|
/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tcl_base/tclfcmd.c,v 1.1.1.1 2001/06/13 04:39:01 dtashley Exp $ */ |
|
|
|
|
|
/* |
|
|
* tclFCmd.c |
|
|
* |
|
|
* This file implements the generic portion of file manipulation |
|
|
* subcommands of the "file" command. |
|
|
* |
|
|
* 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. |
|
|
* |
|
|
* RCS: @(#) $Id: tclfcmd.c,v 1.1.1.1 2001/06/13 04:39:01 dtashley Exp $ |
|
|
*/ |
|
|
|
|
|
#include "tclInt.h" |
|
|
#include "tclPort.h" |
|
|
|
|
|
/* |
|
|
* Declarations for local procedures defined in this file: |
|
|
*/ |
|
|
|
|
|
static int CopyRenameOneFile _ANSI_ARGS_((Tcl_Interp *interp, |
|
|
char *source, char *dest, int copyFlag, |
|
|
int force)); |
|
|
static char * FileBasename _ANSI_ARGS_((Tcl_Interp *interp, |
|
|
char *path, Tcl_DString *bufferPtr)); |
|
|
static int FileCopyRename _ANSI_ARGS_((Tcl_Interp *interp, |
|
|
int argc, char **argv, int copyFlag)); |
|
|
static int FileForceOption _ANSI_ARGS_((Tcl_Interp *interp, |
|
|
int argc, char **argv, int *forcePtr)); |
|
|
|
|
|
/* |
|
|
*--------------------------------------------------------------------------- |
|
|
* |
|
|
* TclFileRenameCmd |
|
|
* |
|
|
* This procedure implements the "rename" subcommand of the "file" |
|
|
* command. Filename arguments need to be translated to native |
|
|
* format before being passed to platform-specific code that |
|
|
* implements rename functionality. |
|
|
* |
|
|
* Results: |
|
|
* A standard Tcl result. |
|
|
* |
|
|
* Side effects: |
|
|
* See the user documentation. |
|
|
* |
|
|
*--------------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
int |
|
|
TclFileRenameCmd(interp, argc, argv) |
|
|
Tcl_Interp *interp; /* Interp for error reporting. */ |
|
|
int argc; /* Number of arguments. */ |
|
|
char **argv; /* Argument strings passed to Tcl_FileCmd. */ |
|
|
{ |
|
|
return FileCopyRename(interp, argc, argv, 0); |
|
|
} |
|
|
|
|
|
/* |
|
|
*--------------------------------------------------------------------------- |
|
|
* |
|
|
* TclFileCopyCmd |
|
|
* |
|
|
* This procedure implements the "copy" subcommand of the "file" |
|
|
* command. Filename arguments need to be translated to native |
|
|
* format before being passed to platform-specific code that |
|
|
* implements copy functionality. |
|
|
* |
|
|
* Results: |
|
|
* A standard Tcl result. |
|
|
* |
|
|
* Side effects: |
|
|
* See the user documentation. |
|
|
* |
|
|
*--------------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
int |
|
|
TclFileCopyCmd(interp, argc, argv) |
|
|
Tcl_Interp *interp; /* Used for error reporting */ |
|
|
int argc; /* Number of arguments. */ |
|
|
char **argv; /* Argument strings passed to Tcl_FileCmd. */ |
|
|
{ |
|
|
return FileCopyRename(interp, argc, argv, 1); |
|
|
} |
|
|
|
|
|
/* |
|
|
*--------------------------------------------------------------------------- |
|
|
* |
|
|
* FileCopyRename -- |
|
|
* |
|
|
* Performs the work of TclFileRenameCmd and TclFileCopyCmd. |
|
|
* See comments for those procedures. |
|
|
* |
|
|
* Results: |
|
|
* See above. |
|
|
* |
|
|
* Side effects: |
|
|
* See above. |
|
|
* |
|
|
*--------------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static int |
|
|
FileCopyRename(interp, argc, argv, copyFlag) |
|
|
Tcl_Interp *interp; /* Used for error reporting. */ |
|
|
int argc; /* Number of arguments. */ |
|
|
char **argv; /* Argument strings passed to Tcl_FileCmd. */ |
|
|
int copyFlag; /* If non-zero, copy source(s). Otherwise, |
|
|
* rename them. */ |
|
|
{ |
|
|
int i, result, force; |
|
|
struct stat statBuf; |
|
|
Tcl_DString targetBuffer; |
|
|
char *target; |
|
|
|
|
|
i = FileForceOption(interp, argc - 2, argv + 2, &force); |
|
|
if (i < 0) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
i += 2; |
|
|
if ((argc - i) < 2) { |
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], |
|
|
" ", argv[1], " ?options? source ?source ...? target\"", |
|
|
(char *) NULL); |
|
|
return TCL_ERROR; |
|
|
} |
|
|
|
|
|
/* |
|
|
* If target doesn't exist or isn't a directory, try the copy/rename. |
|
|
* More than 2 arguments is only valid if the target is an existing |
|
|
* directory. |
|
|
*/ |
|
|
|
|
|
target = Tcl_TranslateFileName(interp, argv[argc - 1], &targetBuffer); |
|
|
if (target == NULL) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
|
|
|
result = TCL_OK; |
|
|
|
|
|
/* |
|
|
* Call TclStat() so that if target is a symlink that points to a |
|
|
* directory we will put the sources in that directory instead of |
|
|
* overwriting the symlink. |
|
|
*/ |
|
|
|
|
|
if ((TclStat(target, &statBuf) != 0) || !S_ISDIR(statBuf.st_mode)) { |
|
|
if ((argc - i) > 2) { |
|
|
errno = ENOTDIR; |
|
|
Tcl_PosixError(interp); |
|
|
Tcl_AppendResult(interp, "error ", |
|
|
((copyFlag) ? "copying" : "renaming"), ": target \"", |
|
|
argv[argc - 1], "\" is not a directory", (char *) NULL); |
|
|
result = TCL_ERROR; |
|
|
} else { |
|
|
/* |
|
|
* Even though already have target == translated(argv[i+1]), |
|
|
* pass the original argument down, so if there's an error, the |
|
|
* error message will reflect the original arguments. |
|
|
*/ |
|
|
|
|
|
result = CopyRenameOneFile(interp, argv[i], argv[i + 1], copyFlag, |
|
|
force); |
|
|
} |
|
|
Tcl_DStringFree(&targetBuffer); |
|
|
return result; |
|
|
} |
|
|
|
|
|
/* |
|
|
* Move each source file into target directory. Extract the basename |
|
|
* from each source, and append it to the end of the target path. |
|
|
*/ |
|
|
|
|
|
for ( ; i < argc - 1; i++) { |
|
|
char *jargv[2]; |
|
|
char *source, *newFileName; |
|
|
Tcl_DString sourceBuffer, newFileNameBuffer; |
|
|
|
|
|
source = FileBasename(interp, argv[i], &sourceBuffer); |
|
|
if (source == NULL) { |
|
|
result = TCL_ERROR; |
|
|
break; |
|
|
} |
|
|
jargv[0] = argv[argc - 1]; |
|
|
jargv[1] = source; |
|
|
Tcl_DStringInit(&newFileNameBuffer); |
|
|
newFileName = Tcl_JoinPath(2, jargv, &newFileNameBuffer); |
|
|
result = CopyRenameOneFile(interp, argv[i], newFileName, copyFlag, |
|
|
force); |
|
|
Tcl_DStringFree(&sourceBuffer); |
|
|
Tcl_DStringFree(&newFileNameBuffer); |
|
|
|
|
|
if (result == TCL_ERROR) { |
|
|
break; |
|
|
} |
|
|
} |
|
|
Tcl_DStringFree(&targetBuffer); |
|
|
return result; |
|
|
} |
|
|
|
|
|
/* |
|
|
*--------------------------------------------------------------------------- |
|
|
* |
|
|
* TclFileMakeDirsCmd |
|
|
* |
|
|
* This procedure implements the "mkdir" subcommand of the "file" |
|
|
* command. Filename arguments need to be translated to native |
|
|
* format before being passed to platform-specific code that |
|
|
* implements mkdir functionality. |
|
|
* |
|
|
* Results: |
|
|
* A standard Tcl result. |
|
|
* |
|
|
* Side effects: |
|
|
* See the user documentation. |
|
|
* |
|
|
*---------------------------------------------------------------------- |
|
|
*/ |
|
|
int |
|
|
TclFileMakeDirsCmd(interp, argc, argv) |
|
|
Tcl_Interp *interp; /* Used for error reporting. */ |
|
|
int argc; /* Number of arguments */ |
|
|
char **argv; /* Argument strings passed to Tcl_FileCmd. */ |
|
|
{ |
|
|
Tcl_DString nameBuffer, targetBuffer; |
|
|
char *errfile; |
|
|
int result, i, j, pargc; |
|
|
char **pargv; |
|
|
struct stat statBuf; |
|
|
|
|
|
pargv = NULL; |
|
|
errfile = NULL; |
|
|
Tcl_DStringInit(&nameBuffer); |
|
|
Tcl_DStringInit(&targetBuffer); |
|
|
|
|
|
result = TCL_OK; |
|
|
for (i = 2; i < argc; i++) { |
|
|
char *name = Tcl_TranslateFileName(interp, argv[i], &nameBuffer); |
|
|
if (name == NULL) { |
|
|
result = TCL_ERROR; |
|
|
break; |
|
|
} |
|
|
|
|
|
Tcl_SplitPath(name, &pargc, &pargv); |
|
|
if (pargc == 0) { |
|
|
errno = ENOENT; |
|
|
errfile = argv[i]; |
|
|
break; |
|
|
} |
|
|
for (j = 0; j < pargc; j++) { |
|
|
char *target = Tcl_JoinPath(j + 1, pargv, &targetBuffer); |
|
|
|
|
|
/* |
|
|
* Call TclStat() so that if target is a symlink that points |
|
|
* to a directory we will create subdirectories in that |
|
|
* directory. |
|
|
*/ |
|
|
|
|
|
if (TclStat(target, &statBuf) == 0) { |
|
|
if (!S_ISDIR(statBuf.st_mode)) { |
|
|
errno = EEXIST; |
|
|
errfile = target; |
|
|
goto done; |
|
|
} |
|
|
} else if ((errno != ENOENT) |
|
|
|| (TclpCreateDirectory(target) != TCL_OK)) { |
|
|
errfile = target; |
|
|
goto done; |
|
|
} |
|
|
Tcl_DStringFree(&targetBuffer); |
|
|
} |
|
|
ckfree((char *) pargv); |
|
|
pargv = NULL; |
|
|
Tcl_DStringFree(&nameBuffer); |
|
|
} |
|
|
|
|
|
done: |
|
|
if (errfile != NULL) { |
|
|
Tcl_AppendResult(interp, "can't create directory \"", |
|
|
errfile, "\": ", Tcl_PosixError(interp), (char *) NULL); |
|
|
result = TCL_ERROR; |
|
|
} |
|
|
|
|
|
Tcl_DStringFree(&nameBuffer); |
|
|
Tcl_DStringFree(&targetBuffer); |
|
|
if (pargv != NULL) { |
|
|
ckfree((char *) pargv); |
|
|
} |
|
|
return result; |
|
|
} |
|
|
|
|
|
/* |
|
|
*---------------------------------------------------------------------- |
|
|
* |
|
|
* TclFileDeleteCmd |
|
|
* |
|
|
* This procedure implements the "delete" subcommand of the "file" |
|
|
* command. |
|
|
* |
|
|
* Results: |
|
|
* A standard Tcl result. |
|
|
* |
|
|
* Side effects: |
|
|
* See the user documentation. |
|
|
* |
|
|
*---------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
int |
|
|
TclFileDeleteCmd(interp, argc, argv) |
|
|
Tcl_Interp *interp; /* Used for error reporting */ |
|
|
int argc; /* Number of arguments */ |
|
|
char **argv; /* Argument strings passed to Tcl_FileCmd. */ |
|
|
{ |
|
|
Tcl_DString nameBuffer, errorBuffer; |
|
|
int i, force, result; |
|
|
char *errfile; |
|
|
|
|
|
i = FileForceOption(interp, argc - 2, argv + 2, &force); |
|
|
if (i < 0) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
i += 2; |
|
|
if ((argc - i) < 1) { |
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], |
|
|
" ", argv[1], " ?options? file ?file ...?\"", (char *) NULL); |
|
|
return TCL_ERROR; |
|
|
} |
|
|
|
|
|
errfile = NULL; |
|
|
result = TCL_OK; |
|
|
Tcl_DStringInit(&errorBuffer); |
|
|
Tcl_DStringInit(&nameBuffer); |
|
|
|
|
|
for ( ; i < argc; i++) { |
|
|
struct stat statBuf; |
|
|
char *name; |
|
|
|
|
|
errfile = argv[i]; |
|
|
Tcl_DStringSetLength(&nameBuffer, 0); |
|
|
name = Tcl_TranslateFileName(interp, argv[i], &nameBuffer); |
|
|
if (name == NULL) { |
|
|
result = TCL_ERROR; |
|
|
goto done; |
|
|
} |
|
|
|
|
|
/* |
|
|
* Call lstat() to get info so can delete symbolic link itself. |
|
|
*/ |
|
|
|
|
|
if (TclpLstat(name, &statBuf) != 0) { |
|
|
/* |
|
|
* Trying to delete a file that does not exist is not |
|
|
* considered an error, just a no-op |
|
|
*/ |
|
|
|
|
|
if (errno != ENOENT) { |
|
|
result = TCL_ERROR; |
|
|
} |
|
|
} else if (S_ISDIR(statBuf.st_mode)) { |
|
|
result = TclpRemoveDirectory(name, force, &errorBuffer); |
|
|
if (result != TCL_OK) { |
|
|
if ((force == 0) && (errno == EEXIST)) { |
|
|
Tcl_AppendResult(interp, "error deleting \"", argv[i], |
|
|
"\": directory not empty", (char *) NULL); |
|
|
Tcl_PosixError(interp); |
|
|
goto done; |
|
|
} |
|
|
|
|
|
/* |
|
|
* If possible, use the untranslated name for the file. |
|
|
*/ |
|
|
|
|
|
errfile = Tcl_DStringValue(&errorBuffer); |
|
|
if (strcmp(name, errfile) == 0) { |
|
|
errfile = argv[i]; |
|
|
} |
|
|
} |
|
|
} else { |
|
|
result = TclpDeleteFile(name); |
|
|
} |
|
|
|
|
|
if (result == TCL_ERROR) { |
|
|
break; |
|
|
} |
|
|
} |
|
|
if (result != TCL_OK) { |
|
|
Tcl_AppendResult(interp, "error deleting \"", errfile, |
|
|
"\": ", Tcl_PosixError(interp), (char *) NULL); |
|
|
} |
|
|
done: |
|
|
Tcl_DStringFree(&errorBuffer); |
|
|
Tcl_DStringFree(&nameBuffer); |
|
|
return result; |
|
|
} |
|
|
|
|
|
/* |
|
|
*--------------------------------------------------------------------------- |
|
|
* |
|
|
* CopyRenameOneFile |
|
|
* |
|
|
* Copies or renames specified source file or directory hierarchy |
|
|
* to the specified target. |
|
|
* |
|
|
* Results: |
|
|
* A standard Tcl result. |
|
|
* |
|
|
* Side effects: |
|
|
* Target is overwritten if the force flag is set. Attempting to |
|
|
* copy/rename a file onto a directory or a directory onto a file |
|
|
* will always result in an error. |
|
|
* |
|
|
*---------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static int |
|
|
CopyRenameOneFile(interp, source, target, copyFlag, force) |
|
|
Tcl_Interp *interp; /* Used for error reporting. */ |
|
|
char *source; /* Pathname of file to copy. May need to |
|
|
* be translated. */ |
|
|
char *target; /* Pathname of file to create/overwrite. |
|
|
* May need to be translated. */ |
|
|
int copyFlag; /* If non-zero, copy files. Otherwise, |
|
|
* rename them. */ |
|
|
int force; /* If non-zero, overwrite target file if it |
|
|
* exists. Otherwise, error if target already |
|
|
* exists. */ |
|
|
{ |
|
|
int result; |
|
|
Tcl_DString sourcePath, targetPath, errorBuffer; |
|
|
char *targetName, *sourceName, *errfile; |
|
|
struct stat sourceStatBuf, targetStatBuf; |
|
|
|
|
|
sourceName = Tcl_TranslateFileName(interp, source, &sourcePath); |
|
|
if (sourceName == NULL) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
targetName = Tcl_TranslateFileName(interp, target, &targetPath); |
|
|
if (targetName == NULL) { |
|
|
Tcl_DStringFree(&sourcePath); |
|
|
return TCL_ERROR; |
|
|
} |
|
|
|
|
|
errfile = NULL; |
|
|
result = TCL_ERROR; |
|
|
Tcl_DStringInit(&errorBuffer); |
|
|
|
|
|
/* |
|
|
* We want to copy/rename links and not the files they point to, so we |
|
|
* use lstat(). If target is a link, we also want to replace the |
|
|
* link and not the file it points to, so we also use lstat() on the |
|
|
* target. |
|
|
*/ |
|
|
|
|
|
if (TclpLstat(sourceName, &sourceStatBuf) != 0) { |
|
|
errfile = source; |
|
|
goto done; |
|
|
} |
|
|
if (TclpLstat(targetName, &targetStatBuf) != 0) { |
|
|
if (errno != ENOENT) { |
|
|
errfile = target; |
|
|
goto done; |
|
|
} |
|
|
} else { |
|
|
if (force == 0) { |
|
|
errno = EEXIST; |
|
|
errfile = target; |
|
|
goto done; |
|
|
} |
|
|
|
|
|
/* |
|
|
* Prevent copying or renaming a file onto itself. Under Windows, |
|
|
* stat always returns 0 for st_ino. However, the Windows-specific |
|
|
* code knows how to deal with copying or renaming a file on top of |
|
|
* itself. It might be a good idea to write a stat that worked. |
|
|
*/ |
|
|
|
|
|
if ((sourceStatBuf.st_ino != 0) && (targetStatBuf.st_ino != 0)) { |
|
|
if ((sourceStatBuf.st_ino == targetStatBuf.st_ino) && |
|
|
(sourceStatBuf.st_dev == targetStatBuf.st_dev)) { |
|
|
result = TCL_OK; |
|
|
goto done; |
|
|
} |
|
|
} |
|
|
|
|
|
/* |
|
|
* Prevent copying/renaming a file onto a directory and |
|
|
* vice-versa. This is a policy decision based on the fact that |
|
|
* existing implementations of copy and rename on all platforms |
|
|
* also prevent this. |
|
|
*/ |
|
|
|
|
|
if (S_ISDIR(sourceStatBuf.st_mode) |
|
|
&& !S_ISDIR(targetStatBuf.st_mode)) { |
|
|
errno = EISDIR; |
|
|
Tcl_AppendResult(interp, "can't overwrite file \"", target, |
|
|
"\" with directory \"", source, "\"", (char *) NULL); |
|
|
goto done; |
|
|
} |
|
|
if (!S_ISDIR(sourceStatBuf.st_mode) |
|
|
&& S_ISDIR(targetStatBuf.st_mode)) { |
|
|
errno = EISDIR; |
|
|
Tcl_AppendResult(interp, "can't overwrite directory \"", target, |
|
|
"\" with file \"", source, "\"", (char *) NULL); |
|
|
goto done; |
|
|
} |
|
|
} |
|
|
|
|
|
if (copyFlag == 0) { |
|
|
result = TclpRenameFile(sourceName, targetName); |
|
|
if (result == TCL_OK) { |
|
|
goto done; |
|
|
} |
|
|
|
|
|
if (errno == EINVAL) { |
|
|
Tcl_AppendResult(interp, "error renaming \"", source, "\" to \"", |
|
|
target, "\": trying to rename a volume or ", |
|
|
"move a directory into itself", (char *) NULL); |
|
|
goto done; |
|
|
} else if (errno != EXDEV) { |
|
|
errfile = target; |
|
|
goto done; |
|
|
} |
|
|
|
|
|
/* |
|
|
* The rename failed because the move was across file systems. |
|
|
* Fall through to copy file and then remove original. Note that |
|
|
* the low-level TclpRenameFile is allowed to implement |
|
|
* cross-filesystem moves itself. |
|
|
*/ |
|
|
} |
|
|
|
|
|
if (S_ISDIR(sourceStatBuf.st_mode)) { |
|
|
result = TclpCopyDirectory(sourceName, targetName, &errorBuffer); |
|
|
if (result != TCL_OK) { |
|
|
errfile = Tcl_DStringValue(&errorBuffer); |
|
|
if (strcmp(errfile, sourceName) == 0) { |
|
|
errfile = source; |
|
|
} else if (strcmp(errfile, targetName) == 0) { |
|
|
errfile = target; |
|
|
} |
|
|
} |
|
|
} else { |
|
|
result = TclpCopyFile(sourceName, targetName); |
|
|
if (result != TCL_OK) { |
|
|
/* |
|
|
* Well, there really shouldn't be a problem with source, |
|
|
* because up there we checked to see if it was ok to copy it. |
|
|
*/ |
|
|
|
|
|
errfile = target; |
|
|
} |
|
|
} |
|
|
if ((copyFlag == 0) && (result == TCL_OK)) { |
|
|
if (S_ISDIR(sourceStatBuf.st_mode)) { |
|
|
result = TclpRemoveDirectory(sourceName, 1, &errorBuffer); |
|
|
if (result != TCL_OK) { |
|
|
errfile = Tcl_DStringValue(&errorBuffer); |
|
|
if (strcmp(errfile, sourceName) == 0) { |
|
|
errfile = source; |
|
|
} |
|
|
} |
|
|
} else { |
|
|
result = TclpDeleteFile(sourceName); |
|
|
if (result != TCL_OK) { |
|
|
errfile = source; |
|
|
} |
|
|
} |
|
|
if (result != TCL_OK) { |
|
|
Tcl_AppendResult(interp, "can't unlink \"", errfile, "\": ", |
|
|
Tcl_PosixError(interp), (char *) NULL); |
|
|
errfile = NULL; |
|
|
} |
|
|
} |
|
|
|
|
|
done: |
|
|
if (errfile != NULL) { |
|
|
Tcl_AppendResult(interp, |
|
|
((copyFlag) ? "error copying \"" : "error renaming \""), |
|
|
source, (char *) NULL); |
|
|
if (errfile != source) { |
|
|
Tcl_AppendResult(interp, "\" to \"", target, (char *) NULL); |
|
|
if (errfile != target) { |
|
|
Tcl_AppendResult(interp, "\": \"", errfile, (char *) NULL); |
|
|
} |
|
|
} |
|
|
Tcl_AppendResult(interp, "\": ", Tcl_PosixError(interp), |
|
|
(char *) NULL); |
|
|
} |
|
|
Tcl_DStringFree(&errorBuffer); |
|
|
Tcl_DStringFree(&sourcePath); |
|
|
Tcl_DStringFree(&targetPath); |
|
|
return result; |
|
|
} |
|
|
|
|
|
/* |
|
|
*--------------------------------------------------------------------------- |
|
|
* |
|
|
* FileForceOption -- |
|
|
* |
|
|
* Helps parse command line options for file commands that take |
|
|
* the "-force" and "--" options. |
|
|
* |
|
|
* Results: |
|
|
* The return value is how many arguments from argv were consumed |
|
|
* by this function, or -1 if there was an error parsing the |
|
|
* options. If an error occurred, an error message is left in the |
|
|
* interp's result. |
|
|
* |
|
|
* Side effects: |
|
|
* None. |
|
|
* |
|
|
*--------------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static int |
|
|
FileForceOption(interp, argc, argv, forcePtr) |
|
|
Tcl_Interp *interp; /* Interp, for error return. */ |
|
|
int argc; /* Number of arguments. */ |
|
|
char **argv; /* Argument strings. First command line |
|
|
* option, if it exists, begins at 0. */ |
|
|
int *forcePtr; /* If the "-force" was specified, *forcePtr |
|
|
* is filled with 1, otherwise with 0. */ |
|
|
{ |
|
|
int force, i; |
|
|
|
|
|
force = 0; |
|
|
for (i = 0; i < argc; i++) { |
|
|
if (argv[i][0] != '-') { |
|
|
break; |
|
|
} |
|
|
if (strcmp(argv[i], "-force") == 0) { |
|
|
force = 1; |
|
|
} else if (strcmp(argv[i], "--") == 0) { |
|
|
i++; |
|
|
break; |
|
|
} else { |
|
|
Tcl_AppendResult(interp, "bad option \"", argv[i], |
|
|
"\": should be -force or --", (char *)NULL); |
|
|
return -1; |
|
|
} |
|
|
} |
|
|
*forcePtr = force; |
|
|
return i; |
|
|
} |
|
|
/* |
|
|
*--------------------------------------------------------------------------- |
|
|
* |
|
|
* FileBasename -- |
|
|
* |
|
|
* Given a path in either tcl format (with / separators), or in the |
|
|
* platform-specific format for the current platform, return all the |
|
|
* characters in the path after the last directory separator. But, |
|
|
* if path is the root directory, returns no characters. |
|
|
* |
|
|
* Results: |
|
|
* Appends the string that represents the basename to the end of |
|
|
* the specified initialized DString, returning a pointer to the |
|
|
* resulting string. If there is an error, an error message is left |
|
|
* in interp, NULL is returned, and the Tcl_DString is unmodified. |
|
|
* |
|
|
* Side effects: |
|
|
* None. |
|
|
* |
|
|
*--------------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static char * |
|
|
FileBasename(interp, path, bufferPtr) |
|
|
Tcl_Interp *interp; /* Interp, for error return. */ |
|
|
char *path; /* Path whose basename to extract. */ |
|
|
Tcl_DString *bufferPtr; /* Initialized DString that receives |
|
|
* basename. */ |
|
|
{ |
|
|
int argc; |
|
|
char **argv; |
|
|
|
|
|
Tcl_SplitPath(path, &argc, &argv); |
|
|
if (argc == 0) { |
|
|
Tcl_DStringInit(bufferPtr); |
|
|
} else { |
|
|
if ((argc == 1) && (*path == '~')) { |
|
|
Tcl_DString buffer; |
|
|
|
|
|
ckfree((char *) argv); |
|
|
path = Tcl_TranslateFileName(interp, path, &buffer); |
|
|
if (path == NULL) { |
|
|
return NULL; |
|
|
} |
|
|
Tcl_SplitPath(path, &argc, &argv); |
|
|
Tcl_DStringFree(&buffer); |
|
|
} |
|
|
Tcl_DStringInit(bufferPtr); |
|
|
|
|
|
/* |
|
|
* Return the last component, unless it is the only component, and it |
|
|
* is the root of an absolute path. |
|
|
*/ |
|
|
|
|
|
if (argc > 0) { |
|
|
if ((argc > 1) |
|
|
|| (Tcl_GetPathType(argv[0]) == TCL_PATH_RELATIVE)) { |
|
|
Tcl_DStringAppend(bufferPtr, argv[argc - 1], -1); |
|
|
} |
|
|
} |
|
|
} |
|
|
ckfree((char *) argv); |
|
|
return Tcl_DStringValue(bufferPtr); |
|
|
} |
|
|
|
|
|
/* |
|
|
*---------------------------------------------------------------------- |
|
|
* |
|
|
* TclFileAttrsCmd -- |
|
|
* |
|
|
* Sets or gets the platform-specific attributes of a file. The objc-objv |
|
|
* points to the file name with the rest of the command line following. |
|
|
* This routine uses platform-specific tables of option strings |
|
|
* and callbacks. The callback to get the attributes take three |
|
|
* parameters: |
|
|
* Tcl_Interp *interp; The interp to report errors with. |
|
|
* Since this is an object-based API, |
|
|
* the object form of the result should be |
|
|
* used. |
|
|
* CONST char *fileName; This is extracted using |
|
|
* Tcl_TranslateFileName. |
|
|
* TclObj **attrObjPtrPtr; A new object to hold the attribute |
|
|
* is allocated and put here. |
|
|
* The first two parameters of the callback used to write out the |
|
|
* attributes are the same. The third parameter is: |
|
|
* CONST *attrObjPtr; A pointer to the object that has |
|
|
* the new attribute. |
|
|
* They both return standard TCL errors; if the routine to get |
|
|
* an attribute fails, no object is allocated and *attrObjPtrPtr |
|
|
* is unchanged. |
|
|
* |
|
|
* Results: |
|
|
* Standard TCL error. |
|
|
* |
|
|
* Side effects: |
|
|
* May set file attributes for the file name. |
|
|
* |
|
|
*---------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
int |
|
|
TclFileAttrsCmd(interp, objc, objv) |
|
|
Tcl_Interp *interp; /* The interpreter for error reporting. */ |
|
|
int objc; /* Number of command line arguments. */ |
|
|
Tcl_Obj *CONST objv[]; /* The command line objects. */ |
|
|
{ |
|
|
char *fileName; |
|
|
int result; |
|
|
Tcl_DString buffer; |
|
|
|
|
|
if (objc < 3) { |
|
|
Tcl_WrongNumArgs(interp, 2, objv, |
|
|
"name ?option? ?value? ?option value ...?"); |
|
|
return TCL_ERROR; |
|
|
} |
|
|
|
|
|
fileName = Tcl_GetString(objv[2]); |
|
|
fileName = Tcl_TranslateFileName(interp, fileName, &buffer); |
|
|
if (fileName == NULL) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
|
|
|
objc -= 3; |
|
|
objv += 3; |
|
|
result = TCL_ERROR; |
|
|
|
|
|
if (objc == 0) { |
|
|
/* |
|
|
* Get all attributes. |
|
|
*/ |
|
|
|
|
|
int index; |
|
|
Tcl_Obj *listPtr, *objPtr; |
|
|
|
|
|
listPtr = Tcl_NewListObj(0, NULL); |
|
|
for (index = 0; tclpFileAttrStrings[index] != NULL; index++) { |
|
|
objPtr = Tcl_NewStringObj(tclpFileAttrStrings[index], -1); |
|
|
Tcl_ListObjAppendElement(interp, listPtr, objPtr); |
|
|
|
|
|
if ((*tclpFileAttrProcs[index].getProc)(interp, index, fileName, |
|
|
&objPtr) != TCL_OK) { |
|
|
Tcl_DecrRefCount(listPtr); |
|
|
goto end; |
|
|
} |
|
|
Tcl_ListObjAppendElement(interp, listPtr, objPtr); |
|
|
} |
|
|
Tcl_SetObjResult(interp, listPtr); |
|
|
} else if (objc == 1) { |
|
|
/* |
|
|
* Get one attribute. |
|
|
*/ |
|
|
|
|
|
int index; |
|
|
Tcl_Obj *objPtr; |
|
|
|
|
|
if (Tcl_GetIndexFromObj(interp, objv[0], tclpFileAttrStrings, |
|
|
"option", 0, &index) != TCL_OK) { |
|
|
goto end; |
|
|
} |
|
|
if ((*tclpFileAttrProcs[index].getProc)(interp, index, fileName, |
|
|
&objPtr) != TCL_OK) { |
|
|
goto end; |
|
|
} |
|
|
Tcl_SetObjResult(interp, objPtr); |
|
|
} else { |
|
|
/* |
|
|
* Set option/value pairs. |
|
|
*/ |
|
|
|
|
|
int i, index; |
|
|
|
|
|
for (i = 0; i < objc ; i += 2) { |
|
|
if (Tcl_GetIndexFromObj(interp, objv[i], tclpFileAttrStrings, |
|
|
"option", 0, &index) != TCL_OK) { |
|
|
goto end; |
|
|
} |
|
|
if (i + 1 == objc) { |
|
|
Tcl_AppendResult(interp, "value for \"", |
|
|
Tcl_GetString(objv[i]), "\" missing", |
|
|
(char *) NULL); |
|
|
goto end; |
|
|
} |
|
|
if ((*tclpFileAttrProcs[index].setProc)(interp, index, fileName, |
|
|
objv[i + 1]) != TCL_OK) { |
|
|
goto end; |
|
|
} |
|
|
} |
|
|
} |
|
|
result = TCL_OK; |
|
|
|
|
|
end: |
|
|
Tcl_DStringFree(&buffer); |
|
|
return result; |
|
|
} |
|
|
|
|
|
|
|
|
/* $History: tclfcmd.c $ |
|
|
* |
|
|
* ***************** Version 1 ***************** |
|
|
* User: Dtashley Date: 1/02/01 Time: 1:31a |
|
|
* Created in $/IjuScripter, IjuConsole/Source/Tcl Base |
|
|
* Initial check-in. |
|
|
*/ |
|
|
|
|
|
/* End of TCLFCMD.C */ |
|
1 |
|
/* $Header$ */ |
2 |
|
/* |
3 |
|
* tclFCmd.c |
4 |
|
* |
5 |
|
* This file implements the generic portion of file manipulation |
6 |
|
* subcommands of the "file" command. |
7 |
|
* |
8 |
|
* Copyright (c) 1996-1998 Sun Microsystems, Inc. |
9 |
|
* |
10 |
|
* See the file "license.terms" for information on usage and redistribution |
11 |
|
* of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
12 |
|
* |
13 |
|
* RCS: @(#) $Id: tclfcmd.c,v 1.1.1.1 2001/06/13 04:39:01 dtashley Exp $ |
14 |
|
*/ |
15 |
|
|
16 |
|
#include "tclInt.h" |
17 |
|
#include "tclPort.h" |
18 |
|
|
19 |
|
/* |
20 |
|
* Declarations for local procedures defined in this file: |
21 |
|
*/ |
22 |
|
|
23 |
|
static int CopyRenameOneFile _ANSI_ARGS_((Tcl_Interp *interp, |
24 |
|
char *source, char *dest, int copyFlag, |
25 |
|
int force)); |
26 |
|
static char * FileBasename _ANSI_ARGS_((Tcl_Interp *interp, |
27 |
|
char *path, Tcl_DString *bufferPtr)); |
28 |
|
static int FileCopyRename _ANSI_ARGS_((Tcl_Interp *interp, |
29 |
|
int argc, char **argv, int copyFlag)); |
30 |
|
static int FileForceOption _ANSI_ARGS_((Tcl_Interp *interp, |
31 |
|
int argc, char **argv, int *forcePtr)); |
32 |
|
|
33 |
|
/* |
34 |
|
*--------------------------------------------------------------------------- |
35 |
|
* |
36 |
|
* TclFileRenameCmd |
37 |
|
* |
38 |
|
* This procedure implements the "rename" subcommand of the "file" |
39 |
|
* command. Filename arguments need to be translated to native |
40 |
|
* format before being passed to platform-specific code that |
41 |
|
* implements rename functionality. |
42 |
|
* |
43 |
|
* Results: |
44 |
|
* A standard Tcl result. |
45 |
|
* |
46 |
|
* Side effects: |
47 |
|
* See the user documentation. |
48 |
|
* |
49 |
|
*--------------------------------------------------------------------------- |
50 |
|
*/ |
51 |
|
|
52 |
|
int |
53 |
|
TclFileRenameCmd(interp, argc, argv) |
54 |
|
Tcl_Interp *interp; /* Interp for error reporting. */ |
55 |
|
int argc; /* Number of arguments. */ |
56 |
|
char **argv; /* Argument strings passed to Tcl_FileCmd. */ |
57 |
|
{ |
58 |
|
return FileCopyRename(interp, argc, argv, 0); |
59 |
|
} |
60 |
|
|
61 |
|
/* |
62 |
|
*--------------------------------------------------------------------------- |
63 |
|
* |
64 |
|
* TclFileCopyCmd |
65 |
|
* |
66 |
|
* This procedure implements the "copy" subcommand of the "file" |
67 |
|
* command. Filename arguments need to be translated to native |
68 |
|
* format before being passed to platform-specific code that |
69 |
|
* implements copy functionality. |
70 |
|
* |
71 |
|
* Results: |
72 |
|
* A standard Tcl result. |
73 |
|
* |
74 |
|
* Side effects: |
75 |
|
* See the user documentation. |
76 |
|
* |
77 |
|
*--------------------------------------------------------------------------- |
78 |
|
*/ |
79 |
|
|
80 |
|
int |
81 |
|
TclFileCopyCmd(interp, argc, argv) |
82 |
|
Tcl_Interp *interp; /* Used for error reporting */ |
83 |
|
int argc; /* Number of arguments. */ |
84 |
|
char **argv; /* Argument strings passed to Tcl_FileCmd. */ |
85 |
|
{ |
86 |
|
return FileCopyRename(interp, argc, argv, 1); |
87 |
|
} |
88 |
|
|
89 |
|
/* |
90 |
|
*--------------------------------------------------------------------------- |
91 |
|
* |
92 |
|
* FileCopyRename -- |
93 |
|
* |
94 |
|
* Performs the work of TclFileRenameCmd and TclFileCopyCmd. |
95 |
|
* See comments for those procedures. |
96 |
|
* |
97 |
|
* Results: |
98 |
|
* See above. |
99 |
|
* |
100 |
|
* Side effects: |
101 |
|
* See above. |
102 |
|
* |
103 |
|
*--------------------------------------------------------------------------- |
104 |
|
*/ |
105 |
|
|
106 |
|
static int |
107 |
|
FileCopyRename(interp, argc, argv, copyFlag) |
108 |
|
Tcl_Interp *interp; /* Used for error reporting. */ |
109 |
|
int argc; /* Number of arguments. */ |
110 |
|
char **argv; /* Argument strings passed to Tcl_FileCmd. */ |
111 |
|
int copyFlag; /* If non-zero, copy source(s). Otherwise, |
112 |
|
* rename them. */ |
113 |
|
{ |
114 |
|
int i, result, force; |
115 |
|
struct stat statBuf; |
116 |
|
Tcl_DString targetBuffer; |
117 |
|
char *target; |
118 |
|
|
119 |
|
i = FileForceOption(interp, argc - 2, argv + 2, &force); |
120 |
|
if (i < 0) { |
121 |
|
return TCL_ERROR; |
122 |
|
} |
123 |
|
i += 2; |
124 |
|
if ((argc - i) < 2) { |
125 |
|
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], |
126 |
|
" ", argv[1], " ?options? source ?source ...? target\"", |
127 |
|
(char *) NULL); |
128 |
|
return TCL_ERROR; |
129 |
|
} |
130 |
|
|
131 |
|
/* |
132 |
|
* If target doesn't exist or isn't a directory, try the copy/rename. |
133 |
|
* More than 2 arguments is only valid if the target is an existing |
134 |
|
* directory. |
135 |
|
*/ |
136 |
|
|
137 |
|
target = Tcl_TranslateFileName(interp, argv[argc - 1], &targetBuffer); |
138 |
|
if (target == NULL) { |
139 |
|
return TCL_ERROR; |
140 |
|
} |
141 |
|
|
142 |
|
result = TCL_OK; |
143 |
|
|
144 |
|
/* |
145 |
|
* Call TclStat() so that if target is a symlink that points to a |
146 |
|
* directory we will put the sources in that directory instead of |
147 |
|
* overwriting the symlink. |
148 |
|
*/ |
149 |
|
|
150 |
|
if ((TclStat(target, &statBuf) != 0) || !S_ISDIR(statBuf.st_mode)) { |
151 |
|
if ((argc - i) > 2) { |
152 |
|
errno = ENOTDIR; |
153 |
|
Tcl_PosixError(interp); |
154 |
|
Tcl_AppendResult(interp, "error ", |
155 |
|
((copyFlag) ? "copying" : "renaming"), ": target \"", |
156 |
|
argv[argc - 1], "\" is not a directory", (char *) NULL); |
157 |
|
result = TCL_ERROR; |
158 |
|
} else { |
159 |
|
/* |
160 |
|
* Even though already have target == translated(argv[i+1]), |
161 |
|
* pass the original argument down, so if there's an error, the |
162 |
|
* error message will reflect the original arguments. |
163 |
|
*/ |
164 |
|
|
165 |
|
result = CopyRenameOneFile(interp, argv[i], argv[i + 1], copyFlag, |
166 |
|
force); |
167 |
|
} |
168 |
|
Tcl_DStringFree(&targetBuffer); |
169 |
|
return result; |
170 |
|
} |
171 |
|
|
172 |
|
/* |
173 |
|
* Move each source file into target directory. Extract the basename |
174 |
|
* from each source, and append it to the end of the target path. |
175 |
|
*/ |
176 |
|
|
177 |
|
for ( ; i < argc - 1; i++) { |
178 |
|
char *jargv[2]; |
179 |
|
char *source, *newFileName; |
180 |
|
Tcl_DString sourceBuffer, newFileNameBuffer; |
181 |
|
|
182 |
|
source = FileBasename(interp, argv[i], &sourceBuffer); |
183 |
|
if (source == NULL) { |
184 |
|
result = TCL_ERROR; |
185 |
|
break; |
186 |
|
} |
187 |
|
jargv[0] = argv[argc - 1]; |
188 |
|
jargv[1] = source; |
189 |
|
Tcl_DStringInit(&newFileNameBuffer); |
190 |
|
newFileName = Tcl_JoinPath(2, jargv, &newFileNameBuffer); |
191 |
|
result = CopyRenameOneFile(interp, argv[i], newFileName, copyFlag, |
192 |
|
force); |
193 |
|
Tcl_DStringFree(&sourceBuffer); |
194 |
|
Tcl_DStringFree(&newFileNameBuffer); |
195 |
|
|
196 |
|
if (result == TCL_ERROR) { |
197 |
|
break; |
198 |
|
} |
199 |
|
} |
200 |
|
Tcl_DStringFree(&targetBuffer); |
201 |
|
return result; |
202 |
|
} |
203 |
|
|
204 |
|
/* |
205 |
|
*--------------------------------------------------------------------------- |
206 |
|
* |
207 |
|
* TclFileMakeDirsCmd |
208 |
|
* |
209 |
|
* This procedure implements the "mkdir" subcommand of the "file" |
210 |
|
* command. Filename arguments need to be translated to native |
211 |
|
* format before being passed to platform-specific code that |
212 |
|
* implements mkdir functionality. |
213 |
|
* |
214 |
|
* Results: |
215 |
|
* A standard Tcl result. |
216 |
|
* |
217 |
|
* Side effects: |
218 |
|
* See the user documentation. |
219 |
|
* |
220 |
|
*---------------------------------------------------------------------- |
221 |
|
*/ |
222 |
|
int |
223 |
|
TclFileMakeDirsCmd(interp, argc, argv) |
224 |
|
Tcl_Interp *interp; /* Used for error reporting. */ |
225 |
|
int argc; /* Number of arguments */ |
226 |
|
char **argv; /* Argument strings passed to Tcl_FileCmd. */ |
227 |
|
{ |
228 |
|
Tcl_DString nameBuffer, targetBuffer; |
229 |
|
char *errfile; |
230 |
|
int result, i, j, pargc; |
231 |
|
char **pargv; |
232 |
|
struct stat statBuf; |
233 |
|
|
234 |
|
pargv = NULL; |
235 |
|
errfile = NULL; |
236 |
|
Tcl_DStringInit(&nameBuffer); |
237 |
|
Tcl_DStringInit(&targetBuffer); |
238 |
|
|
239 |
|
result = TCL_OK; |
240 |
|
for (i = 2; i < argc; i++) { |
241 |
|
char *name = Tcl_TranslateFileName(interp, argv[i], &nameBuffer); |
242 |
|
if (name == NULL) { |
243 |
|
result = TCL_ERROR; |
244 |
|
break; |
245 |
|
} |
246 |
|
|
247 |
|
Tcl_SplitPath(name, &pargc, &pargv); |
248 |
|
if (pargc == 0) { |
249 |
|
errno = ENOENT; |
250 |
|
errfile = argv[i]; |
251 |
|
break; |
252 |
|
} |
253 |
|
for (j = 0; j < pargc; j++) { |
254 |
|
char *target = Tcl_JoinPath(j + 1, pargv, &targetBuffer); |
255 |
|
|
256 |
|
/* |
257 |
|
* Call TclStat() so that if target is a symlink that points |
258 |
|
* to a directory we will create subdirectories in that |
259 |
|
* directory. |
260 |
|
*/ |
261 |
|
|
262 |
|
if (TclStat(target, &statBuf) == 0) { |
263 |
|
if (!S_ISDIR(statBuf.st_mode)) { |
264 |
|
errno = EEXIST; |
265 |
|
errfile = target; |
266 |
|
goto done; |
267 |
|
} |
268 |
|
} else if ((errno != ENOENT) |
269 |
|
|| (TclpCreateDirectory(target) != TCL_OK)) { |
270 |
|
errfile = target; |
271 |
|
goto done; |
272 |
|
} |
273 |
|
Tcl_DStringFree(&targetBuffer); |
274 |
|
} |
275 |
|
ckfree((char *) pargv); |
276 |
|
pargv = NULL; |
277 |
|
Tcl_DStringFree(&nameBuffer); |
278 |
|
} |
279 |
|
|
280 |
|
done: |
281 |
|
if (errfile != NULL) { |
282 |
|
Tcl_AppendResult(interp, "can't create directory \"", |
283 |
|
errfile, "\": ", Tcl_PosixError(interp), (char *) NULL); |
284 |
|
result = TCL_ERROR; |
285 |
|
} |
286 |
|
|
287 |
|
Tcl_DStringFree(&nameBuffer); |
288 |
|
Tcl_DStringFree(&targetBuffer); |
289 |
|
if (pargv != NULL) { |
290 |
|
ckfree((char *) pargv); |
291 |
|
} |
292 |
|
return result; |
293 |
|
} |
294 |
|
|
295 |
|
/* |
296 |
|
*---------------------------------------------------------------------- |
297 |
|
* |
298 |
|
* TclFileDeleteCmd |
299 |
|
* |
300 |
|
* This procedure implements the "delete" subcommand of the "file" |
301 |
|
* command. |
302 |
|
* |
303 |
|
* Results: |
304 |
|
* A standard Tcl result. |
305 |
|
* |
306 |
|
* Side effects: |
307 |
|
* See the user documentation. |
308 |
|
* |
309 |
|
*---------------------------------------------------------------------- |
310 |
|
*/ |
311 |
|
|
312 |
|
int |
313 |
|
TclFileDeleteCmd(interp, argc, argv) |
314 |
|
Tcl_Interp *interp; /* Used for error reporting */ |
315 |
|
int argc; /* Number of arguments */ |
316 |
|
char **argv; /* Argument strings passed to Tcl_FileCmd. */ |
317 |
|
{ |
318 |
|
Tcl_DString nameBuffer, errorBuffer; |
319 |
|
int i, force, result; |
320 |
|
char *errfile; |
321 |
|
|
322 |
|
i = FileForceOption(interp, argc - 2, argv + 2, &force); |
323 |
|
if (i < 0) { |
324 |
|
return TCL_ERROR; |
325 |
|
} |
326 |
|
i += 2; |
327 |
|
if ((argc - i) < 1) { |
328 |
|
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], |
329 |
|
" ", argv[1], " ?options? file ?file ...?\"", (char *) NULL); |
330 |
|
return TCL_ERROR; |
331 |
|
} |
332 |
|
|
333 |
|
errfile = NULL; |
334 |
|
result = TCL_OK; |
335 |
|
Tcl_DStringInit(&errorBuffer); |
336 |
|
Tcl_DStringInit(&nameBuffer); |
337 |
|
|
338 |
|
for ( ; i < argc; i++) { |
339 |
|
struct stat statBuf; |
340 |
|
char *name; |
341 |
|
|
342 |
|
errfile = argv[i]; |
343 |
|
Tcl_DStringSetLength(&nameBuffer, 0); |
344 |
|
name = Tcl_TranslateFileName(interp, argv[i], &nameBuffer); |
345 |
|
if (name == NULL) { |
346 |
|
result = TCL_ERROR; |
347 |
|
goto done; |
348 |
|
} |
349 |
|
|
350 |
|
/* |
351 |
|
* Call lstat() to get info so can delete symbolic link itself. |
352 |
|
*/ |
353 |
|
|
354 |
|
if (TclpLstat(name, &statBuf) != 0) { |
355 |
|
/* |
356 |
|
* Trying to delete a file that does not exist is not |
357 |
|
* considered an error, just a no-op |
358 |
|
*/ |
359 |
|
|
360 |
|
if (errno != ENOENT) { |
361 |
|
result = TCL_ERROR; |
362 |
|
} |
363 |
|
} else if (S_ISDIR(statBuf.st_mode)) { |
364 |
|
result = TclpRemoveDirectory(name, force, &errorBuffer); |
365 |
|
if (result != TCL_OK) { |
366 |
|
if ((force == 0) && (errno == EEXIST)) { |
367 |
|
Tcl_AppendResult(interp, "error deleting \"", argv[i], |
368 |
|
"\": directory not empty", (char *) NULL); |
369 |
|
Tcl_PosixError(interp); |
370 |
|
goto done; |
371 |
|
} |
372 |
|
|
373 |
|
/* |
374 |
|
* If possible, use the untranslated name for the file. |
375 |
|
*/ |
376 |
|
|
377 |
|
errfile = Tcl_DStringValue(&errorBuffer); |
378 |
|
if (strcmp(name, errfile) == 0) { |
379 |
|
errfile = argv[i]; |
380 |
|
} |
381 |
|
} |
382 |
|
} else { |
383 |
|
result = TclpDeleteFile(name); |
384 |
|
} |
385 |
|
|
386 |
|
if (result == TCL_ERROR) { |
387 |
|
break; |
388 |
|
} |
389 |
|
} |
390 |
|
if (result != TCL_OK) { |
391 |
|
Tcl_AppendResult(interp, "error deleting \"", errfile, |
392 |
|
"\": ", Tcl_PosixError(interp), (char *) NULL); |
393 |
|
} |
394 |
|
done: |
395 |
|
Tcl_DStringFree(&errorBuffer); |
396 |
|
Tcl_DStringFree(&nameBuffer); |
397 |
|
return result; |
398 |
|
} |
399 |
|
|
400 |
|
/* |
401 |
|
*--------------------------------------------------------------------------- |
402 |
|
* |
403 |
|
* CopyRenameOneFile |
404 |
|
* |
405 |
|
* Copies or renames specified source file or directory hierarchy |
406 |
|
* to the specified target. |
407 |
|
* |
408 |
|
* Results: |
409 |
|
* A standard Tcl result. |
410 |
|
* |
411 |
|
* Side effects: |
412 |
|
* Target is overwritten if the force flag is set. Attempting to |
413 |
|
* copy/rename a file onto a directory or a directory onto a file |
414 |
|
* will always result in an error. |
415 |
|
* |
416 |
|
*---------------------------------------------------------------------- |
417 |
|
*/ |
418 |
|
|
419 |
|
static int |
420 |
|
CopyRenameOneFile(interp, source, target, copyFlag, force) |
421 |
|
Tcl_Interp *interp; /* Used for error reporting. */ |
422 |
|
char *source; /* Pathname of file to copy. May need to |
423 |
|
* be translated. */ |
424 |
|
char *target; /* Pathname of file to create/overwrite. |
425 |
|
* May need to be translated. */ |
426 |
|
int copyFlag; /* If non-zero, copy files. Otherwise, |
427 |
|
* rename them. */ |
428 |
|
int force; /* If non-zero, overwrite target file if it |
429 |
|
* exists. Otherwise, error if target already |
430 |
|
* exists. */ |
431 |
|
{ |
432 |
|
int result; |
433 |
|
Tcl_DString sourcePath, targetPath, errorBuffer; |
434 |
|
char *targetName, *sourceName, *errfile; |
435 |
|
struct stat sourceStatBuf, targetStatBuf; |
436 |
|
|
437 |
|
sourceName = Tcl_TranslateFileName(interp, source, &sourcePath); |
438 |
|
if (sourceName == NULL) { |
439 |
|
return TCL_ERROR; |
440 |
|
} |
441 |
|
targetName = Tcl_TranslateFileName(interp, target, &targetPath); |
442 |
|
if (targetName == NULL) { |
443 |
|
Tcl_DStringFree(&sourcePath); |
444 |
|
return TCL_ERROR; |
445 |
|
} |
446 |
|
|
447 |
|
errfile = NULL; |
448 |
|
result = TCL_ERROR; |
449 |
|
Tcl_DStringInit(&errorBuffer); |
450 |
|
|
451 |
|
/* |
452 |
|
* We want to copy/rename links and not the files they point to, so we |
453 |
|
* use lstat(). If target is a link, we also want to replace the |
454 |
|
* link and not the file it points to, so we also use lstat() on the |
455 |
|
* target. |
456 |
|
*/ |
457 |
|
|
458 |
|
if (TclpLstat(sourceName, &sourceStatBuf) != 0) { |
459 |
|
errfile = source; |
460 |
|
goto done; |
461 |
|
} |
462 |
|
if (TclpLstat(targetName, &targetStatBuf) != 0) { |
463 |
|
if (errno != ENOENT) { |
464 |
|
errfile = target; |
465 |
|
goto done; |
466 |
|
} |
467 |
|
} else { |
468 |
|
if (force == 0) { |
469 |
|
errno = EEXIST; |
470 |
|
errfile = target; |
471 |
|
goto done; |
472 |
|
} |
473 |
|
|
474 |
|
/* |
475 |
|
* Prevent copying or renaming a file onto itself. Under Windows, |
476 |
|
* stat always returns 0 for st_ino. However, the Windows-specific |
477 |
|
* code knows how to deal with copying or renaming a file on top of |
478 |
|
* itself. It might be a good idea to write a stat that worked. |
479 |
|
*/ |
480 |
|
|
481 |
|
if ((sourceStatBuf.st_ino != 0) && (targetStatBuf.st_ino != 0)) { |
482 |
|
if ((sourceStatBuf.st_ino == targetStatBuf.st_ino) && |
483 |
|
(sourceStatBuf.st_dev == targetStatBuf.st_dev)) { |
484 |
|
result = TCL_OK; |
485 |
|
goto done; |
486 |
|
} |
487 |
|
} |
488 |
|
|
489 |
|
/* |
490 |
|
* Prevent copying/renaming a file onto a directory and |
491 |
|
* vice-versa. This is a policy decision based on the fact that |
492 |
|
* existing implementations of copy and rename on all platforms |
493 |
|
* also prevent this. |
494 |
|
*/ |
495 |
|
|
496 |
|
if (S_ISDIR(sourceStatBuf.st_mode) |
497 |
|
&& !S_ISDIR(targetStatBuf.st_mode)) { |
498 |
|
errno = EISDIR; |
499 |
|
Tcl_AppendResult(interp, "can't overwrite file \"", target, |
500 |
|
"\" with directory \"", source, "\"", (char *) NULL); |
501 |
|
goto done; |
502 |
|
} |
503 |
|
if (!S_ISDIR(sourceStatBuf.st_mode) |
504 |
|
&& S_ISDIR(targetStatBuf.st_mode)) { |
505 |
|
errno = EISDIR; |
506 |
|
Tcl_AppendResult(interp, "can't overwrite directory \"", target, |
507 |
|
"\" with file \"", source, "\"", (char *) NULL); |
508 |
|
goto done; |
509 |
|
} |
510 |
|
} |
511 |
|
|
512 |
|
if (copyFlag == 0) { |
513 |
|
result = TclpRenameFile(sourceName, targetName); |
514 |
|
if (result == TCL_OK) { |
515 |
|
goto done; |
516 |
|
} |
517 |
|
|
518 |
|
if (errno == EINVAL) { |
519 |
|
Tcl_AppendResult(interp, "error renaming \"", source, "\" to \"", |
520 |
|
target, "\": trying to rename a volume or ", |
521 |
|
"move a directory into itself", (char *) NULL); |
522 |
|
goto done; |
523 |
|
} else if (errno != EXDEV) { |
524 |
|
errfile = target; |
525 |
|
goto done; |
526 |
|
} |
527 |
|
|
528 |
|
/* |
529 |
|
* The rename failed because the move was across file systems. |
530 |
|
* Fall through to copy file and then remove original. Note that |
531 |
|
* the low-level TclpRenameFile is allowed to implement |
532 |
|
* cross-filesystem moves itself. |
533 |
|
*/ |
534 |
|
} |
535 |
|
|
536 |
|
if (S_ISDIR(sourceStatBuf.st_mode)) { |
537 |
|
result = TclpCopyDirectory(sourceName, targetName, &errorBuffer); |
538 |
|
if (result != TCL_OK) { |
539 |
|
errfile = Tcl_DStringValue(&errorBuffer); |
540 |
|
if (strcmp(errfile, sourceName) == 0) { |
541 |
|
errfile = source; |
542 |
|
} else if (strcmp(errfile, targetName) == 0) { |
543 |
|
errfile = target; |
544 |
|
} |
545 |
|
} |
546 |
|
} else { |
547 |
|
result = TclpCopyFile(sourceName, targetName); |
548 |
|
if (result != TCL_OK) { |
549 |
|
/* |
550 |
|
* Well, there really shouldn't be a problem with source, |
551 |
|
* because up there we checked to see if it was ok to copy it. |
552 |
|
*/ |
553 |
|
|
554 |
|
errfile = target; |
555 |
|
} |
556 |
|
} |
557 |
|
if ((copyFlag == 0) && (result == TCL_OK)) { |
558 |
|
if (S_ISDIR(sourceStatBuf.st_mode)) { |
559 |
|
result = TclpRemoveDirectory(sourceName, 1, &errorBuffer); |
560 |
|
if (result != TCL_OK) { |
561 |
|
errfile = Tcl_DStringValue(&errorBuffer); |
562 |
|
if (strcmp(errfile, sourceName) == 0) { |
563 |
|
errfile = source; |
564 |
|
} |
565 |
|
} |
566 |
|
} else { |
567 |
|
result = TclpDeleteFile(sourceName); |
568 |
|
if (result != TCL_OK) { |
569 |
|
errfile = source; |
570 |
|
} |
571 |
|
} |
572 |
|
if (result != TCL_OK) { |
573 |
|
Tcl_AppendResult(interp, "can't unlink \"", errfile, "\": ", |
574 |
|
Tcl_PosixError(interp), (char *) NULL); |
575 |
|
errfile = NULL; |
576 |
|
} |
577 |
|
} |
578 |
|
|
579 |
|
done: |
580 |
|
if (errfile != NULL) { |
581 |
|
Tcl_AppendResult(interp, |
582 |
|
((copyFlag) ? "error copying \"" : "error renaming \""), |
583 |
|
source, (char *) NULL); |
584 |
|
if (errfile != source) { |
585 |
|
Tcl_AppendResult(interp, "\" to \"", target, (char *) NULL); |
586 |
|
if (errfile != target) { |
587 |
|
Tcl_AppendResult(interp, "\": \"", errfile, (char *) NULL); |
588 |
|
} |
589 |
|
} |
590 |
|
Tcl_AppendResult(interp, "\": ", Tcl_PosixError(interp), |
591 |
|
(char *) NULL); |
592 |
|
} |
593 |
|
Tcl_DStringFree(&errorBuffer); |
594 |
|
Tcl_DStringFree(&sourcePath); |
595 |
|
Tcl_DStringFree(&targetPath); |
596 |
|
return result; |
597 |
|
} |
598 |
|
|
599 |
|
/* |
600 |
|
*--------------------------------------------------------------------------- |
601 |
|
* |
602 |
|
* FileForceOption -- |
603 |
|
* |
604 |
|
* Helps parse command line options for file commands that take |
605 |
|
* the "-force" and "--" options. |
606 |
|
* |
607 |
|
* Results: |
608 |
|
* The return value is how many arguments from argv were consumed |
609 |
|
* by this function, or -1 if there was an error parsing the |
610 |
|
* options. If an error occurred, an error message is left in the |
611 |
|
* interp's result. |
612 |
|
* |
613 |
|
* Side effects: |
614 |
|
* None. |
615 |
|
* |
616 |
|
*--------------------------------------------------------------------------- |
617 |
|
*/ |
618 |
|
|
619 |
|
static int |
620 |
|
FileForceOption(interp, argc, argv, forcePtr) |
621 |
|
Tcl_Interp *interp; /* Interp, for error return. */ |
622 |
|
int argc; /* Number of arguments. */ |
623 |
|
char **argv; /* Argument strings. First command line |
624 |
|
* option, if it exists, begins at 0. */ |
625 |
|
int *forcePtr; /* If the "-force" was specified, *forcePtr |
626 |
|
* is filled with 1, otherwise with 0. */ |
627 |
|
{ |
628 |
|
int force, i; |
629 |
|
|
630 |
|
force = 0; |
631 |
|
for (i = 0; i < argc; i++) { |
632 |
|
if (argv[i][0] != '-') { |
633 |
|
break; |
634 |
|
} |
635 |
|
if (strcmp(argv[i], "-force") == 0) { |
636 |
|
force = 1; |
637 |
|
} else if (strcmp(argv[i], "--") == 0) { |
638 |
|
i++; |
639 |
|
break; |
640 |
|
} else { |
641 |
|
Tcl_AppendResult(interp, "bad option \"", argv[i], |
642 |
|
"\": should be -force or --", (char *)NULL); |
643 |
|
return -1; |
644 |
|
} |
645 |
|
} |
646 |
|
*forcePtr = force; |
647 |
|
return i; |
648 |
|
} |
649 |
|
/* |
650 |
|
*--------------------------------------------------------------------------- |
651 |
|
* |
652 |
|
* FileBasename -- |
653 |
|
* |
654 |
|
* Given a path in either tcl format (with / separators), or in the |
655 |
|
* platform-specific format for the current platform, return all the |
656 |
|
* characters in the path after the last directory separator. But, |
657 |
|
* if path is the root directory, returns no characters. |
658 |
|
* |
659 |
|
* Results: |
660 |
|
* Appends the string that represents the basename to the end of |
661 |
|
* the specified initialized DString, returning a pointer to the |
662 |
|
* resulting string. If there is an error, an error message is left |
663 |
|
* in interp, NULL is returned, and the Tcl_DString is unmodified. |
664 |
|
* |
665 |
|
* Side effects: |
666 |
|
* None. |
667 |
|
* |
668 |
|
*--------------------------------------------------------------------------- |
669 |
|
*/ |
670 |
|
|
671 |
|
static char * |
672 |
|
FileBasename(interp, path, bufferPtr) |
673 |
|
Tcl_Interp *interp; /* Interp, for error return. */ |
674 |
|
char *path; /* Path whose basename to extract. */ |
675 |
|
Tcl_DString *bufferPtr; /* Initialized DString that receives |
676 |
|
* basename. */ |
677 |
|
{ |
678 |
|
int argc; |
679 |
|
char **argv; |
680 |
|
|
681 |
|
Tcl_SplitPath(path, &argc, &argv); |
682 |
|
if (argc == 0) { |
683 |
|
Tcl_DStringInit(bufferPtr); |
684 |
|
} else { |
685 |
|
if ((argc == 1) && (*path == '~')) { |
686 |
|
Tcl_DString buffer; |
687 |
|
|
688 |
|
ckfree((char *) argv); |
689 |
|
path = Tcl_TranslateFileName(interp, path, &buffer); |
690 |
|
if (path == NULL) { |
691 |
|
return NULL; |
692 |
|
} |
693 |
|
Tcl_SplitPath(path, &argc, &argv); |
694 |
|
Tcl_DStringFree(&buffer); |
695 |
|
} |
696 |
|
Tcl_DStringInit(bufferPtr); |
697 |
|
|
698 |
|
/* |
699 |
|
* Return the last component, unless it is the only component, and it |
700 |
|
* is the root of an absolute path. |
701 |
|
*/ |
702 |
|
|
703 |
|
if (argc > 0) { |
704 |
|
if ((argc > 1) |
705 |
|
|| (Tcl_GetPathType(argv[0]) == TCL_PATH_RELATIVE)) { |
706 |
|
Tcl_DStringAppend(bufferPtr, argv[argc - 1], -1); |
707 |
|
} |
708 |
|
} |
709 |
|
} |
710 |
|
ckfree((char *) argv); |
711 |
|
return Tcl_DStringValue(bufferPtr); |
712 |
|
} |
713 |
|
|
714 |
|
/* |
715 |
|
*---------------------------------------------------------------------- |
716 |
|
* |
717 |
|
* TclFileAttrsCmd -- |
718 |
|
* |
719 |
|
* Sets or gets the platform-specific attributes of a file. The objc-objv |
720 |
|
* points to the file name with the rest of the command line following. |
721 |
|
* This routine uses platform-specific tables of option strings |
722 |
|
* and callbacks. The callback to get the attributes take three |
723 |
|
* parameters: |
724 |
|
* Tcl_Interp *interp; The interp to report errors with. |
725 |
|
* Since this is an object-based API, |
726 |
|
* the object form of the result should be |
727 |
|
* used. |
728 |
|
* CONST char *fileName; This is extracted using |
729 |
|
* Tcl_TranslateFileName. |
730 |
|
* TclObj **attrObjPtrPtr; A new object to hold the attribute |
731 |
|
* is allocated and put here. |
732 |
|
* The first two parameters of the callback used to write out the |
733 |
|
* attributes are the same. The third parameter is: |
734 |
|
* CONST *attrObjPtr; A pointer to the object that has |
735 |
|
* the new attribute. |
736 |
|
* They both return standard TCL errors; if the routine to get |
737 |
|
* an attribute fails, no object is allocated and *attrObjPtrPtr |
738 |
|
* is unchanged. |
739 |
|
* |
740 |
|
* Results: |
741 |
|
* Standard TCL error. |
742 |
|
* |
743 |
|
* Side effects: |
744 |
|
* May set file attributes for the file name. |
745 |
|
* |
746 |
|
*---------------------------------------------------------------------- |
747 |
|
*/ |
748 |
|
|
749 |
|
int |
750 |
|
TclFileAttrsCmd(interp, objc, objv) |
751 |
|
Tcl_Interp *interp; /* The interpreter for error reporting. */ |
752 |
|
int objc; /* Number of command line arguments. */ |
753 |
|
Tcl_Obj *CONST objv[]; /* The command line objects. */ |
754 |
|
{ |
755 |
|
char *fileName; |
756 |
|
int result; |
757 |
|
Tcl_DString buffer; |
758 |
|
|
759 |
|
if (objc < 3) { |
760 |
|
Tcl_WrongNumArgs(interp, 2, objv, |
761 |
|
"name ?option? ?value? ?option value ...?"); |
762 |
|
return TCL_ERROR; |
763 |
|
} |
764 |
|
|
765 |
|
fileName = Tcl_GetString(objv[2]); |
766 |
|
fileName = Tcl_TranslateFileName(interp, fileName, &buffer); |
767 |
|
if (fileName == NULL) { |
768 |
|
return TCL_ERROR; |
769 |
|
} |
770 |
|
|
771 |
|
objc -= 3; |
772 |
|
objv += 3; |
773 |
|
result = TCL_ERROR; |
774 |
|
|
775 |
|
if (objc == 0) { |
776 |
|
/* |
777 |
|
* Get all attributes. |
778 |
|
*/ |
779 |
|
|
780 |
|
int index; |
781 |
|
Tcl_Obj *listPtr, *objPtr; |
782 |
|
|
783 |
|
listPtr = Tcl_NewListObj(0, NULL); |
784 |
|
for (index = 0; tclpFileAttrStrings[index] != NULL; index++) { |
785 |
|
objPtr = Tcl_NewStringObj(tclpFileAttrStrings[index], -1); |
786 |
|
Tcl_ListObjAppendElement(interp, listPtr, objPtr); |
787 |
|
|
788 |
|
if ((*tclpFileAttrProcs[index].getProc)(interp, index, fileName, |
789 |
|
&objPtr) != TCL_OK) { |
790 |
|
Tcl_DecrRefCount(listPtr); |
791 |
|
goto end; |
792 |
|
} |
793 |
|
Tcl_ListObjAppendElement(interp, listPtr, objPtr); |
794 |
|
} |
795 |
|
Tcl_SetObjResult(interp, listPtr); |
796 |
|
} else if (objc == 1) { |
797 |
|
/* |
798 |
|
* Get one attribute. |
799 |
|
*/ |
800 |
|
|
801 |
|
int index; |
802 |
|
Tcl_Obj *objPtr; |
803 |
|
|
804 |
|
if (Tcl_GetIndexFromObj(interp, objv[0], tclpFileAttrStrings, |
805 |
|
"option", 0, &index) != TCL_OK) { |
806 |
|
goto end; |
807 |
|
} |
808 |
|
if ((*tclpFileAttrProcs[index].getProc)(interp, index, fileName, |
809 |
|
&objPtr) != TCL_OK) { |
810 |
|
goto end; |
811 |
|
} |
812 |
|
Tcl_SetObjResult(interp, objPtr); |
813 |
|
} else { |
814 |
|
/* |
815 |
|
* Set option/value pairs. |
816 |
|
*/ |
817 |
|
|
818 |
|
int i, index; |
819 |
|
|
820 |
|
for (i = 0; i < objc ; i += 2) { |
821 |
|
if (Tcl_GetIndexFromObj(interp, objv[i], tclpFileAttrStrings, |
822 |
|
"option", 0, &index) != TCL_OK) { |
823 |
|
goto end; |
824 |
|
} |
825 |
|
if (i + 1 == objc) { |
826 |
|
Tcl_AppendResult(interp, "value for \"", |
827 |
|
Tcl_GetString(objv[i]), "\" missing", |
828 |
|
(char *) NULL); |
829 |
|
goto end; |
830 |
|
} |
831 |
|
if ((*tclpFileAttrProcs[index].setProc)(interp, index, fileName, |
832 |
|
objv[i + 1]) != TCL_OK) { |
833 |
|
goto end; |
834 |
|
} |
835 |
|
} |
836 |
|
} |
837 |
|
result = TCL_OK; |
838 |
|
|
839 |
|
end: |
840 |
|
Tcl_DStringFree(&buffer); |
841 |
|
return result; |
842 |
|
} |
843 |
|
|
844 |
|
/* End of tclfcmd.c */ |