diff options
Diffstat (limited to 'unix/tclUnixFCmd.c')
| -rw-r--r-- | unix/tclUnixFCmd.c | 419 |
1 files changed, 306 insertions, 113 deletions
diff --git a/unix/tclUnixFCmd.c b/unix/tclUnixFCmd.c index a1ed50f..3b1b6ca 100644 --- a/unix/tclUnixFCmd.c +++ b/unix/tclUnixFCmd.c @@ -10,8 +10,6 @@ * 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 1.74 2009/11/25 14:25:57 stwo Exp $ - * * Portions of this code were derived from NetBSD source code which has the * following copyright notice: * @@ -25,11 +23,7 @@ * 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 + * 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. * @@ -53,7 +47,7 @@ #ifndef NO_FSTATFS #include <sys/statfs.h> #endif -#endif +#endif /* !HAVE_STRUCT_STAT_ST_BLKSIZE */ #ifdef HAVE_FTS #include <fts.h> #endif @@ -68,6 +62,16 @@ #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. */ @@ -87,10 +91,10 @@ static int SetPermissionsAttribute(Tcl_Interp *interp, Tcl_Obj *attributePtr); static int GetModeFromPermString(Tcl_Interp *interp, const char *modeStringPtr, mode_t *modePtr); -#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) -static int GetReadOnlyAttribute(Tcl_Interp *interp, int objIndex, +#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 SetReadOnlyAttribute(Tcl_Interp *interp, int objIndex, +static int SetUnixFileAttributes(Tcl_Interp *interp, int objIndex, Tcl_Obj *fileName, Tcl_Obj *attributePtr); #endif @@ -118,12 +122,22 @@ typedef int (TraversalProc)(Tcl_DString *srcPtr, Tcl_DString *dstPtr, extern TclFileAttrProcs tclpFileAttrProcs[]; extern const char *const tclpFileAttrStrings[]; -#else +#else /* !DJGPP */ enum { - UNIX_GROUP_ATTRIBUTE, UNIX_OWNER_ATTRIBUTE, UNIX_PERMISSIONS_ATTRIBUTE, -#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) +#if defined(__CYGWIN__) + UNIX_ARCHIVE_ATTRIBUTE, +#endif + UNIX_GROUP_ATTRIBUTE, +#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_RSRCLENGTH_ATTRIBUTE, @@ -133,10 +147,20 @@ enum { MODULE_SCOPE const char *const tclpFileAttrStrings[]; const char *const tclpFileAttrStrings[] = { - "-group", "-owner", "-permissions", -#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) +#if defined(__CYGWIN__) + "-archive", +#endif + "-group", +#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", #endif @@ -145,11 +169,20 @@ const char *const tclpFileAttrStrings[] = { 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) - {GetReadOnlyAttribute, SetReadOnlyAttribute}, +#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) || defined(__CYGWIN__) + {GetUnixFileAttributes, SetUnixFileAttributes}, +#endif +#if defined(__CYGWIN__) + {GetUnixFileAttributes, SetUnixFileAttributes}, #endif #ifdef MAC_OSX_TCL {TclMacOSXGetFileAttribute, TclMacOSXSetFileAttribute}, @@ -158,7 +191,7 @@ const TclFileAttrProcs tclpFileAttrProcs[] = { {TclMacOSXGetFileAttribute, TclMacOSXSetFileAttribute}, #endif }; -#endif +#endif /* DJGPP */ /* * This is the maximum number of consecutive readdir/unlink calls that can be @@ -189,11 +222,13 @@ 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); + 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); + 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, int doRewind); @@ -217,8 +252,8 @@ Realpath( return realpath(path, resolved); } #else -#define Realpath realpath -#endif +# define Realpath realpath +#endif /* PURIFY */ #ifndef NO_REALPATH #if defined(__APPLE__) && defined(TCL_THREADS) && \ @@ -231,16 +266,16 @@ Realpath( */ MODULE_SCOPE long tclMacOSXDarwinRelease; -#define haveRealpath (tclMacOSXDarwinRelease >= 7) +# define haveRealpath (tclMacOSXDarwinRelease >= 7) #else -#define haveRealpath 1 +# define haveRealpath 1 #endif #endif /* NO_REALPATH */ #ifdef HAVE_FTS -#ifdef HAVE_STRUCT_STAT64 +#if defined(HAVE_STRUCT_STAT64) && !defined(__APPLE__) /* fts doesn't do stat64 */ -#define noFtsStat 1 +# define noFtsStat 1 #elif defined(__APPLE__) && defined(__LP64__) && \ defined(MAC_OS_X_VERSION_MIN_REQUIRED) && \ MAC_OS_X_VERSION_MIN_REQUIRED < 1050 @@ -251,9 +286,9 @@ MODULE_SCOPE long tclMacOSXDarwinRelease; */ MODULE_SCOPE long tclMacOSXDarwinRelease; -#define noFtsStat (tclMacOSXDarwinRelease < 9) +# define noFtsStat (tclMacOSXDarwinRelease < 9) #else -#define noFtsStat 0 +# define noFtsStat 0 #endif #endif /* HAVE_FTS */ @@ -456,15 +491,16 @@ DoCopyFile( switch ((int) (statBufPtr->st_mode & S_IFMT)) { #ifndef DJGPP case S_IFLNK: { - char link[MAXPATHLEN]; + char linkBuf[MAXPATHLEN+1]; int length; - length = readlink(src, link, sizeof(link)); /* INTL: Native. */ + length = readlink(src, linkBuf, MAXPATHLEN); + /* INTL: Native. */ if (length == -1) { return TCL_ERROR; } - link[length] = '\0'; - if (symlink(link, dst) < 0) { /* INTL: Native. */ + linkBuf[length] = '\0'; + if (symlink(linkBuf, dst) < 0) { /* INTL: Native. */ return TCL_ERROR; } #ifdef MAC_OSX_TCL @@ -472,7 +508,7 @@ DoCopyFile( #endif break; } -#endif +#endif /* !DJGPP */ case S_IFBLK: case S_IFCHR: if (mknod(dst, statBufPtr->st_mode, /* INTL: Native. */ @@ -526,7 +562,7 @@ TclUnixCopyFile( #define BINMODE |O_BINARY #else #define BINMODE -#endif +#endif /* DJGPP */ #define DEFAULT_COPY_BLOCK_SIZE 4069 @@ -553,7 +589,7 @@ TclUnixCopyFile( { struct statfs fs; - if (fstatfs(srcFd, &fs, sizeof(fs), 0) == 0) { + if (fstatfs(srcFd, &fs) == 0) { blockSize = fs.f_bsize; } else { blockSize = DEFAULT_COPY_BLOCK_SIZE; @@ -635,9 +671,9 @@ TclpObjDeleteFile( int TclpDeleteFile( - const char *path) /* Pathname of file to be removed (native). */ + 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; @@ -970,11 +1006,11 @@ TraverseUnixTree( return result; } - Tcl_DStringAppend(sourcePtr, "/", 1); + TclDStringAppendLiteral(sourcePtr, "/"); sourceLen = Tcl_DStringLength(sourcePtr); if (targetPtr != NULL) { - Tcl_DStringAppend(targetPtr, "/", 1); + TclDStringAppendLiteral(targetPtr, "/"); targetLen = Tcl_DStringLength(targetPtr); } @@ -1042,7 +1078,7 @@ TraverseUnixTree( } #else /* HAVE_FTS */ paths[0] = source; - fts = fts_open((char**)paths, FTS_PHYSICAL | FTS_NOCHDIR | + fts = fts_open((char **) paths, FTS_PHYSICAL | FTS_NOCHDIR | (noFtsStat || doRewind ? FTS_NOSTAT : 0), NULL); if (fts == NULL) { errfile = source; @@ -1101,7 +1137,7 @@ TraverseUnixTree( Tcl_DStringSetLength(targetPtr, targetLen); } } -#endif /* HAVE_FTS */ +#endif /* !HAVE_FTS */ end: if (errfile != NULL) { @@ -1323,9 +1359,9 @@ GetGroupAttribute( if (result != 0) { if (interp != NULL) { - Tcl_AppendResult(interp, "could not read \"", - TclGetString(fileName), "\": ", - Tcl_PosixError(interp), NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not read \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); } return TCL_ERROR; } @@ -1377,9 +1413,9 @@ GetOwnerAttribute( if (result != 0) { if (interp != NULL) { - Tcl_AppendResult(interp, "could not read \"", - TclGetString(fileName), "\": ", - Tcl_PosixError(interp), NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not read \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); } return TCL_ERROR; } @@ -1390,11 +1426,9 @@ GetOwnerAttribute( *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); } return TCL_OK; } @@ -1430,9 +1464,9 @@ GetPermissionsAttribute( if (result != 0) { if (interp != NULL) { - Tcl_AppendResult(interp, "could not read \"", - TclGetString(fileName), "\": ", - Tcl_PosixError(interp), NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not read \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); } return TCL_ERROR; } @@ -1483,9 +1517,12 @@ SetGroupAttribute( if (groupPtr == NULL) { if (interp != NULL) { - Tcl_AppendResult(interp, "could not set group for file \"", - TclGetString(fileName), "\": group \"", string, - "\" does not exist", 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; } @@ -1497,9 +1534,9 @@ SetGroupAttribute( if (result != 0) { if (interp != NULL) { - Tcl_AppendResult(interp, "could not set group for file \"", - TclGetString(fileName), "\": ", Tcl_PosixError(interp), - NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not set group for file \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); } return TCL_ERROR; } @@ -1547,9 +1584,12 @@ SetOwnerAttribute( if (pwPtr == NULL) { if (interp != NULL) { - Tcl_AppendResult(interp, "could not set owner for file \"", - TclGetString(fileName), "\": user \"", string, - "\" does not exist", 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; } @@ -1561,9 +1601,9 @@ SetOwnerAttribute( if (result != 0) { if (interp != NULL) { - Tcl_AppendResult(interp, "could not set owner for file \"", - TclGetString(fileName), "\": ", Tcl_PosixError(interp), - NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not set owner for file \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); } return TCL_ERROR; } @@ -1631,9 +1671,9 @@ SetPermissionsAttribute( result = TclpObjStat(fileName, &buf); if (result != 0) { if (interp != NULL) { - Tcl_AppendResult(interp, "could not read \"", - TclGetString(fileName), "\": ", - Tcl_PosixError(interp), NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not read \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); } return TCL_ERROR; } @@ -1641,8 +1681,10 @@ SetPermissionsAttribute( if (GetModeFromPermString(NULL, modeStringPtr, &newMode) != TCL_OK) { if (interp != NULL) { - Tcl_AppendResult(interp, "unknown permission string format \"", - modeStringPtr, "\"", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "unknown permission string format \"%s\"", + modeStringPtr)); + Tcl_SetErrorCode(interp, "TCL", "VALUE", "PERMISSION", NULL); } return TCL_ERROR; } @@ -1652,9 +1694,9 @@ SetPermissionsAttribute( result = chmod(native, newMode); /* INTL: Native. */ if (result != 0) { if (interp != NULL) { - Tcl_AppendResult(interp, "could not set permissions for file \"", - TclGetString(fileName), "\": ", - Tcl_PosixError(interp), NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not set permissions for file \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); } return TCL_ERROR; } @@ -1907,10 +1949,10 @@ TclpObjNormalizePath( int pathLen; char cur; const char *path = Tcl_GetStringFromObj(pathPtr, &pathLen); -#ifndef NO_REALPATH - char normPath[MAXPATHLEN]; Tcl_DString ds; const char *nativePath; +#ifndef NO_REALPATH + char normPath[MAXPATHLEN]; #endif /* @@ -1962,8 +2004,6 @@ TclpObjNormalizePath( * Reached directory separator. */ - Tcl_DString ds; - const char *nativePath; int accessOk; nativePath = Tcl_UtfToExternalDString(NULL, path, @@ -2014,7 +2054,7 @@ TclpObjNormalizePath( return 0; } - nativePath = Tcl_UtfToExternalDString(NULL, path, nextCheckpoint, &ds); + nativePath = Tcl_UtfToExternalDString(NULL, path,nextCheckpoint, &ds); if (Realpath(nativePath, normPath) != NULL) { int newNormLen; @@ -2092,7 +2132,7 @@ TclpObjNormalizePath( /* *---------------------------------------------------------------------- * - * TclpOpenTemporaryFile -- + * TclpOpenTemporaryFile, TclUnixOpenTemporaryFile -- * * Creates a temporary file, possibly based on the supplied bits and * pieces of template supplied in the first three arguments. If the @@ -2102,7 +2142,12 @@ TclpObjNormalizePath( * file to go away once it is no longer needed. * * Results: - * A read-write Tcl Channel open on the file. + * 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). * *---------------------------------------------------------------------- */ @@ -2114,11 +2159,30 @@ TclpOpenTemporaryFile( Tcl_Obj *extensionObj, Tcl_Obj *resultingNameObj) { - Tcl_Channel chan; + 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); @@ -2127,24 +2191,24 @@ TclpOpenTemporaryFile( Tcl_DStringAppend(&template, DefaultTempDir(), -1); /* INTL: native */ } - Tcl_DStringAppend(&template, "/", -1); + TclDStringAppendLiteral(&template, "/"); if (basenameObj) { string = Tcl_GetStringFromObj(basenameObj, &len); Tcl_UtfToExternalDString(NULL, string, len, &tmp); - Tcl_DStringAppend(&template, Tcl_DStringValue(&tmp), -1); + TclDStringAppendDString(&template, &tmp); Tcl_DStringFree(&tmp); } else { - Tcl_DStringAppend(&template, "tcl", -1); + TclDStringAppendLiteral(&template, "tcl"); } - Tcl_DStringAppend(&template, "_XXXXXX", -1); + TclDStringAppendLiteral(&template, "_XXXXXX"); #ifdef HAVE_MKSTEMPS if (extensionObj) { string = Tcl_GetStringFromObj(extensionObj, &len); Tcl_UtfToExternalDString(NULL, string, len, &tmp); - Tcl_DStringAppend(&template, Tcl_DStringValue(&tmp), -1); + TclDStringAppendDString(&template, &tmp); fd = mkstemps(Tcl_DStringValue(&template), Tcl_DStringLength(&tmp)); Tcl_DStringFree(&tmp); } else @@ -2154,9 +2218,10 @@ TclpOpenTemporaryFile( } if (fd == -1) { - return NULL; + Tcl_DStringFree(&template); + return -1; } - chan = Tcl_MakeFileChannel(INT2PTR(fd), TCL_READABLE|TCL_WRITABLE); + if (resultingNameObj) { Tcl_ExternalToUtfDString(NULL, Tcl_DStringValue(&template), Tcl_DStringLength(&template), &tmp); @@ -2175,7 +2240,7 @@ TclpOpenTemporaryFile( } Tcl_DStringFree(&template); - return chan; + return fd; } /* @@ -2190,30 +2255,158 @@ DefaultTempDir(void) dir = getenv("TMPDIR"); if (dir && dir[0] && stat(dir, &buf) == 0 && S_ISDIR(buf.st_mode) - && access(dir, W_OK)) { + && 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)) { + if (stat(dir, &buf)==0 && S_ISDIR(buf.st_mode) && access(dir, W_OK)==0) { return dir; } #endif /* - * Assume that "/tmp" is always an existing writable directory; we've no - * recovery mechanism if it isn't. + * 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 "/tmp"; + return TCL_TEMPORARY_FILE_DIRECTORY; } -#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE) +#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 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. */ +{ + 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) /* *---------------------------------------------------------------------- * - * GetReadOnlyAttribute + * GetUnixFileAttributes * * Gets the readonly attribute (user immutable flag) of a file. * @@ -2228,7 +2421,7 @@ DefaultTempDir(void) */ static int -GetReadOnlyAttribute( +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). */ @@ -2241,14 +2434,14 @@ GetReadOnlyAttribute( if (result != 0) { if (interp != NULL) { - Tcl_AppendResult(interp, "could not read \"", - TclGetString(fileName), "\": ", Tcl_PosixError(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; } @@ -2256,7 +2449,7 @@ GetReadOnlyAttribute( /* *--------------------------------------------------------------------------- * - * SetReadOnlyAttribute + * SetUnixFileAttributes * * Sets the readonly attribute (user immutable flag) of a file. * @@ -2270,7 +2463,7 @@ GetReadOnlyAttribute( */ static int -SetReadOnlyAttribute( +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). */ @@ -2288,9 +2481,9 @@ SetReadOnlyAttribute( if (result != 0) { if (interp != NULL) { - Tcl_AppendResult(interp, "could not read \"", - TclGetString(fileName), "\": ", Tcl_PosixError(interp), - NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not read \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); } return TCL_ERROR; } @@ -2305,9 +2498,9 @@ SetReadOnlyAttribute( result = chflags(native, statBuf.st_flags); /* INTL: Native. */ if (result != 0) { if (interp != NULL) { - Tcl_AppendResult(interp, "could not set flags for file \"", - TclGetString(fileName), "\": ", Tcl_PosixError(interp), - NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "could not set flags for file \"%s\": %s", + TclGetString(fileName), Tcl_PosixError(interp))); } return TCL_ERROR; } |