * Files or directory specified by src will be deleted. * *---------------------------------------------------------------------- */ static int -TraversalDelete(srcPtr, ignore, statBufPtr, type, errorPtr) - Tcl_DString *srcPtr; /* Source pathname (native). */ - Tcl_DString *ignore; /* Destination pathname (not used). */ - CONST Tcl_StatBuf *statBufPtr; +TraversalDelete( + Tcl_DString *srcPtr, /* Source pathname (native). */ + Tcl_DString *ignore, /* Destination pathname (not used). */ + const Tcl_StatBuf *statBufPtr, /* Stat info for file specified by srcPtr. */ - int type; /* Reason for call - see TraverseUnixTree(). */ - Tcl_DString *errorPtr; /* If non-NULL, uninitialized or free - * DString filled with UTF-8 name of file - * causing error. */ + int type, /* Reason for call - see TraverseUnixTree(). */ + Tcl_DString *errorPtr) /* If non-NULL, uninitialized or free DString + * filled with UTF-8 name of file causing + * error. */ { switch (type) { - case DOTREE_F: { - if (TclpDeleteFile(Tcl_DStringValue(srcPtr)) == 0) { - return TCL_OK; - } - break; + case DOTREE_F: + if (TclpDeleteFile(Tcl_DStringValue(srcPtr)) == 0) { + return TCL_OK; } - case DOTREE_PRED: { + break; + case DOTREE_PRED: + return TCL_OK; + case DOTREE_POSTD: + if (DoRemoveDirectory(srcPtr, 0, NULL) == 0) { return TCL_OK; } - case DOTREE_POSTD: { - if (DoRemoveDirectory(srcPtr, 0, NULL) == 0) { - return TCL_OK; - } - break; - } + break; } if (errorPtr != NULL) { Tcl_ExternalToUtfDString(NULL, Tcl_DStringValue(srcPtr), @@ -1086,42 +1274,40 @@ TraversalDelete(srcPtr, ignore, statBufPtr, type, errorPtr) * * CopyFileAtts -- * - * Copy the file attributes such as owner, group, permissions, - * and modification date from one file to another. + * Copy the file attributes such as owner, group, permissions, and + * modification date from one file to another. * * Results: * Standard Tcl result. * * Side effects: - * user id, group id, permission bits, last modification time, and - * last access time are updated in the new file to reflect the - * old file. + * User id, group id, permission bits, last modification time, and last + * access time are updated in the new file to reflect the old file. * *--------------------------------------------------------------------------- */ static int -CopyFileAtts(src, dst, statBufPtr) - CONST char *src; /* Path name of source file (native). */ - CONST char *dst; /* Path name of target file (native). */ - CONST Tcl_StatBuf *statBufPtr; +CopyFileAtts( + const char *src, /* Path name of source file (native). */ + const char *dst, /* Path name of target file (native). */ + const Tcl_StatBuf *statBufPtr) /* Stat info for source file */ { struct utimbuf tval; mode_t newMode; - + newMode = statBufPtr->st_mode & (S_ISUID | S_ISGID | S_IRWXU | S_IRWXG | S_IRWXO); - - /* - * Note that if you copy a setuid file that is owned by someone - * else, and you are not root, then the copy will be setuid to you. - * The most correct implementation would probably be to have the - * copy not setuid to anyone if the original file was owned by - * someone else, but this corner case isn't currently handled. - * It would require another lstat(), or getuid(). + + /* + * Note that if you copy a setuid file that is owned by someone else, and + * you are not root, then the copy will be setuid to you. The most correct + * implementation would probably be to have the copy not setuid to anyone + * if the original file was owned by someone else, but this corner case + * isn't currently handled. It would require another lstat(), or getuid(). */ - + if (chmod(dst, newMode)) { /* INTL: Native. */ newMode &= ~(S_ISUID | S_ISGID); if (chmod(dst, newMode)) { /* INTL: Native. */ @@ -1129,8 +1315,8 @@ CopyFileAtts(src, dst, statBufPtr) } } - tval.actime = statBufPtr->st_atime; - tval.modtime = statBufPtr->st_mtime; + tval.actime = statBufPtr->st_atime; + tval.modtime = statBufPtr->st_mtime; if (utime(dst, &tval)) { /* INTL: Native. */ return TCL_ERROR; @@ -1140,57 +1326,58 @@ CopyFileAtts(src, dst, statBufPtr) #endif return TCL_OK; } - /* *---------------------------------------------------------------------- * * GetGroupAttribute * - * Gets the group attribute of a file. + * Gets the group attribute of a file. * * Results: - * Standard TCL result. Returns a new Tcl_Obj in attributePtrPtr - * if there is no error. + * Standard TCL result. Returns a new Tcl_Obj in attributePtrPtr if there + * is no error. * * Side effects: - * A new object is allocated. - * + * A new object is allocated. + * *---------------------------------------------------------------------- */ static int -GetGroupAttribute(interp, objIndex, fileName, attributePtrPtr) - Tcl_Interp *interp; /* The interp we are using for errors. */ - int objIndex; /* The index of the attribute. */ - Tcl_Obj *fileName; /* The name of the file (UTF-8). */ - Tcl_Obj **attributePtrPtr; /* A pointer to return the object with. */ +GetGroupAttribute( + Tcl_Interp *interp, /* The interp we are using for errors. */ + int objIndex, /* The index of the attribute. */ + Tcl_Obj *fileName, /* The name of the file (UTF-8). */ + Tcl_Obj **attributePtrPtr) /* A pointer to return the object with. */ { Tcl_StatBuf statBuf; struct group *groupPtr; int result; result = TclpObjStat(fileName, &statBuf); - + if (result != 0) { - Tcl_AppendResult(interp, "could not read \"", - Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); + if (interp != NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not read \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); + } return TCL_ERROR; } - groupPtr = getgrgid(statBuf.st_gid); /* INTL: Native. */ + groupPtr = TclpGetGrGid(statBuf.st_gid); + if (groupPtr == NULL) { *attributePtrPtr = Tcl_NewIntObj((int) statBuf.st_gid); } else { Tcl_DString ds; - CONST char *utf; + const char *utf; - utf = Tcl_ExternalToUtfDString(NULL, groupPtr->gr_name, -1, &ds); + utf = Tcl_ExternalToUtfDString(NULL, groupPtr->gr_name, -1, &ds); *attributePtrPtr = Tcl_NewStringObj(utf, -1); Tcl_DStringFree(&ds); } - endgrent(); return TCL_OK; } @@ -1199,50 +1386,50 @@ GetGroupAttribute(interp, objIndex, fileName, attributePtrPtr) * * GetOwnerAttribute * - * Gets the owner attribute of a file. + * Gets the owner attribute of a file. * * Results: - * Standard TCL result. Returns a new Tcl_Obj in attributePtrPtr - * if there is no error. + * Standard TCL result. Returns a new Tcl_Obj in attributePtrPtr if there + * is no error. * * Side effects: - * A new object is allocated. - * + * A new object is allocated. + * *---------------------------------------------------------------------- */ static int -GetOwnerAttribute(interp, objIndex, fileName, attributePtrPtr) - Tcl_Interp *interp; /* The interp we are using for errors. */ - int objIndex; /* The index of the attribute. */ - Tcl_Obj *fileName; /* The name of the file (UTF-8). */ - Tcl_Obj **attributePtrPtr; /* A pointer to return the object with. */ +GetOwnerAttribute( + Tcl_Interp *interp, /* The interp we are using for errors. */ + int objIndex, /* The index of the attribute. */ + Tcl_Obj *fileName, /* The name of the file (UTF-8). */ + Tcl_Obj **attributePtrPtr) /* A pointer to return the object with. */ { Tcl_StatBuf statBuf; struct passwd *pwPtr; int result; result = TclpObjStat(fileName, &statBuf); - + if (result != 0) { - Tcl_AppendResult(interp, "could not read \"", - Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); + if (interp != NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not read \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); + } return TCL_ERROR; } - pwPtr = getpwuid(statBuf.st_uid); /* INTL: Native. */ + pwPtr = TclpGetPwUid(statBuf.st_uid); + if (pwPtr == NULL) { *attributePtrPtr = Tcl_NewIntObj((int) statBuf.st_uid); } else { Tcl_DString ds; - CONST char *utf; - utf = Tcl_ExternalToUtfDString(NULL, pwPtr->pw_name, -1, &ds); - *attributePtrPtr = Tcl_NewStringObj(utf, Tcl_DStringLength(&ds)); - Tcl_DStringFree(&ds); + (void) Tcl_ExternalToUtfDString(NULL, pwPtr->pw_name, -1, &ds); + *attributePtrPtr = TclDStringToObj(&ds); } - endpwent(); return TCL_OK; } @@ -1251,42 +1438,41 @@ GetOwnerAttribute(interp, objIndex, fileName, attributePtrPtr) * * GetPermissionsAttribute * - * Gets the group attribute of a file. + * Gets the group attribute of a file. * * Results: - * Standard TCL result. Returns a new Tcl_Obj in attributePtrPtr - * if there is no error. The object will have ref count 0. + * Standard TCL result. Returns a new Tcl_Obj in attributePtrPtr if there + * is no error. The object will have ref count 0. * * Side effects: - * A new object is allocated. - * + * A new object is allocated. + * *---------------------------------------------------------------------- */ static int -GetPermissionsAttribute(interp, objIndex, fileName, attributePtrPtr) - Tcl_Interp *interp; /* The interp we are using for errors. */ - int objIndex; /* The index of the attribute. */ - Tcl_Obj *fileName; /* The name of the file (UTF-8). */ - Tcl_Obj **attributePtrPtr; /* A pointer to return the object with. */ +GetPermissionsAttribute( + Tcl_Interp *interp, /* The interp we are using for errors. */ + int objIndex, /* The index of the attribute. */ + Tcl_Obj *fileName, /* The name of the file (UTF-8). */ + Tcl_Obj **attributePtrPtr) /* A pointer to return the object with. */ { Tcl_StatBuf statBuf; - char returnString[7]; int result; result = TclpObjStat(fileName, &statBuf); - + if (result != 0) { - Tcl_AppendResult(interp, "could not read \"", - Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); + if (interp != NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not read \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); + } return TCL_ERROR; } - sprintf(returnString, "%0#5lo", (long) (statBuf.st_mode & 0x00007FFF)); - - *attributePtrPtr = Tcl_NewStringObj(returnString, -1); - + *attributePtrPtr = Tcl_ObjPrintf( + "%0#5lo", (long) (statBuf.st_mode & 0x00007FFF)); return TCL_OK; } @@ -1295,46 +1481,49 @@ GetPermissionsAttribute(interp, objIndex, fileName, attributePtrPtr) * * SetGroupAttribute -- * - * Sets the group of the file to the specified group. + * Sets the group of the file to the specified group. * * Results: - * Standard TCL result. + * Standard TCL result. * * Side effects: - * As above. - * + * As above. + * *--------------------------------------------------------------------------- */ static int -SetGroupAttribute(interp, objIndex, fileName, attributePtr) - Tcl_Interp *interp; /* The interp for error reporting. */ - int objIndex; /* The index of the attribute. */ - Tcl_Obj *fileName; /* The name of the file (UTF-8). */ - Tcl_Obj *attributePtr; /* New group for file. */ +SetGroupAttribute( + Tcl_Interp *interp, /* The interp for error reporting. */ + int objIndex, /* The index of the attribute. */ + Tcl_Obj *fileName, /* The name of the file (UTF-8). */ + Tcl_Obj *attributePtr) /* New group for file. */ { long gid; int result; - CONST char *native; + const char *native; if (Tcl_GetLongFromObj(NULL, attributePtr, &gid) != TCL_OK) { Tcl_DString ds; - struct group *groupPtr; - CONST char *string; + struct group *groupPtr = NULL; + const char *string; int length; string = Tcl_GetStringFromObj(attributePtr, &length); native = Tcl_UtfToExternalDString(NULL, string, length, &ds); - groupPtr = getgrnam(native); /* INTL: Native. */ + groupPtr = TclpGetGrNam(native); /* INTL: Native. */ Tcl_DStringFree(&ds); if (groupPtr == NULL) { - endgrent(); - Tcl_AppendResult(interp, "could not set group for file \"", - Tcl_GetString(fileName), "\": group \"", - string, "\" does not exist", - (char *) NULL); + if (interp != NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not set group for file \"%s\":" + " group \"%s\" does not exist", + TclGetString(fileName), string)); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "SETGRP", + "NO_GROUP", NULL); + } return TCL_ERROR; } gid = groupPtr->gr_gid; @@ -1343,13 +1532,14 @@ SetGroupAttribute(interp, objIndex, fileName, attributePtr) native = Tcl_FSGetNativePath(fileName); result = chown(native, (uid_t) -1, (gid_t) gid); /* INTL: Native. */ - endgrent(); if (result != 0) { - Tcl_AppendResult(interp, "could not set group for file \"", - Tcl_GetString(fileName), "\": ", Tcl_PosixError(interp), - (char *) NULL); + if (interp != NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not set group for file \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); + } return TCL_ERROR; - } + } return TCL_OK; } @@ -1358,57 +1548,63 @@ SetGroupAttribute(interp, objIndex, fileName, attributePtr) * * SetOwnerAttribute -- * - * Sets the owner of the file to the specified owner. + * Sets the owner of the file to the specified owner. * * Results: - * Standard TCL result. + * Standard TCL result. * * Side effects: - * As above. - * + * As above. + * *--------------------------------------------------------------------------- */ static int -SetOwnerAttribute(interp, objIndex, fileName, attributePtr) - Tcl_Interp *interp; /* The interp for error reporting. */ - int objIndex; /* The index of the attribute. */ - Tcl_Obj *fileName; /* The name of the file (UTF-8). */ - Tcl_Obj *attributePtr; /* New owner for file. */ +SetOwnerAttribute( + Tcl_Interp *interp, /* The interp for error reporting. */ + int objIndex, /* The index of the attribute. */ + Tcl_Obj *fileName, /* The name of the file (UTF-8). */ + Tcl_Obj *attributePtr) /* New owner for file. */ { long uid; int result; - CONST char *native; + const char *native; if (Tcl_GetLongFromObj(NULL, attributePtr, &uid) != TCL_OK) { Tcl_DString ds; - struct passwd *pwPtr; - CONST char *string; + struct passwd *pwPtr = NULL; + const char *string; int length; string = Tcl_GetStringFromObj(attributePtr, &length); native = Tcl_UtfToExternalDString(NULL, string, length, &ds); - pwPtr = getpwnam(native); /* INTL: Native. */ + pwPtr = TclpGetPwNam(native); /* INTL: Native. */ Tcl_DStringFree(&ds); if (pwPtr == NULL) { - Tcl_AppendResult(interp, "could not set owner for file \"", - Tcl_GetString(fileName), "\": user \"", - string, "\" does not exist", - (char *) NULL); + if (interp != NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not set owner for file \"%s\":" + " user \"%s\" does not exist", + TclGetString(fileName), string)); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "SETOWN", + "NO_USER", NULL); + } return TCL_ERROR; } uid = pwPtr->pw_uid; } native = Tcl_FSGetNativePath(fileName); - result = chown(native, (uid_t) uid, (gid_t) -1); /* INTL: Native. */ + result = chown(native, (uid_t) uid, (gid_t) -1); /* INTL: Native. */ if (result != 0) { - Tcl_AppendResult(interp, "could not set owner for file \"", - Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); + if (interp != NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not set owner for file \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); + } return TCL_ERROR; } return TCL_OK; @@ -1419,57 +1615,77 @@ SetOwnerAttribute(interp, objIndex, fileName, attributePtr) * * SetPermissionsAttribute * - * Sets the file to the given permission. + * Sets the file to the given permission. * * Results: - * Standard TCL result. + * Standard TCL result. * * Side effects: - * The permission of the file is changed. - * + * The permission of the file is changed. + * *--------------------------------------------------------------------------- */ static int -SetPermissionsAttribute(interp, objIndex, fileName, attributePtr) - Tcl_Interp *interp; /* The interp we are using for errors. */ - int objIndex; /* The index of the attribute. */ - Tcl_Obj *fileName; /* The name of the file (UTF-8). */ - Tcl_Obj *attributePtr; /* The attribute to set. */ +SetPermissionsAttribute( + Tcl_Interp *interp, /* The interp we are using for errors. */ + int objIndex, /* The index of the attribute. */ + Tcl_Obj *fileName, /* The name of the file (UTF-8). */ + Tcl_Obj *attributePtr) /* The attribute to set. */ { long mode; mode_t newMode; - int result; - CONST char *native; + int result = TCL_ERROR; + const char *native; + const char *modeStringPtr = TclGetString(attributePtr); + int scanned = TclParseAllWhiteSpace(modeStringPtr, -1); /* - * First try if the string is a number + * First supply support for octal number format */ - if (Tcl_GetLongFromObj(NULL, attributePtr, &mode) == TCL_OK) { - newMode = (mode_t) (mode & 0x00007FFF); + + if ((modeStringPtr[scanned] == '0') + && (modeStringPtr[scanned+1] >= '0') + && (modeStringPtr[scanned+1] <= '7')) { + /* Leading zero - attempt octal interpretation */ + Tcl_Obj *modeObj; + + TclNewLiteralStringObj(modeObj, "0o"); + Tcl_AppendToObj(modeObj, modeStringPtr+scanned+1, -1); + result = Tcl_GetLongFromObj(NULL, modeObj, &mode); + Tcl_DecrRefCount(modeObj); + } + if (result == TCL_OK + || Tcl_GetLongFromObj(NULL, attributePtr, &mode) == TCL_OK) { + newMode = (mode_t) (mode & 0x00007FFF); } else { Tcl_StatBuf buf; - char *modeStringPtr = Tcl_GetString(attributePtr); /* * Try the forms "rwxrwxrwx" and "ugo=rwx" * - * We get the current mode of the file, in order to allow for - * ug+-=rwx style chmod strings. + * We get the current mode of the file, in order to allow for ug+-=rwx + * style chmod strings. */ + result = TclpObjStat(fileName, &buf); if (result != 0) { - Tcl_AppendResult(interp, "could not read \"", - Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); + if (interp != NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not read \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); + } return TCL_ERROR; } newMode = (mode_t) (buf.st_mode & 0x00007FFF); if (GetModeFromPermString(NULL, modeStringPtr, &newMode) != TCL_OK) { - Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), - "unknown permission string format \"", - modeStringPtr, "\"", (char *) NULL); + if (interp != NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "unknown permission string format \"%s\"", + modeStringPtr)); + Tcl_SetErrorCode(interp, "TCL", "VALUE", "PERMISSION", NULL); + } return TCL_ERROR; } } @@ -1477,10 +1693,11 @@ SetPermissionsAttribute(interp, objIndex, fileName, attributePtr) native = Tcl_FSGetNativePath(fileName); result = chmod(native, newMode); /* INTL: Native. */ if (result != 0) { - Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), - "could not set permissions for file \"", - Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); + if (interp != NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not set permissions for file \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); + } return TCL_ERROR; } return TCL_OK; @@ -1503,10 +1720,11 @@ SetPermissionsAttribute(interp, objIndex, fileName, attributePtr) *--------------------------------------------------------------------------- */ -Tcl_Obj* +Tcl_Obj * TclpObjListVolumes(void) { - Tcl_Obj *resultPtr = Tcl_NewStringObj("/",1); + Tcl_Obj *resultPtr; + TclNewLiteralStringObj(resultPtr, "/"); Tcl_IncrRefCount(resultPtr); return resultPtr; @@ -1518,9 +1736,9 @@ TclpObjListVolumes(void) * * GetModeFromPermString -- * - * This procedure is invoked to process the "file permissions" - * Tcl command, to check for a "rwxrwxrwx" or "ugoa+-=rwxst" string. - * See the user documentation for details on what it does. + * This procedure is invoked to process the "file permissions" Tcl + * command, to check for a "rwxrwxrwx" or "ugoa+-=rwxst" string. See the + * user documentation for details on what it does. * * Results: * A standard Tcl result. @@ -1532,84 +1750,85 @@ TclpObjListVolumes(void) */ static int -GetModeFromPermString(interp, modeStringPtr, modePtr) - Tcl_Interp *interp; /* The interp we are using for errors. */ - char *modeStringPtr; /* Permissions string */ - mode_t *modePtr; /* pointer to the mode value */ +GetModeFromPermString( + Tcl_Interp *interp, /* The interp we are using for errors. */ + const char *modeStringPtr, /* Permissions string */ + mode_t *modePtr) /* pointer to the mode value */ { mode_t newMode; - mode_t oldMode; /* Storage for the value of the old mode - * (that is passed in), to allow for the - * chmod style manipulation */ + mode_t oldMode; /* Storage for the value of the old mode (that + * is passed in), to allow for the chmod style + * manipulation. */ int i,n, who, op, what, op_found, who_found; /* * We start off checking for an "rwxrwxrwx" style permissions string */ + if (strlen(modeStringPtr) != 9) { - goto chmodStyleCheck; + goto chmodStyleCheck; } newMode = 0; for (i = 0; i < 9; i++) { switch (*(modeStringPtr+i)) { - case 'r': - if ((i%3) != 0) { - goto chmodStyleCheck; - } - newMode |= (1<<(8-i)); - break; - case 'w': - if ((i%3) != 1) { - goto chmodStyleCheck; - } - newMode |= (1<<(8-i)); - break; - case 'x': - if ((i%3) != 2) { - goto chmodStyleCheck; - } - newMode |= (1<<(8-i)); - break; - case 's': - if (((i%3) != 2) || (i > 5)) { - goto chmodStyleCheck; - } - newMode |= (1<<(8-i)); - newMode |= (1<<(11-(i/3))); - break; - case 'S': - if (((i%3) != 2) || (i > 5)) { - goto chmodStyleCheck; - } - newMode |= (1<<(11-(i/3))); - break; - case 't': - if (i != 8) { - goto chmodStyleCheck; - } - newMode |= (1<<(8-i)); - newMode |= (1<<9); - break; - case 'T': - if (i != 8) { - goto chmodStyleCheck; - } - newMode |= (1<<9); - break; - case '-': - break; - default: - /* - * Oops, not what we thought it was, so go on - */ + case 'r': + if ((i%3) != 0) { + goto chmodStyleCheck; + } + newMode |= (1<<(8-i)); + break; + case 'w': + if ((i%3) != 1) { + goto chmodStyleCheck; + } + newMode |= (1<<(8-i)); + break; + case 'x': + if ((i%3) != 2) { + goto chmodStyleCheck; + } + newMode |= (1<<(8-i)); + break; + case 's': + if (((i%3) != 2) || (i > 5)) { + goto chmodStyleCheck; + } + newMode |= (1<<(8-i)); + newMode |= (1<<(11-(i/3))); + break; + case 'S': + if (((i%3) != 2) || (i > 5)) { + goto chmodStyleCheck; + } + newMode |= (1<<(11-(i/3))); + break; + case 't': + if (i != 8) { goto chmodStyleCheck; + } + newMode |= (1<<(8-i)); + newMode |= (1<<9); + break; + case 'T': + if (i != 8) { + goto chmodStyleCheck; + } + newMode |= (1<<9); + break; + case '-': + break; + default: + /* + * Oops, not what we thought it was, so go on + */ + goto chmodStyleCheck; } } *modePtr = newMode; return TCL_OK; - chmodStyleCheck: + chmodStyleCheck: /* * We now check for an "ugoa+-=rwxst" style permissions string */ @@ -1621,18 +1840,18 @@ GetModeFromPermString(interp, modeStringPtr, modePtr) if (!who_found) { /* who */ switch (*(modeStringPtr+n+i)) { - case 'u' : - who |= 0x9c0; - continue; - case 'g' : - who |= 0x438; - continue; - case 'o' : - who |= 0x207; - continue; - case 'a' : - who |= 0xfff; - continue; + case 'u': + who |= 0x9c0; + continue; + case 'g': + who |= 0x438; + continue; + case 'o': + who |= 0x207; + continue; + case 'a': + who |= 0xfff; + continue; } } who_found = 1; @@ -1642,43 +1861,43 @@ GetModeFromPermString(interp, modeStringPtr, modePtr) if (!op_found) { /* op */ switch (*(modeStringPtr+n+i)) { - case '+' : - op = 1; - op_found = 1; - continue; - case '-' : - op = 2; - op_found = 1; - continue; - case '=' : - op = 3; - op_found = 1; - continue; - default : - return TCL_ERROR; - } - } - /* what */ - switch (*(modeStringPtr+n+i)) { - case 'r' : - what |= 0x124; - continue; - case 'w' : - what |= 0x92; + case '+': + op = 1; + op_found = 1; continue; - case 'x' : - what |= 0x49; + case '-': + op = 2; + op_found = 1; continue; - case 's' : - what |= 0xc00; + case '=': + op = 3; + op_found = 1; continue; - case 't' : - what |= 0x200; - continue; - case ',' : - break; - default : + default: return TCL_ERROR; + } + } + /* what */ + switch (*(modeStringPtr+n+i)) { + case 'r': + what |= 0x124; + continue; + case 'w': + what |= 0x92; + continue; + case 'x': + what |= 0x49; + continue; + case 's': + what |= 0xc00; + continue; + case 't': + what |= 0x200; + continue; + case ',': + break; + default: + return TCL_ERROR; } if (*(modeStringPtr+n+i) == ',') { i++; @@ -1686,15 +1905,15 @@ GetModeFromPermString(interp, modeStringPtr, modePtr) } } switch (op) { - case 1 : - *modePtr = oldMode | (who & what); - continue; - case 2 : - *modePtr = oldMode & ~(who & what); - continue; - case 3 : - *modePtr = (oldMode & ~who) | (who & what); - continue; + case 1: + *modePtr = oldMode | (who & what); + continue; + case 2: + *modePtr = oldMode & ~(who & what); + continue; + case 3: + *modePtr = (oldMode & ~who) | (who & what); + continue; } } return TCL_OK; @@ -1705,257 +1924,594 @@ GetModeFromPermString(interp, modeStringPtr, modePtr) * * TclpObjNormalizePath -- * - * This function scans through a path specification and replaces - * it, in place, with a normalized version. A normalized version - * is one in which all symlinks in the path are replaced with - * their expanded form (except a symlink at the very end of the - * path). + * This function scans through a path specification and replaces it, in + * place, with a normalized version. A normalized version is one in which + * all symlinks in the path are replaced with their expanded form (except + * a symlink at the very end of the path). * * Results: - * The new 'nextCheckpoint' value, giving as far as we could - * understand in the path. + * The new 'nextCheckpoint' value, giving as far as we could understand + * in the path. * * Side effects: * The pathPtr string, is modified. * *--------------------------------------------------------------------------- */ + int -TclpObjNormalizePath(interp, pathPtr, nextCheckpoint) - Tcl_Interp *interp; - Tcl_Obj *pathPtr; - int nextCheckpoint; +TclpObjNormalizePath( + Tcl_Interp *interp, + Tcl_Obj *pathPtr, + int nextCheckpoint) { - char *currentPathEndPosition; + const char *currentPathEndPosition; int pathLen; char cur; - char *path = Tcl_GetStringFromObj(pathPtr, &pathLen); + const char *path = Tcl_GetStringFromObj(pathPtr, &pathLen); + Tcl_DString ds; + const char *nativePath; #ifndef NO_REALPATH char normPath[MAXPATHLEN]; - Tcl_DString ds; - CONST char *nativePath; #endif - /* - * We add '1' here because if nextCheckpoint is zero we know - * that '/' exists, and if it isn't zero, it must point at - * a directory separator which we also know exists. + + /* + * We add '1' here because if nextCheckpoint is zero we know that '/' + * exists, and if it isn't zero, it must point at a directory separator + * which we also know exists. */ + currentPathEndPosition = path + nextCheckpoint; if (*currentPathEndPosition == '/') { currentPathEndPosition++; } #ifndef NO_REALPATH - /* For speed, try to get the entire path in one go */ - if (nextCheckpoint == 0) { - char *lastDir = strrchr(currentPathEndPosition, '/'); + /* + * For speed, try to get the entire path in one go. + */ + + if (nextCheckpoint == 0 && haveRealpath) { + char *lastDir = strrchr(currentPathEndPosition, '/'); + if (lastDir != NULL) { - nativePath = Tcl_UtfToExternalDString(NULL, path, - lastDir - path, &ds); + nativePath = Tcl_UtfToExternalDString(NULL, path, + lastDir-path, &ds); if (Realpath(nativePath, normPath) != NULL) { - nextCheckpoint = lastDir - path; - goto wholeStringOk; + if (*nativePath != '/' && *normPath == '/') { + /* + * realpath has transformed a relative path into an + * absolute path, we do not know how to handle this. + */ + } else { + nextCheckpoint = lastDir - path; + goto wholeStringOk; + } } + Tcl_DStringFree(&ds); } } - /* Else do it the slow way */ + + /* + * Else do it the slow way. + */ #endif - + while (1) { cur = *currentPathEndPosition; if ((cur == '/') && (path != currentPathEndPosition)) { - /* Reached directory separator */ - Tcl_DString ds; - CONST char *nativePath; + /* + * Reached directory separator. + */ + int accessOk; - nativePath = Tcl_UtfToExternalDString(NULL, path, + nativePath = Tcl_UtfToExternalDString(NULL, path, currentPathEndPosition - path, &ds); accessOk = access(nativePath, F_OK); Tcl_DStringFree(&ds); + if (accessOk != 0) { - /* File doesn't exist */ + /* + * File doesn't exist. + */ + break; } - /* Update the acceptable point */ + + /* + * Update the acceptable point. + */ + nextCheckpoint = currentPathEndPosition - path; } else if (cur == 0) { - /* Reached end of string */ + /* + * Reached end of string. + */ + break; } currentPathEndPosition++; } - /* - * We should really now convert this to a canonical path. We do - * that with 'realpath' if we have it available. Otherwise we could - * step through every single path component, checking whether it is a - * symlink, but that would be a lot of work, and most modern OSes - * have 'realpath'. + + /* + * We should really now convert this to a canonical path. We do that with + * 'realpath' if we have it available. Otherwise we could step through + * every single path component, checking whether it is a symlink, but that + * would be a lot of work, and most modern OSes have 'realpath'. */ + #ifndef NO_REALPATH - /* - * If we only had '/foo' or '/' then we never increment nextCheckpoint - * and we don't need or want to go through 'Realpath'. Also, on some - * platforms, passing an empty string to 'Realpath' will give us the - * normalized pwd, which is not what we want at all! - */ - if (nextCheckpoint == 0) return 0; - - nativePath = Tcl_UtfToExternalDString(NULL, path, nextCheckpoint, &ds); - if (Realpath(nativePath, normPath) != NULL) { - int newNormLen; + if (haveRealpath) { + /* + * If we only had '/foo' or '/' then we never increment nextCheckpoint + * and we don't need or want to go through 'Realpath'. Also, on some + * platforms, passing an empty string to 'Realpath' will give us the + * normalized pwd, which is not what we want at all! + */ + + if (nextCheckpoint == 0) { + return 0; + } + + nativePath = Tcl_UtfToExternalDString(NULL, path,nextCheckpoint, &ds); + if (Realpath(nativePath, normPath) != NULL) { + int newNormLen; + wholeStringOk: - newNormLen = strlen(normPath); - if ((newNormLen == Tcl_DStringLength(&ds)) - && (strcmp(normPath, nativePath) == 0)) { - /* String is unchanged */ - Tcl_DStringFree(&ds); + newNormLen = strlen(normPath); + if ((newNormLen == Tcl_DStringLength(&ds)) + && (strcmp(normPath, nativePath) == 0)) { + /* + * String is unchanged. + */ + + Tcl_DStringFree(&ds); + + /* + * Enable this to have the native FS claim normalization of + * the whole path for existing files. That would permit the + * caller to declare normalization complete without calls to + * additional filesystems. Saving lots of calls is probably + * worth the extra access() time here. When no other FS's are + * registered though, things are less clear. + * + if (0 == access(normPath, F_OK)) { + return pathLen; + } + */ + + return nextCheckpoint; + } + /* - * Enable this to have the native FS claim normalization of - * the whole path for existing files. That would permit the - * caller to declare normalization complete without calls to - * additional filesystems. Saving lots of calls is probably - * worth the extra access() time here. When no other FS's - * are registered though, things are less clear. - * - if (0 == access(normPath, F_OK)) { - return pathLen; + * Free up the native path and put in its place the converted, + * normalized path. + */ + + Tcl_DStringFree(&ds); + Tcl_ExternalToUtfDString(NULL, normPath, (int) newNormLen, &ds); + + if (path[nextCheckpoint] != '\0') { + /* + * Not at end, append remaining path. + */ + + int normLen = Tcl_DStringLength(&ds); + + Tcl_DStringAppend(&ds, path + nextCheckpoint, + pathLen - nextCheckpoint); + + /* + * We recognise up to and including the directory separator. + */ + + nextCheckpoint = normLen + 1; + } else { + /* + * We recognise the whole string. + */ + + nextCheckpoint = Tcl_DStringLength(&ds); } + + /* + * Overwrite with the normalized path. */ - return nextCheckpoint; + + Tcl_SetStringObj(pathPtr, Tcl_DStringValue(&ds), + Tcl_DStringLength(&ds)); } - - /* - * Free up the native path and put in its place the - * converted, normalized path. - */ Tcl_DStringFree(&ds); - Tcl_ExternalToUtfDString(NULL, normPath, (int) newNormLen, &ds); - - if (path[nextCheckpoint] != '\0') { - /* not at end, append remaining path */ - int normLen = Tcl_DStringLength(&ds); - Tcl_DStringAppend(&ds, path + nextCheckpoint, - pathLen - nextCheckpoint); - /* - * We recognise up to and including the directory - * separator. - */ - nextCheckpoint = normLen + 1; - } else { - /* We recognise the whole string */ - nextCheckpoint = Tcl_DStringLength(&ds); - } - /* - * Overwrite with the normalized path. - */ - Tcl_SetStringObj(pathPtr, Tcl_DStringValue(&ds), - Tcl_DStringLength(&ds)); } - Tcl_DStringFree(&ds); #endif /* !NO_REALPATH */ return nextCheckpoint; } -#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) /* *---------------------------------------------------------------------- * - * GetReadOnlyAttribute + * TclpOpenTemporaryFile, TclUnixOpenTemporaryFile -- + * + * Creates a temporary file, possibly based on the supplied bits and + * pieces of template supplied in the first three arguments. If the + * fourth argument is non-NULL, it contains a Tcl_Obj to store the name + * of the temporary file in (and it is caller's responsibility to clean + * up). If the fourth argument is NULL, try to arrange for the temporary + * file to go away once it is no longer needed. + * + * Results: + * A read-write Tcl Channel open on the file for TclpOpenTemporaryFile, + * or a file descriptor (or -1 on failure) for TclUnixOpenTemporaryFile. + * + * Side effects: + * Accesses the filesystem. Will set the contents of the Tcl_Obj fourth + * argument (if that is non-NULL). + * + *---------------------------------------------------------------------- + */ + +Tcl_Channel +TclpOpenTemporaryFile( + Tcl_Obj *dirObj, + Tcl_Obj *basenameObj, + Tcl_Obj *extensionObj, + Tcl_Obj *resultingNameObj) +{ + int fd = TclUnixOpenTemporaryFile(dirObj, basenameObj, extensionObj, + resultingNameObj); + + if (fd == -1) { + return NULL; + } + return Tcl_MakeFileChannel(INT2PTR(fd), TCL_READABLE|TCL_WRITABLE); +} + +int +TclUnixOpenTemporaryFile( + Tcl_Obj *dirObj, + Tcl_Obj *basenameObj, + Tcl_Obj *extensionObj, + Tcl_Obj *resultingNameObj) +{ + Tcl_DString template, tmp; + const char *string; + int len, fd; + + /* + * We should also check against making more then TMP_MAX of these. + */ + + if (dirObj) { + string = Tcl_GetStringFromObj(dirObj, &len); + Tcl_UtfToExternalDString(NULL, string, len, &template); + } else { + Tcl_DStringInit(&template); + Tcl_DStringAppend(&template, DefaultTempDir(), -1); /* INTL: native */ + } + + TclDStringAppendLiteral(&template, "/"); + + if (basenameObj) { + string = Tcl_GetStringFromObj(basenameObj, &len); + Tcl_UtfToExternalDString(NULL, string, len, &tmp); + TclDStringAppendDString(&template, &tmp); + Tcl_DStringFree(&tmp); + } else { + TclDStringAppendLiteral(&template, "tcl"); + } + + TclDStringAppendLiteral(&template, "_XXXXXX"); + +#ifdef HAVE_MKSTEMPS + if (extensionObj) { + string = Tcl_GetStringFromObj(extensionObj, &len); + Tcl_UtfToExternalDString(NULL, string, len, &tmp); + TclDStringAppendDString(&template, &tmp); + fd = mkstemps(Tcl_DStringValue(&template), Tcl_DStringLength(&tmp)); + Tcl_DStringFree(&tmp); + } else +#endif + { + fd = mkstemp(Tcl_DStringValue(&template)); + } + + if (fd == -1) { + Tcl_DStringFree(&template); + return -1; + } + + if (resultingNameObj) { + Tcl_ExternalToUtfDString(NULL, Tcl_DStringValue(&template), + Tcl_DStringLength(&template), &tmp); + Tcl_SetStringObj(resultingNameObj, Tcl_DStringValue(&tmp), + Tcl_DStringLength(&tmp)); + Tcl_DStringFree(&tmp); + } else { + /* + * Try to delete the file immediately since we're not reporting the + * name to anyone. Note that we're *not* handling any errors from + * this! + */ + + unlink(Tcl_DStringValue(&template)); + errno = 0; + } + Tcl_DStringFree(&template); + + return fd; +} + +/* + * Helper that does *part* of what tempnam() does. + */ + +static const char * +DefaultTempDir(void) +{ + const char *dir; + struct stat buf; + + dir = getenv("TMPDIR"); + if (dir && dir[0] && stat(dir, &buf) == 0 && S_ISDIR(buf.st_mode) + && access(dir, W_OK) == 0) { + return dir; + } + +#ifdef P_tmpdir + dir = P_tmpdir; + if (stat(dir, &buf)==0 && S_ISDIR(buf.st_mode) && access(dir, W_OK)==0) { + return dir; + } +#endif + + /* + * Assume that the default location ("/tmp" if not overridden) is always + * an existing writable directory; we've no recovery mechanism if it + * isn't. + */ + + return TCL_TEMPORARY_FILE_DIRECTORY; +} + +#if defined(__CYGWIN__) + +static void +StatError( + Tcl_Interp *interp, /* The interp that has the error */ + Tcl_Obj *fileName) /* The name of the file which caused the + * error. */ +{ + TclWinConvertError(GetLastError()); + Tcl_SetObjResult(interp, Tcl_ObjPrintf("could not read \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); +} + +static WCHAR * +winPathFromObj( + Tcl_Obj *fileName) +{ + int size; + const char *native = Tcl_FSGetNativePath(fileName); + WCHAR *winPath; + + size = cygwin_conv_path(1, native, NULL, 0); + winPath = ckalloc(size); + cygwin_conv_path(1, native, winPath, size); + + return winPath; +} + +static const int attributeArray[] = { + 0x20, 0, 2, 0, 0, 1, 4}; + +/* + *---------------------------------------------------------------------- + * + * GetUnixFileAttributes * - * Gets the readonly attribute (user immutable flag) of a file. + * Gets the readonly attribute of a file. * * Results: - * Standard TCL result. Returns a new Tcl_Obj in attributePtrPtr - * if there is no error. The object will have ref count 0. + * Standard TCL result. Returns a new Tcl_Obj in attributePtrPtr if there + * is no error. The object will have ref count 0. * * Side effects: - * A new object is allocated. - * + * A new object is allocated. + * *---------------------------------------------------------------------- */ static int -GetReadOnlyAttribute(interp, objIndex, fileName, attributePtrPtr) - Tcl_Interp *interp; /* The interp we are using for errors. */ - int objIndex; /* The index of the attribute. */ - Tcl_Obj *fileName; /* The name of the file (UTF-8). */ - Tcl_Obj **attributePtrPtr; /* A pointer to return the object with. */ +GetUnixFileAttributes( + Tcl_Interp *interp, /* The interp we are using for errors. */ + int objIndex, /* The index of the attribute. */ + Tcl_Obj *fileName, /* The name of the file (UTF-8). */ + Tcl_Obj **attributePtrPtr) /* A pointer to return the object with. */ +{ + int fileAttributes; + WCHAR *winPath = winPathFromObj(fileName); + + fileAttributes = GetFileAttributesW(winPath); + ckfree(winPath); + + if (fileAttributes == -1) { + StatError(interp, fileName); + return TCL_ERROR; + } + + *attributePtrPtr = Tcl_NewIntObj((fileAttributes&attributeArray[objIndex])!=0); + + return TCL_OK; +} + +/* + *--------------------------------------------------------------------------- + * + * SetUnixFileAttributes + * + * Sets the readonly attribute of a file. + * + * Results: + * Standard TCL result. + * + * Side effects: + * The readonly attribute of the file is changed. + * + *--------------------------------------------------------------------------- + */ + +static int +SetUnixFileAttributes( + Tcl_Interp *interp, /* The interp we are using for errors. */ + int objIndex, /* The index of the attribute. */ + Tcl_Obj *fileName, /* The name of the file (UTF-8). */ + Tcl_Obj *attributePtr) /* The attribute to set. */ +{ + int yesNo, fileAttributes, old; + WCHAR *winPath; + + if (Tcl_GetBooleanFromObj(interp, attributePtr, &yesNo) != TCL_OK) { + return TCL_ERROR; + } + + winPath = winPathFromObj(fileName); + + fileAttributes = old = GetFileAttributesW(winPath); + + if (fileAttributes == -1) { + ckfree(winPath); + StatError(interp, fileName); + return TCL_ERROR; + } + + if (yesNo) { + fileAttributes |= attributeArray[objIndex]; + } else { + fileAttributes &= ~attributeArray[objIndex]; + } + + if ((fileAttributes != old) + && !SetFileAttributesW(winPath, fileAttributes)) { + ckfree(winPath); + StatError(interp, fileName); + return TCL_ERROR; + } + + ckfree(winPath); + return TCL_OK; +} +#elif defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) +/* + *---------------------------------------------------------------------- + * + * GetUnixFileAttributes + * + * Gets the readonly attribute (user immutable flag) of a file. + * + * Results: + * Standard TCL result. Returns a new Tcl_Obj in attributePtrPtr if there + * is no error. The object will have ref count 0. + * + * Side effects: + * A new object is allocated. + * + *---------------------------------------------------------------------- + */ + +static int +GetUnixFileAttributes( + Tcl_Interp *interp, /* The interp we are using for errors. */ + int objIndex, /* The index of the attribute. */ + Tcl_Obj *fileName, /* The name of the file (UTF-8). */ + Tcl_Obj **attributePtrPtr) /* A pointer to return the object with. */ { Tcl_StatBuf statBuf; int result; result = TclpObjStat(fileName, &statBuf); - + if (result != 0) { - Tcl_AppendResult(interp, "could not read \"", - Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); + if (interp != NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not read \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); + } return TCL_ERROR; } - *attributePtrPtr = Tcl_NewBooleanObj((statBuf.st_flags & UF_IMMUTABLE) != 0); - + *attributePtrPtr = Tcl_NewBooleanObj(statBuf.st_flags&UF_IMMUTABLE); + return TCL_OK; } /* *--------------------------------------------------------------------------- * - * SetReadOnlyAttribute + * SetUnixFileAttributes * - * Sets the readonly attribute (user immutable flag) of a file. + * Sets the readonly attribute (user immutable flag) of a file. * * Results: - * Standard TCL result. + * Standard TCL result. * * Side effects: - * The readonly attribute of the file is changed. - * + * The readonly attribute of the file is changed. + * *--------------------------------------------------------------------------- */ static int -SetReadOnlyAttribute(interp, objIndex, fileName, attributePtr) - Tcl_Interp *interp; /* The interp we are using for errors. */ - int objIndex; /* The index of the attribute. */ - Tcl_Obj *fileName; /* The name of the file (UTF-8). */ - Tcl_Obj *attributePtr; /* The attribute to set. */ +SetUnixFileAttributes( + Tcl_Interp *interp, /* The interp we are using for errors. */ + int objIndex, /* The index of the attribute. */ + Tcl_Obj *fileName, /* The name of the file (UTF-8). */ + Tcl_Obj *attributePtr) /* The attribute to set. */ { Tcl_StatBuf statBuf; - int result; - int readonly; - CONST char *native; + int result, readonly; + const char *native; if (Tcl_GetBooleanFromObj(interp, attributePtr, &readonly) != TCL_OK) { - return TCL_ERROR; + return TCL_ERROR; } result = TclpObjStat(fileName, &statBuf); - + if (result != 0) { - Tcl_AppendResult(interp, "could not read \"", - Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); + if (interp != NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not read \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); + } return TCL_ERROR; } if (readonly) { - statBuf.st_flags |= UF_IMMUTABLE; + statBuf.st_flags |= UF_IMMUTABLE; } else { - statBuf.st_flags &= ~UF_IMMUTABLE; + statBuf.st_flags &= ~UF_IMMUTABLE; } native = Tcl_FSGetNativePath(fileName); result = chflags(native, statBuf.st_flags); /* INTL: Native. */ if (result != 0) { - Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), - "could not set flags for file \"", - Tcl_GetString(fileName), "\": ", - Tcl_PosixError(interp), (char *) NULL); + if (interp != NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not set flags for file \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); + } return TCL_ERROR; } return TCL_OK; } #endif /* defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) */ + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ |