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-rw-r--r--unix/tclUnixFile.c847
1 files changed, 596 insertions, 251 deletions
diff --git a/unix/tclUnixFile.c b/unix/tclUnixFile.c
index 4ba2e47..dc5af66 100644
--- a/unix/tclUnixFile.c
+++ b/unix/tclUnixFile.c
@@ -1,49 +1,42 @@
/*
* tclUnixFile.c --
*
- * This file contains wrappers around UNIX file handling functions.
- * These wrappers mask differences between Windows and UNIX.
+ * This file contains wrappers around UNIX file handling functions.
+ * These wrappers mask differences between Windows and UNIX.
*
* Copyright (c) 1995-1998 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.
*/
#include "tclInt.h"
-#include "tclPort.h"
-
-static int NativeMatchType(CONST char* nativeName, Tcl_GlobTypeData *types);
+#include "tclFileSystem.h"
+static int NativeMatchType(Tcl_Interp *interp, CONST char* nativeEntry,
+ CONST char* nativeName, Tcl_GlobTypeData *types);
/*
*---------------------------------------------------------------------------
*
* TclpFindExecutable --
*
- * This procedure computes the absolute path name of the current
+ * This function computes the absolute path name of the current
* application, given its argv[0] value. For Cygwin, argv[0] is
* ignored and the path is determined the same as under win32.
*
* Results:
- * A dirty UTF string that is the path to the executable. At this
- * point we may not know the system encoding. Convert the native
- * string value to UTF using the default encoding. The assumption
- * is that we will still be able to parse the path given the path
- * name contains ASCII string and '/' chars do not conflict with
- * other UTF chars.
+ * None.
*
* Side effects:
- * The variable tclNativeExecutableName gets filled in with the file
- * name for the application, if we figured it out. If we couldn't
- * figure it out, tclNativeExecutableName is set to NULL.
+ * The computed path name is stored as a ProcessGlobalValue.
*
*---------------------------------------------------------------------------
*/
-char *
-TclpFindExecutable(argv0)
- CONST char *argv0; /* The value of the application's argv[0]
+void
+TclpFindExecutable(
+ CONST char *argv0) /* The value of the application's argv[0]
* (native). */
{
int length;
@@ -53,13 +46,10 @@ TclpFindExecutable(argv0)
#else
CONST char *name, *p;
Tcl_StatBuf statBuf;
- Tcl_DString buffer, nameString;
+ Tcl_DString buffer, nameString, cwd, utfName;
+ Tcl_Encoding encoding;
#endif
- if (tclNativeExecutableName != NULL) {
- return tclNativeExecutableName;
- }
-
#ifdef __CYGWIN__
/* Make some symbols available without including <windows.h> */
@@ -90,8 +80,8 @@ TclpFindExecutable(argv0)
for (p = name; *p != '\0'; p++) {
if (*p == '/') {
/*
- * The name contains a slash, so use the name directly
- * without doing a path search.
+ * The name contains a slash, so use the name directly without
+ * doing a path search.
*/
goto gotName;
@@ -101,8 +91,8 @@ TclpFindExecutable(argv0)
p = getenv("PATH"); /* INTL: Native. */
if (p == NULL) {
/*
- * There's no PATH environment variable; use the default that
- * is used by sh.
+ * There's no PATH environment variable; use the default that is used
+ * by sh.
*/
p = ":/bin:/usr/bin";
@@ -115,13 +105,12 @@ TclpFindExecutable(argv0)
}
/*
- * Search through all the directories named in the PATH variable
- * to see if argv[0] is in one of them. If so, use that file
- * name.
+ * Search through all the directories named in the PATH variable to see if
+ * argv[0] is in one of them. If so, use that file name.
*/
while (1) {
- while (isspace(UCHAR(*p))) { /* INTL: BUG */
+ while (TclIsSpaceProc(*p)) {
p++;
}
name = p;
@@ -156,53 +145,64 @@ TclpFindExecutable(argv0)
p++;
}
}
+ TclSetObjNameOfExecutable(Tcl_NewObj(), NULL);
goto done;
/*
- * If the name starts with "/" then just copy it to tclExecutableName.
+ * If the name starts with "/" then just store it
*/
-gotName:
+ gotName:
#ifdef DJGPP
- if (name[1] == ':') {
+ if (name[1] == ':')
#else
- if (name[0] == '/') {
+ if (name[0] == '/')
#endif
- Tcl_ExternalToUtfDString(NULL, name, -1, &nameString);
- tclNativeExecutableName = (char *)
- ckalloc((unsigned) (Tcl_DStringLength(&nameString) + 1));
- strcpy(tclNativeExecutableName, Tcl_DStringValue(&nameString));
- Tcl_DStringFree(&nameString);
+ {
+ encoding = Tcl_GetEncoding(NULL, NULL);
+ Tcl_ExternalToUtfDString(encoding, name, -1, &utfName);
+ TclSetObjNameOfExecutable(
+ Tcl_NewStringObj(Tcl_DStringValue(&utfName), -1), encoding);
+ Tcl_DStringFree(&utfName);
goto done;
}
/*
- * The name is relative to the current working directory. First
- * strip off a leading "./", if any, then add the full path name of
- * the current working directory.
+ * The name is relative to the current working directory. First strip off
+ * a leading "./", if any, then add the full path name of the current
+ * working directory.
*/
if ((name[0] == '.') && (name[1] == '/')) {
name += 2;
}
- Tcl_ExternalToUtfDString(NULL, name, -1, &nameString);
+ Tcl_DStringInit(&nameString);
+ Tcl_DStringAppend(&nameString, name, -1);
+
+ TclpGetCwd(NULL, &cwd);
Tcl_DStringFree(&buffer);
- TclpGetCwd(NULL, &buffer);
-
- length = Tcl_DStringLength(&buffer) + Tcl_DStringLength(&nameString) + 2;
- tclNativeExecutableName = (char *) ckalloc((unsigned) length);
- strcpy(tclNativeExecutableName, Tcl_DStringValue(&buffer));
- tclNativeExecutableName[Tcl_DStringLength(&buffer)] = '/';
- strcpy(tclNativeExecutableName + Tcl_DStringLength(&buffer) + 1,
- Tcl_DStringValue(&nameString));
+ Tcl_UtfToExternalDString(NULL, Tcl_DStringValue(&cwd),
+ Tcl_DStringLength(&cwd), &buffer);
+ if (Tcl_DStringValue(&cwd)[Tcl_DStringLength(&cwd) -1] != '/') {
+ Tcl_DStringAppend(&buffer, "/", 1);
+ }
+ Tcl_DStringFree(&cwd);
+ Tcl_DStringAppend(&buffer, Tcl_DStringValue(&nameString),
+ Tcl_DStringLength(&nameString));
Tcl_DStringFree(&nameString);
-
-done:
+
+ encoding = Tcl_GetEncoding(NULL, NULL);
+ Tcl_ExternalToUtfDString(encoding, Tcl_DStringValue(&buffer), -1,
+ &utfName);
+ TclSetObjNameOfExecutable(
+ Tcl_NewStringObj(Tcl_DStringValue(&utfName), -1), encoding);
+ Tcl_DStringFree(&utfName);
+
+ done:
Tcl_DStringFree(&buffer);
#endif
- return tclNativeExecutableName;
}
/*
@@ -210,80 +210,101 @@ done:
*
* TclpMatchInDirectory --
*
- * This routine is used by the globbing code to search a
- * directory for all files which match a given pattern.
+ * This routine is used by the globbing code to search a directory for
+ * all files which match a given pattern.
*
- * Results:
- * The return value is a standard Tcl result indicating whether an
- * error occurred in globbing. Errors are left in interp, good
- * results are lappended to resultPtr (which must be a valid object)
+ * Results:
+ * The return value is a standard Tcl result indicating whether an error
+ * occurred in globbing. Errors are left in interp, good results are
+ * [lappend]ed to resultPtr (which must be a valid object).
*
* Side effects:
* None.
*
- *---------------------------------------------------------------------- */
+ *----------------------------------------------------------------------
+ */
int
-TclpMatchInDirectory(interp, resultPtr, pathPtr, pattern, types)
- Tcl_Interp *interp; /* Interpreter to receive errors. */
- Tcl_Obj *resultPtr; /* List object to lappend results. */
- Tcl_Obj *pathPtr; /* Contains path to directory to search. */
- CONST char *pattern; /* Pattern to match against. */
- Tcl_GlobTypeData *types; /* Object containing list of acceptable types.
+TclpMatchInDirectory(
+ Tcl_Interp *interp, /* Interpreter to receive errors. */
+ Tcl_Obj *resultPtr, /* List object to lappend results. */
+ Tcl_Obj *pathPtr, /* Contains path to directory to search. */
+ CONST char *pattern, /* Pattern to match against. */
+ Tcl_GlobTypeData *types) /* Object containing list of acceptable types.
* May be NULL. In particular the directory
* flag is very important. */
{
CONST char *native;
Tcl_Obj *fileNamePtr;
+ int matchResult = 0;
+
+ if (types != NULL && types->type == TCL_GLOB_TYPE_MOUNT) {
+ /*
+ * The native filesystem never adds mounts.
+ */
+
+ return TCL_OK;
+ }
fileNamePtr = Tcl_FSGetTranslatedPath(interp, pathPtr);
if (fileNamePtr == NULL) {
return TCL_ERROR;
}
-
+
if (pattern == NULL || (*pattern == '\0')) {
- /* Match a file directly */
+ /*
+ * Match a file directly.
+ */
+ Tcl_Obj *tailPtr;
+ CONST char *nativeTail;
+
native = (CONST char*) Tcl_FSGetNativePath(pathPtr);
- if (NativeMatchType(native, types)) {
+ tailPtr = TclPathPart(interp, pathPtr, TCL_PATH_TAIL);
+ nativeTail = (CONST char*) Tcl_FSGetNativePath(tailPtr);
+ matchResult = NativeMatchType(interp, native, nativeTail, types);
+ if (matchResult == 1) {
Tcl_ListObjAppendElement(interp, resultPtr, pathPtr);
}
+ Tcl_DecrRefCount(tailPtr);
Tcl_DecrRefCount(fileNamePtr);
- return TCL_OK;
} else {
DIR *d;
Tcl_DirEntry *entryPtr;
CONST char *dirName;
int dirLength;
- int matchHidden;
+ int matchHidden, matchHiddenPat;
int nativeDirLen;
Tcl_StatBuf statBuf;
- Tcl_DString ds; /* native encoding of dir */
- Tcl_DString dsOrig; /* utf-8 encoding of dir */
+ Tcl_DString ds; /* native encoding of dir */
+ Tcl_DString dsOrig; /* utf-8 encoding of dir */
Tcl_DStringInit(&dsOrig);
dirName = Tcl_GetStringFromObj(fileNamePtr, &dirLength);
Tcl_DStringAppend(&dsOrig, dirName, dirLength);
-
+
/*
* Make sure that the directory part of the name really is a
- * directory. If the directory name is "", use the name "."
- * instead, because some UNIX systems don't treat "" like "."
- * automatically. Keep the "" for use in generating file names,
- * otherwise "glob foo.c" would return "./foo.c".
+ * directory. If the directory name is "", use the name "." instead,
+ * because some UNIX systems don't treat "" like "." automatically.
+ * Keep the "" for use in generating file names, otherwise "glob
+ * foo.c" would return "./foo.c".
*/
if (dirLength == 0) {
dirName = ".";
} else {
dirName = Tcl_DStringValue(&dsOrig);
- /* Make sure we have a trailing directory delimiter */
+
+ /*
+ * Make sure we have a trailing directory delimiter.
+ */
+
if (dirName[dirLength-1] != '/') {
dirName = Tcl_DStringAppend(&dsOrig, "/", 1);
dirLength++;
}
}
- Tcl_DecrRefCount(fileNamePtr);
-
+
/*
* Now open the directory for reading and iterate over the contents.
*/
@@ -294,17 +315,21 @@ TclpMatchInDirectory(interp, resultPtr, pathPtr, pattern, types)
|| !S_ISDIR(statBuf.st_mode)) {
Tcl_DStringFree(&dsOrig);
Tcl_DStringFree(&ds);
+ Tcl_DecrRefCount(fileNamePtr);
return TCL_OK;
}
d = opendir(native); /* INTL: Native. */
if (d == NULL) {
Tcl_DStringFree(&ds);
- Tcl_ResetResult(interp);
- Tcl_AppendResult(interp, "couldn't read directory \"",
- Tcl_DStringValue(&dsOrig), "\": ",
- Tcl_PosixError(interp), (char *) NULL);
+ if (interp != NULL) {
+ Tcl_ResetResult(interp);
+ Tcl_AppendResult(interp, "couldn't read directory \"",
+ Tcl_DStringValue(&dsOrig), "\": ",
+ Tcl_PosixError(interp), (char *) NULL);
+ }
Tcl_DStringFree(&dsOrig);
+ Tcl_DecrRefCount(fileNamePtr);
return TCL_ERROR;
}
@@ -313,92 +338,135 @@ TclpMatchInDirectory(interp, resultPtr, pathPtr, pattern, types)
/*
* Check to see if -type or the pattern requests hidden files.
*/
- matchHidden = ((types && (types->perm & TCL_GLOB_PERM_HIDDEN)) ||
- ((pattern[0] == '.')
- || ((pattern[0] == '\\') && (pattern[1] == '.'))));
- while ((entryPtr = TclOSreaddir(d)) != NULL) { /* INTL: Native. */
+ matchHiddenPat = (pattern[0] == '.')
+ || ((pattern[0] == '\\') && (pattern[1] == '.'));
+ matchHidden = matchHiddenPat
+ || (types && (types->perm & TCL_GLOB_PERM_HIDDEN));
+ while ((entryPtr = TclOSreaddir(d)) != NULL) { /* INTL: Native. */
Tcl_DString utfDs;
CONST char *utfname;
- /*
- * Skip this file if it doesn't agree with the hidden
- * parameters requested by the user (via -type or pattern).
+ /*
+ * Skip this file if it doesn't agree with the hidden parameters
+ * requested by the user (via -type or pattern).
*/
+
if (*entryPtr->d_name == '.') {
if (!matchHidden) continue;
} else {
+#ifdef MAC_OSX_TCL
+ if (matchHiddenPat) continue;
+ /* Also need to check HFS hidden flag in TclMacOSXMatchType. */
+#else
if (matchHidden) continue;
+#endif
}
/*
* Now check to see if the file matches, according to both type
- * and pattern. If so, add the file to the result.
+ * and pattern. If so, add the file to the result.
*/
- utfname = Tcl_ExternalToUtfDString(NULL, entryPtr->d_name,
- -1, &utfDs);
+ utfname = Tcl_ExternalToUtfDString(NULL, entryPtr->d_name, -1,
+ &utfDs);
if (Tcl_StringCaseMatch(utfname, pattern, 0)) {
int typeOk = 1;
if (types != NULL) {
Tcl_DStringSetLength(&ds, nativeDirLen);
native = Tcl_DStringAppend(&ds, entryPtr->d_name, -1);
- typeOk = NativeMatchType(native, types);
+ matchResult = NativeMatchType(interp, native,
+ entryPtr->d_name, types);
+ typeOk = (matchResult == 1);
}
if (typeOk) {
- Tcl_ListObjAppendElement(interp, resultPtr,
+ Tcl_ListObjAppendElement(interp, resultPtr,
TclNewFSPathObj(pathPtr, utfname,
- Tcl_DStringLength(&utfDs)));
+ Tcl_DStringLength(&utfDs)));
}
}
Tcl_DStringFree(&utfDs);
+ if (matchResult < 0) {
+ break;
+ }
}
closedir(d);
Tcl_DStringFree(&ds);
Tcl_DStringFree(&dsOrig);
+ Tcl_DecrRefCount(fileNamePtr);
+ }
+ if (matchResult < 0) {
+ return TCL_ERROR;
+ } else {
return TCL_OK;
}
}
-static int
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * NativeMatchType --
+ *
+ * This routine is used by the globbing code to check if a file
+ * matches a given type description.
+ *
+ * Results:
+ * The return value is 1, 0 or -1 indicating whether the file
+ * matches the given criteria, does not match them, or an error
+ * occurred (in wich case an error is left in interp).
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
NativeMatchType(
- CONST char* nativeEntry, /* Native path to check */
- Tcl_GlobTypeData *types) /* Type description to match against */
+ Tcl_Interp *interp, /* Interpreter to receive errors. */
+ CONST char *nativeEntry, /* Native path to check. */
+ CONST char *nativeName, /* Native filename to check. */
+ Tcl_GlobTypeData *types) /* Type description to match against. */
{
Tcl_StatBuf buf;
if (types == NULL) {
- /*
- * Simply check for the file's existence, but do it
- * with lstat, in case it is a link to a file which
- * doesn't exist (since that case would not show up
- * if we used 'access' or 'stat')
+ /*
+ * Simply check for the file's existence, but do it with lstat, in
+ * case it is a link to a file which doesn't exist (since that case
+ * would not show up if we used 'access' or 'stat')
*/
+
if (TclOSlstat(nativeEntry, &buf) != 0) {
return 0;
}
} else {
if (types->perm != 0) {
if (TclOSstat(nativeEntry, &buf) != 0) {
- /*
- * Either the file has disappeared between the
- * 'readdir' call and the 'stat' call, or
- * the file is a link to a file which doesn't
- * exist (which we could ascertain with
- * lstat), or there is some other strange
- * problem. In all these cases, we define this
- * to mean the file does not match any defined
- * permission, and therefore it is not
- * added to the list of files to return.
+ /*
+ * Either the file has disappeared between the 'readdir' call
+ * and the 'stat' call, or the file is a link to a file which
+ * doesn't exist (which we could ascertain with lstat), or
+ * there is some other strange problem. In all these cases, we
+ * define this to mean the file does not match any defined
+ * permission, and therefore it is not added to the list of
+ * files to return.
*/
+
return 0;
}
-
- /*
- * readonly means that there are NO write permissions
- * (even for user), but execute is OK for anybody
+
+ /*
+ * readonly means that there are NO write permissions (even for
+ * user), but execute is OK for anybody OR that the user immutable
+ * flag is set (where supported).
*/
+
if (((types->perm & TCL_GLOB_PERM_RONLY) &&
+#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE)
+ !(buf.st_flags & UF_IMMUTABLE) &&
+#endif
(buf.st_mode & (S_IWOTH|S_IWGRP|S_IWUSR))) ||
((types->perm & TCL_GLOB_PERM_R) &&
(access(nativeEntry, R_OK) != 0)) ||
@@ -406,20 +474,27 @@ NativeMatchType(
(access(nativeEntry, W_OK) != 0)) ||
((types->perm & TCL_GLOB_PERM_X) &&
(access(nativeEntry, X_OK) != 0))
+#ifndef MAC_OSX_TCL
+ || ((types->perm & TCL_GLOB_PERM_HIDDEN) &&
+ (*nativeName != '.'))
+#endif
) {
return 0;
}
}
if (types->type != 0) {
if (types->perm == 0) {
- /* We haven't yet done a stat on the file */
+ /*
+ * We haven't yet done a stat on the file.
+ */
+
if (TclOSstat(nativeEntry, &buf) != 0) {
- /*
- * Posix error occurred. The only ok
- * case is if this is a link to a nonexistent
- * file, and the user did 'glob -l'. So
- * we check that here:
+ /*
+ * Posix error occurred. The only ok case is if this is a
+ * link to a nonexistent file, and the user did 'glob -l'.
+ * So we check that here:
*/
+
if (types->type & TCL_GLOB_TYPE_LINK) {
if (TclOSlstat(nativeEntry, &buf) == 0) {
if (S_ISLNK(buf.st_mode)) {
@@ -430,32 +505,29 @@ NativeMatchType(
return 0;
}
}
+
/*
* In order bcdpfls as in 'find -t'
*/
- if (
- ((types->type & TCL_GLOB_TYPE_BLOCK) &&
- S_ISBLK(buf.st_mode)) ||
- ((types->type & TCL_GLOB_TYPE_CHAR) &&
- S_ISCHR(buf.st_mode)) ||
- ((types->type & TCL_GLOB_TYPE_DIR) &&
- S_ISDIR(buf.st_mode)) ||
- ((types->type & TCL_GLOB_TYPE_PIPE) &&
- S_ISFIFO(buf.st_mode)) ||
- ((types->type & TCL_GLOB_TYPE_FILE) &&
- S_ISREG(buf.st_mode))
+
+ if (((types->type & TCL_GLOB_TYPE_BLOCK)&& S_ISBLK(buf.st_mode)) ||
+ ((types->type & TCL_GLOB_TYPE_CHAR) && S_ISCHR(buf.st_mode)) ||
+ ((types->type & TCL_GLOB_TYPE_DIR) && S_ISDIR(buf.st_mode)) ||
+ ((types->type & TCL_GLOB_TYPE_PIPE) && S_ISFIFO(buf.st_mode))||
+ ((types->type & TCL_GLOB_TYPE_FILE) && S_ISREG(buf.st_mode))
#ifdef S_ISSOCK
- || ((types->type & TCL_GLOB_TYPE_SOCK) &&
- S_ISSOCK(buf.st_mode))
+ ||((types->type & TCL_GLOB_TYPE_SOCK) && S_ISSOCK(buf.st_mode))
#endif /* S_ISSOCK */
) {
- /* Do nothing -- this file is ok */
+ /*
+ * Do nothing - this file is ok.
+ */
} else {
#ifdef S_ISLNK
if (types->type & TCL_GLOB_TYPE_LINK) {
if (TclOSlstat(nativeEntry, &buf) == 0) {
if (S_ISLNK(buf.st_mode)) {
- return 1;
+ goto filetypeOK;
}
}
}
@@ -463,6 +535,29 @@ NativeMatchType(
return 0;
}
}
+ filetypeOK: ;
+#ifdef MAC_OSX_TCL
+ if (types->macType != NULL || types->macCreator != NULL ||
+ (types->perm & TCL_GLOB_PERM_HIDDEN)) {
+ int matchResult;
+
+ if (types->perm == 0 && types->type == 0) {
+ /*
+ * We haven't yet done a stat on the file.
+ */
+
+ if (TclOSstat(nativeEntry, &buf) != 0) {
+ return 0;
+ }
+ }
+
+ matchResult = TclMacOSXMatchType(interp, nativeEntry, nativeName,
+ &buf, types);
+ if (matchResult != 1) {
+ return matchResult;
+ }
+ }
+#endif
}
return 1;
}
@@ -472,15 +567,15 @@ NativeMatchType(
*
* TclpGetUserHome --
*
- * This function takes the specified user name and finds their
- * home directory.
+ * This function takes the specified user name and finds their home
+ * directory.
*
* Results:
* The result is a pointer to a string specifying the user's home
* directory, or NULL if the user's home directory could not be
- * determined. Storage for the result string is allocated in
- * bufferPtr; the caller must call Tcl_DStringFree() when the result
- * is no longer needed.
+ * determined. Storage for the result string is allocated in bufferPtr;
+ * the caller must call Tcl_DStringFree() when the result is no longer
+ * needed.
*
* Side effects:
* None.
@@ -489,25 +584,23 @@ NativeMatchType(
*/
char *
-TclpGetUserHome(name, bufferPtr)
- CONST char *name; /* User name for desired home directory. */
- Tcl_DString *bufferPtr; /* Uninitialized or free DString filled
- * with name of user's home directory. */
+TclpGetUserHome(
+ CONST char *name, /* User name for desired home directory. */
+ Tcl_DString *bufferPtr) /* Uninitialized or free DString filled with
+ * name of user's home directory. */
{
struct passwd *pwPtr;
Tcl_DString ds;
CONST char *native;
native = Tcl_UtfToExternalDString(NULL, name, -1, &ds);
- pwPtr = getpwnam(native); /* INTL: Native. */
+ pwPtr = TclpGetPwNam(native); /* INTL: Native. */
Tcl_DStringFree(&ds);
-
+
if (pwPtr == NULL) {
- endpwent();
return NULL;
}
Tcl_ExternalToUtfDString(NULL, pwPtr->pw_dir, -1, bufferPtr);
- endpwent();
return Tcl_DStringValue(bufferPtr);
}
@@ -527,10 +620,10 @@ TclpGetUserHome(name, bufferPtr)
*---------------------------------------------------------------------------
*/
-int
-TclpObjAccess(pathPtr, mode)
- Tcl_Obj *pathPtr; /* Path of file to access */
- int mode; /* Permission setting. */
+int
+TclpObjAccess(
+ Tcl_Obj *pathPtr, /* Path of file to access */
+ int mode) /* Permission setting. */
{
CONST char *path = Tcl_FSGetNativePath(pathPtr);
if (path == NULL) {
@@ -551,14 +644,14 @@ TclpObjAccess(pathPtr, mode)
* See chdir() documentation.
*
* Side effects:
- * See chdir() documentation.
+ * See chdir() documentation.
*
*---------------------------------------------------------------------------
*/
-int
-TclpObjChdir(pathPtr)
- Tcl_Obj *pathPtr; /* Path to new working directory */
+int
+TclpObjChdir(
+ Tcl_Obj *pathPtr) /* Path to new working directory */
{
CONST char *path = Tcl_FSGetNativePath(pathPtr);
if (path == NULL) {
@@ -584,10 +677,10 @@ TclpObjChdir(pathPtr)
*----------------------------------------------------------------------
*/
-int
-TclpObjLstat(pathPtr, bufPtr)
- Tcl_Obj *pathPtr; /* Path of file to stat */
- Tcl_StatBuf *bufPtr; /* Filled with results of stat call. */
+int
+TclpObjLstat(
+ Tcl_Obj *pathPtr, /* Path of file to stat */
+ Tcl_StatBuf *bufPtr) /* Filled with results of stat call. */
{
return TclOSlstat(Tcl_FSGetNativePath(pathPtr), bufPtr);
}
@@ -595,17 +688,17 @@ TclpObjLstat(pathPtr, bufPtr)
/*
*---------------------------------------------------------------------------
*
- * TclpObjGetCwd --
+ * TclpGetNativeCwd --
*
* This function replaces the library version of getcwd().
*
* Results:
- * The result is a pointer to a string specifying the current
- * directory, or NULL if the current directory could not be
- * determined. If NULL is returned, an error message is left in the
- * interp's result. Storage for the result string is allocated in
- * bufferPtr; the caller must call Tcl_DStringFree() when the result
- * is no longer needed.
+ * The input and output are filesystem paths in native form. The result
+ * is either the given clientData, if the working directory hasn't
+ * changed, or a new clientData (owned by our caller), giving the new
+ * native path, or NULL if the current directory could not be determined.
+ * If NULL is returned, the caller can examine the standard posix error
+ * codes to determine the cause of the problem.
*
* Side effects:
* None.
@@ -613,39 +706,73 @@ TclpObjLstat(pathPtr, bufPtr)
*----------------------------------------------------------------------
*/
-Tcl_Obj*
-TclpObjGetCwd(interp)
- Tcl_Interp *interp;
+ClientData
+TclpGetNativeCwd(
+ ClientData clientData)
{
- Tcl_DString ds;
- if (TclpGetCwd(interp, &ds) != NULL) {
- Tcl_Obj *cwdPtr = Tcl_NewStringObj(Tcl_DStringValue(&ds), -1);
- Tcl_IncrRefCount(cwdPtr);
- Tcl_DStringFree(&ds);
- return cwdPtr;
- } else {
+ char buffer[MAXPATHLEN+1];
+
+#ifdef USEGETWD
+ if (getwd(buffer) == NULL) /* INTL: Native. */
+#else
+ if (getcwd(buffer, MAXPATHLEN+1) == NULL) /* INTL: Native. */
+#endif
+ {
return NULL;
}
+ if ((clientData != NULL) && strcmp(buffer, (CONST char*)clientData) == 0) {
+ /*
+ * No change to pwd.
+ */
+
+ return clientData;
+ } else {
+ char *newCd = (char *) ckalloc((unsigned) (strlen(buffer) + 1));
+ strcpy(newCd, buffer);
+ return (ClientData) newCd;
+ }
}
+
+/*
+ *---------------------------------------------------------------------------
+ *
+ * TclpGetCwd --
+ *
+ * This function replaces the library version of getcwd(). (Obsolete
+ * function, only retained for old extensions which may call it
+ * directly).
+ *
+ * Results:
+ * The result is a pointer to a string specifying the current directory,
+ * or NULL if the current directory could not be determined. If NULL is
+ * returned, an error message is left in the interp's result. Storage for
+ * the result string is allocated in bufferPtr; the caller must call
+ * Tcl_DStringFree() when the result is no longer needed.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
-/* Older string based version */
CONST char *
-TclpGetCwd(interp, bufferPtr)
- Tcl_Interp *interp; /* If non-NULL, used for error reporting. */
- Tcl_DString *bufferPtr; /* Uninitialized or free DString filled
- * with name of current directory. */
+TclpGetCwd(
+ Tcl_Interp *interp, /* If non-NULL, used for error reporting. */
+ Tcl_DString *bufferPtr) /* Uninitialized or free DString filled with
+ * name of current directory. */
{
char buffer[MAXPATHLEN+1];
#ifdef USEGETWD
- if (getwd(buffer) == NULL) { /* INTL: Native. */
+ if (getwd(buffer) == NULL) /* INTL: Native. */
#else
- if (getcwd(buffer, MAXPATHLEN + 1) == NULL) { /* INTL: Native. */
+ if (getcwd(buffer, MAXPATHLEN+1) == NULL) /* INTL: Native. */
#endif
+ {
if (interp != NULL) {
Tcl_AppendResult(interp,
"error getting working directory name: ",
- Tcl_PosixError(interp), (char *) NULL);
+ Tcl_PosixError(interp), NULL);
}
return NULL;
}
@@ -660,11 +787,11 @@ TclpGetCwd(interp, bufferPtr)
* This function replaces the library version of readlink().
*
* Results:
- * The result is a pointer to a string specifying the contents
- * of the symbolic link given by 'path', or NULL if the symbolic
- * link could not be read. Storage for the result string is
- * allocated in bufferPtr; the caller must call Tcl_DStringFree()
- * when the result is no longer needed.
+ * The result is a pointer to a string specifying the contents of the
+ * symbolic link given by 'path', or NULL if the symbolic link could not
+ * be read. Storage for the result string is allocated in bufferPtr; the
+ * caller must call Tcl_DStringFree() when the result is no longer
+ * needed.
*
* Side effects:
* See readlink() documentation.
@@ -673,10 +800,10 @@ TclpGetCwd(interp, bufferPtr)
*/
char *
-TclpReadlink(path, linkPtr)
- CONST char *path; /* Path of file to readlink (UTF-8). */
- Tcl_DString *linkPtr; /* Uninitialized or free DString filled
- * with contents of link (UTF-8). */
+TclpReadlink(
+ CONST char *path, /* Path of file to readlink (UTF-8). */
+ Tcl_DString *linkPtr) /* Uninitialized or free DString filled with
+ * contents of link (UTF-8). */
{
#ifndef DJGPP
char link[MAXPATHLEN];
@@ -687,7 +814,7 @@ TclpReadlink(path, linkPtr)
native = Tcl_UtfToExternalDString(NULL, path, -1, &ds);
length = readlink(native, link, sizeof(link)); /* INTL: Native. */
Tcl_DStringFree(&ds);
-
+
if (length < 0) {
return NULL;
}
@@ -715,10 +842,10 @@ TclpReadlink(path, linkPtr)
*----------------------------------------------------------------------
*/
-int
-TclpObjStat(pathPtr, bufPtr)
- Tcl_Obj *pathPtr; /* Path of file to stat */
- Tcl_StatBuf *bufPtr; /* Filled with results of stat call. */
+int
+TclpObjStat(
+ Tcl_Obj *pathPtr, /* Path of file to stat */
+ Tcl_StatBuf *bufPtr) /* Filled with results of stat call. */
{
CONST char *path = Tcl_FSGetNativePath(pathPtr);
if (path == NULL) {
@@ -728,67 +855,142 @@ TclpObjStat(pathPtr, bufPtr)
}
}
-
#ifdef S_IFLNK
-Tcl_Obj*
-TclpObjLink(pathPtr, toPtr, linkAction)
- Tcl_Obj *pathPtr;
- Tcl_Obj *toPtr;
- int linkAction;
+Tcl_Obj*
+TclpObjLink(
+ Tcl_Obj *pathPtr,
+ Tcl_Obj *toPtr,
+ int linkAction)
{
if (toPtr != NULL) {
CONST char *src = Tcl_FSGetNativePath(pathPtr);
- CONST char *target = Tcl_FSGetNativePath(toPtr);
-
- if (src == NULL || target == NULL) {
+ CONST char *target = NULL;
+
+ if (src == NULL) {
return NULL;
}
+
+ /*
+ * If we're making a symbolic link and the path is relative, then we
+ * must check whether it exists _relative_ to the directory in which
+ * the src is found (not relative to the current cwd which is just not
+ * relevant in this case).
+ *
+ * If we're making a hard link, then a relative path is just converted
+ * to absolute relative to the cwd.
+ */
+
+ if ((linkAction & TCL_CREATE_SYMBOLIC_LINK)
+ && (Tcl_FSGetPathType(toPtr) == TCL_PATH_RELATIVE)) {
+ Tcl_Obj *dirPtr, *absPtr;
+
+ dirPtr = TclPathPart(NULL, pathPtr, TCL_PATH_DIRNAME);
+ if (dirPtr == NULL) {
+ return NULL;
+ }
+ absPtr = Tcl_FSJoinToPath(dirPtr, 1, &toPtr);
+ Tcl_IncrRefCount(absPtr);
+ if (Tcl_FSAccess(absPtr, F_OK) == -1) {
+ Tcl_DecrRefCount(absPtr);
+ Tcl_DecrRefCount(dirPtr);
+
+ /*
+ * Target doesn't exist.
+ */
+
+ errno = ENOENT;
+ return NULL;
+ }
+
+ /*
+ * Target exists; we'll construct the relative path we want below.
+ */
+
+ Tcl_DecrRefCount(absPtr);
+ Tcl_DecrRefCount(dirPtr);
+ } else {
+ target = Tcl_FSGetNativePath(toPtr);
+ if (target == NULL) {
+ return NULL;
+ }
+ if (access(target, F_OK) == -1) {
+ /*
+ * Target doesn't exist.
+ */
+
+ errno = ENOENT;
+ return NULL;
+ }
+ }
+
if (access(src, F_OK) != -1) {
- /* src exists */
+ /*
+ * Src exists.
+ */
+
errno = EEXIST;
return NULL;
}
- if (access(target, F_OK) == -1) {
- /* target doesn't exist */
- errno = ENOENT;
- return NULL;
- }
- /*
- * Check symbolic link flag first, since we prefer to
- * create these.
+
+ /*
+ * Check symbolic link flag first, since we prefer to create these.
*/
+
if (linkAction & TCL_CREATE_SYMBOLIC_LINK) {
- if (symlink(target, src) != 0) return NULL;
+ int targetLen;
+ Tcl_DString ds;
+ Tcl_Obj *transPtr;
+
+ /*
+ * Now we don't want to link to the absolute, normalized path.
+ * Relative links are quite acceptable (but links to ~user are not
+ * -- these must be expanded first).
+ */
+
+ transPtr = Tcl_FSGetTranslatedPath(NULL, toPtr);
+ if (transPtr == NULL) {
+ return NULL;
+ }
+ target = Tcl_GetStringFromObj(transPtr, &targetLen);
+ target = Tcl_UtfToExternalDString(NULL, target, targetLen, &ds);
+ Tcl_DecrRefCount(transPtr);
+
+ if (symlink(target, src) != 0) {
+ toPtr = NULL;
+ }
+ Tcl_DStringFree(&ds);
} else if (linkAction & TCL_CREATE_HARD_LINK) {
- if (link(target, src) != 0) return NULL;
+ if (link(target, src) != 0) {
+ return NULL;
+ }
} else {
errno = ENODEV;
return NULL;
}
return toPtr;
} else {
- Tcl_Obj* linkPtr = NULL;
+ Tcl_Obj *linkPtr = NULL;
char link[MAXPATHLEN];
int length;
Tcl_DString ds;
Tcl_Obj *transPtr;
-
+
transPtr = Tcl_FSGetTranslatedPath(NULL, pathPtr);
if (transPtr == NULL) {
return NULL;
}
Tcl_DecrRefCount(transPtr);
-
+
length = readlink(Tcl_FSGetNativePath(pathPtr), link, sizeof(link));
if (length < 0) {
return NULL;
}
Tcl_ExternalToUtfDString(NULL, link, length, &ds);
- linkPtr = Tcl_NewStringObj(Tcl_DStringValue(&ds),
- Tcl_DStringLength(&ds));
+ linkPtr = Tcl_NewStringObj(Tcl_DStringValue(&ds),
+ Tcl_DStringLength(&ds));
Tcl_DStringFree(&ds);
if (linkPtr != NULL) {
Tcl_IncrRefCount(linkPtr);
@@ -796,39 +998,181 @@ TclpObjLink(pathPtr, toPtr, linkAction)
return linkPtr;
}
}
-
-#endif
-
+#endif /* S_IFLNK */
/*
*---------------------------------------------------------------------------
*
* TclpFilesystemPathType --
*
- * This function is part of the native filesystem support, and
- * returns the path type of the given path. Right now it simply
- * returns NULL. In the future it could return specific path
- * types, like 'nfs', 'samba', 'FAT32', etc.
+ * This function is part of the native filesystem support, and returns
+ * the path type of the given path. Right now it simply returns NULL. In
+ * the future it could return specific path types, like 'nfs', 'samba',
+ * 'FAT32', etc.
*
* Results:
- * NULL at present.
+ * NULL at present.
*
* Side effects:
* None.
*
*---------------------------------------------------------------------------
*/
-Tcl_Obj*
-TclpFilesystemPathType(pathObjPtr)
- Tcl_Obj* pathObjPtr;
+
+Tcl_Obj *
+TclpFilesystemPathType(
+ Tcl_Obj *pathPtr)
{
- /* All native paths are of the same type */
+ /*
+ * All native paths are of the same type.
+ */
+
return NULL;
}
/*
*---------------------------------------------------------------------------
*
+ * TclpNativeToNormalized --
+ *
+ * Convert native format to a normalized path object, with refCount of
+ * zero.
+ *
+ * Currently assumes all native paths are actually normalized already, so
+ * if the path given is not normalized this will actually just convert to
+ * a valid string path, but not necessarily a normalized one.
+ *
+ * Results:
+ * A valid normalized path.
+ *
+ * Side effects:
+ * None.
+ *
+ *---------------------------------------------------------------------------
+ */
+
+Tcl_Obj *
+TclpNativeToNormalized(
+ ClientData clientData)
+{
+ Tcl_DString ds;
+ Tcl_Obj *objPtr;
+ int len;
+
+ CONST char *copy;
+ Tcl_ExternalToUtfDString(NULL, (CONST char*)clientData, -1, &ds);
+
+ copy = Tcl_DStringValue(&ds);
+ len = Tcl_DStringLength(&ds);
+
+ objPtr = Tcl_NewStringObj(copy,len);
+ Tcl_DStringFree(&ds);
+
+ return objPtr;
+}
+
+/*
+ *---------------------------------------------------------------------------
+ *
+ * TclNativeCreateNativeRep --
+ *
+ * Create a native representation for the given path.
+ *
+ * Results:
+ * The nativePath representation.
+ *
+ * Side effects:
+ * Memory will be allocated. The path may need to be normalized.
+ *
+ *---------------------------------------------------------------------------
+ */
+
+ClientData
+TclNativeCreateNativeRep(
+ Tcl_Obj *pathPtr)
+{
+ char *nativePathPtr;
+ Tcl_DString ds;
+ Tcl_Obj *validPathPtr;
+ int len;
+ char *str;
+
+ if (TclFSCwdIsNative()) {
+ /*
+ * The cwd is native, which means we can use the translated path
+ * without worrying about normalization (this will also usually be
+ * shorter so the utf-to-external conversion will be somewhat faster).
+ */
+
+ validPathPtr = Tcl_FSGetTranslatedPath(NULL, pathPtr);
+ if (validPathPtr == NULL) {
+ return NULL;
+ }
+ } else {
+ /*
+ * Make sure the normalized path is set.
+ */
+
+ validPathPtr = Tcl_FSGetNormalizedPath(NULL, pathPtr);
+ if (validPathPtr == NULL) {
+ return NULL;
+ }
+ Tcl_IncrRefCount(validPathPtr);
+ }
+
+ str = Tcl_GetStringFromObj(validPathPtr, &len);
+ Tcl_UtfToExternalDString(NULL, str, len, &ds);
+ len = Tcl_DStringLength(&ds) + sizeof(char);
+ Tcl_DecrRefCount(validPathPtr);
+ nativePathPtr = ckalloc((unsigned) len);
+ memcpy((void*)nativePathPtr, (void*)Tcl_DStringValue(&ds), (size_t) len);
+
+ Tcl_DStringFree(&ds);
+ return (ClientData)nativePathPtr;
+}
+
+/*
+ *---------------------------------------------------------------------------
+ *
+ * TclNativeDupInternalRep --
+ *
+ * Duplicate the native representation.
+ *
+ * Results:
+ * The copied native representation, or NULL if it is not possible to
+ * copy the representation.
+ *
+ * Side effects:
+ * Memory will be allocated for the copy.
+ *
+ *---------------------------------------------------------------------------
+ */
+
+ClientData
+TclNativeDupInternalRep(
+ ClientData clientData)
+{
+ char *copy;
+ size_t len;
+
+ if (clientData == NULL) {
+ return NULL;
+ }
+
+ /*
+ * ASCII representation when running on Unix.
+ */
+
+ len = sizeof(char) + (strlen((CONST char*) clientData) * sizeof(char));
+
+ copy = (char *) ckalloc(len);
+ memcpy((void *) copy, (void *) clientData, len);
+ return (ClientData)copy;
+}
+
+/*
+ *---------------------------------------------------------------------------
+ *
* TclpUtime --
*
* Set the modification date for a file.
@@ -841,12 +1185,13 @@ TclpFilesystemPathType(pathObjPtr)
*
*---------------------------------------------------------------------------
*/
-int
-TclpUtime(pathPtr, tval)
- Tcl_Obj *pathPtr; /* File to modify */
- struct utimbuf *tval; /* New modification date structure */
+
+int
+TclpUtime(
+ Tcl_Obj *pathPtr, /* File to modify */
+ struct utimbuf *tval) /* New modification date structure */
{
- return utime(Tcl_FSGetNativePath(pathPtr),tval);
+ return utime(Tcl_FSGetNativePath(pathPtr), tval);
}
#ifdef __CYGWIN__
int TclOSstat(const char *name, Tcl_StatBuf *statBuf) {