| 1 |
578 |
markom |
/*
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| 2 |
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* tclFCmd.c
|
| 3 |
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*
|
| 4 |
|
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* This file implements the generic portion of file manipulation
|
| 5 |
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* subcommands of the "file" command.
|
| 6 |
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*
|
| 7 |
|
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* Copyright (c) 1996-1997 Sun Microsystems, Inc.
|
| 8 |
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*
|
| 9 |
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* See the file "license.terms" for information on usage and redistribution
|
| 10 |
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
| 11 |
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*
|
| 12 |
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* RCS: @(#) $Id: tclFCmd.c,v 1.1.1.1 2002-01-16 10:25:27 markom Exp $
|
| 13 |
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*/
|
| 14 |
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|
| 15 |
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#include "tclInt.h"
|
| 16 |
|
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#include "tclPort.h"
|
| 17 |
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|
| 18 |
|
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/*
|
| 19 |
|
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* Declarations for local procedures defined in this file:
|
| 20 |
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*/
|
| 21 |
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|
| 22 |
|
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static int CopyRenameOneFile _ANSI_ARGS_((Tcl_Interp *interp,
|
| 23 |
|
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char *source, char *dest, int copyFlag,
|
| 24 |
|
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int force));
|
| 25 |
|
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static char * FileBasename _ANSI_ARGS_((Tcl_Interp *interp,
|
| 26 |
|
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char *path, Tcl_DString *bufferPtr));
|
| 27 |
|
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static int FileCopyRename _ANSI_ARGS_((Tcl_Interp *interp,
|
| 28 |
|
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int argc, char **argv, int copyFlag));
|
| 29 |
|
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static int FileForceOption _ANSI_ARGS_((Tcl_Interp *interp,
|
| 30 |
|
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int argc, char **argv, int *forcePtr));
|
| 31 |
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|
| 32 |
|
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/*
|
| 33 |
|
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*---------------------------------------------------------------------------
|
| 34 |
|
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*
|
| 35 |
|
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* TclFileRenameCmd
|
| 36 |
|
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*
|
| 37 |
|
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* This procedure implements the "rename" subcommand of the "file"
|
| 38 |
|
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* command. Filename arguments need to be translated to native
|
| 39 |
|
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* format before being passed to platform-specific code that
|
| 40 |
|
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* implements rename functionality.
|
| 41 |
|
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*
|
| 42 |
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* Results:
|
| 43 |
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* A standard Tcl result.
|
| 44 |
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*
|
| 45 |
|
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* Side effects:
|
| 46 |
|
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* See the user documentation.
|
| 47 |
|
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*
|
| 48 |
|
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*---------------------------------------------------------------------------
|
| 49 |
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*/
|
| 50 |
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|
| 51 |
|
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int
|
| 52 |
|
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TclFileRenameCmd(interp, argc, argv)
|
| 53 |
|
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Tcl_Interp *interp; /* Interp for error reporting. */
|
| 54 |
|
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int argc; /* Number of arguments. */
|
| 55 |
|
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char **argv; /* Argument strings passed to Tcl_FileCmd. */
|
| 56 |
|
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{
|
| 57 |
|
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return FileCopyRename(interp, argc, argv, 0);
|
| 58 |
|
|
}
|
| 59 |
|
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|
| 60 |
|
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/*
|
| 61 |
|
|
*---------------------------------------------------------------------------
|
| 62 |
|
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*
|
| 63 |
|
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* TclFileCopyCmd
|
| 64 |
|
|
*
|
| 65 |
|
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* This procedure implements the "copy" subcommand of the "file"
|
| 66 |
|
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* command. Filename arguments need to be translated to native
|
| 67 |
|
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* format before being passed to platform-specific code that
|
| 68 |
|
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* implements copy functionality.
|
| 69 |
|
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*
|
| 70 |
|
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* Results:
|
| 71 |
|
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* A standard Tcl result.
|
| 72 |
|
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*
|
| 73 |
|
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* Side effects:
|
| 74 |
|
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* See the user documentation.
|
| 75 |
|
|
*
|
| 76 |
|
|
*---------------------------------------------------------------------------
|
| 77 |
|
|
*/
|
| 78 |
|
|
|
| 79 |
|
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int
|
| 80 |
|
|
TclFileCopyCmd(interp, argc, argv)
|
| 81 |
|
|
Tcl_Interp *interp; /* Used for error reporting */
|
| 82 |
|
|
int argc; /* Number of arguments. */
|
| 83 |
|
|
char **argv; /* Argument strings passed to Tcl_FileCmd. */
|
| 84 |
|
|
{
|
| 85 |
|
|
return FileCopyRename(interp, argc, argv, 1);
|
| 86 |
|
|
}
|
| 87 |
|
|
|
| 88 |
|
|
/*
|
| 89 |
|
|
*---------------------------------------------------------------------------
|
| 90 |
|
|
*
|
| 91 |
|
|
* FileCopyRename --
|
| 92 |
|
|
*
|
| 93 |
|
|
* Performs the work of TclFileRenameCmd and TclFileCopyCmd.
|
| 94 |
|
|
* See comments for those procedures.
|
| 95 |
|
|
*
|
| 96 |
|
|
* Results:
|
| 97 |
|
|
* See above.
|
| 98 |
|
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*
|
| 99 |
|
|
* Side effects:
|
| 100 |
|
|
* See above.
|
| 101 |
|
|
*
|
| 102 |
|
|
*---------------------------------------------------------------------------
|
| 103 |
|
|
*/
|
| 104 |
|
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|
| 105 |
|
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static int
|
| 106 |
|
|
FileCopyRename(interp, argc, argv, copyFlag)
|
| 107 |
|
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Tcl_Interp *interp; /* Used for error reporting. */
|
| 108 |
|
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int argc; /* Number of arguments. */
|
| 109 |
|
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char **argv; /* Argument strings passed to Tcl_FileCmd. */
|
| 110 |
|
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int copyFlag; /* If non-zero, copy source(s). Otherwise,
|
| 111 |
|
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* rename them. */
|
| 112 |
|
|
{
|
| 113 |
|
|
int i, result, force;
|
| 114 |
|
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struct stat statBuf;
|
| 115 |
|
|
Tcl_DString targetBuffer;
|
| 116 |
|
|
char *target;
|
| 117 |
|
|
|
| 118 |
|
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i = FileForceOption(interp, argc - 2, argv + 2, &force);
|
| 119 |
|
|
if (i < 0) {
|
| 120 |
|
|
return TCL_ERROR;
|
| 121 |
|
|
}
|
| 122 |
|
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i += 2;
|
| 123 |
|
|
if ((argc - i) < 2) {
|
| 124 |
|
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Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
|
| 125 |
|
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" ", argv[1], " ?options? source ?source ...? target\"",
|
| 126 |
|
|
(char *) NULL);
|
| 127 |
|
|
return TCL_ERROR;
|
| 128 |
|
|
}
|
| 129 |
|
|
|
| 130 |
|
|
/*
|
| 131 |
|
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* If target doesn't exist or isn't a directory, try the copy/rename.
|
| 132 |
|
|
* More than 2 arguments is only valid if the target is an existing
|
| 133 |
|
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* directory.
|
| 134 |
|
|
*/
|
| 135 |
|
|
|
| 136 |
|
|
target = Tcl_TranslateFileName(interp, argv[argc - 1], &targetBuffer);
|
| 137 |
|
|
if (target == NULL) {
|
| 138 |
|
|
return TCL_ERROR;
|
| 139 |
|
|
}
|
| 140 |
|
|
|
| 141 |
|
|
result = TCL_OK;
|
| 142 |
|
|
|
| 143 |
|
|
/*
|
| 144 |
|
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* Call TclStat() so that if target is a symlink that points to a
|
| 145 |
|
|
* directory we will put the sources in that directory instead of
|
| 146 |
|
|
* overwriting the symlink.
|
| 147 |
|
|
*/
|
| 148 |
|
|
|
| 149 |
|
|
if ((TclStat(target, &statBuf) != 0) || !S_ISDIR(statBuf.st_mode)) {
|
| 150 |
|
|
if ((argc - i) > 2) {
|
| 151 |
|
|
errno = ENOTDIR;
|
| 152 |
|
|
Tcl_PosixError(interp);
|
| 153 |
|
|
Tcl_AppendResult(interp, "error ",
|
| 154 |
|
|
((copyFlag) ? "copying" : "renaming"), ": target \"",
|
| 155 |
|
|
argv[argc - 1], "\" is not a directory", (char *) NULL);
|
| 156 |
|
|
result = TCL_ERROR;
|
| 157 |
|
|
} else {
|
| 158 |
|
|
/*
|
| 159 |
|
|
* Even though already have target == translated(argv[i+1]),
|
| 160 |
|
|
* pass the original argument down, so if there's an error, the
|
| 161 |
|
|
* error message will reflect the original arguments.
|
| 162 |
|
|
*/
|
| 163 |
|
|
|
| 164 |
|
|
result = CopyRenameOneFile(interp, argv[i], argv[i + 1], copyFlag,
|
| 165 |
|
|
force);
|
| 166 |
|
|
}
|
| 167 |
|
|
Tcl_DStringFree(&targetBuffer);
|
| 168 |
|
|
return result;
|
| 169 |
|
|
}
|
| 170 |
|
|
|
| 171 |
|
|
/*
|
| 172 |
|
|
* Move each source file into target directory. Extract the basename
|
| 173 |
|
|
* from each source, and append it to the end of the target path.
|
| 174 |
|
|
*/
|
| 175 |
|
|
|
| 176 |
|
|
for ( ; i < argc - 1; i++) {
|
| 177 |
|
|
char *jargv[2];
|
| 178 |
|
|
char *source, *newFileName;
|
| 179 |
|
|
Tcl_DString sourceBuffer, newFileNameBuffer;
|
| 180 |
|
|
|
| 181 |
|
|
source = FileBasename(interp, argv[i], &sourceBuffer);
|
| 182 |
|
|
if (source == NULL) {
|
| 183 |
|
|
result = TCL_ERROR;
|
| 184 |
|
|
break;
|
| 185 |
|
|
}
|
| 186 |
|
|
jargv[0] = argv[argc - 1];
|
| 187 |
|
|
jargv[1] = source;
|
| 188 |
|
|
Tcl_DStringInit(&newFileNameBuffer);
|
| 189 |
|
|
newFileName = Tcl_JoinPath(2, jargv, &newFileNameBuffer);
|
| 190 |
|
|
result = CopyRenameOneFile(interp, argv[i], newFileName, copyFlag,
|
| 191 |
|
|
force);
|
| 192 |
|
|
Tcl_DStringFree(&sourceBuffer);
|
| 193 |
|
|
Tcl_DStringFree(&newFileNameBuffer);
|
| 194 |
|
|
|
| 195 |
|
|
if (result == TCL_ERROR) {
|
| 196 |
|
|
break;
|
| 197 |
|
|
}
|
| 198 |
|
|
}
|
| 199 |
|
|
Tcl_DStringFree(&targetBuffer);
|
| 200 |
|
|
return result;
|
| 201 |
|
|
}
|
| 202 |
|
|
|
| 203 |
|
|
/*
|
| 204 |
|
|
*---------------------------------------------------------------------------
|
| 205 |
|
|
*
|
| 206 |
|
|
* TclFileMakeDirsCmd
|
| 207 |
|
|
*
|
| 208 |
|
|
* This procedure implements the "mkdir" subcommand of the "file"
|
| 209 |
|
|
* command. Filename arguments need to be translated to native
|
| 210 |
|
|
* format before being passed to platform-specific code that
|
| 211 |
|
|
* implements mkdir functionality.
|
| 212 |
|
|
*
|
| 213 |
|
|
* Results:
|
| 214 |
|
|
* A standard Tcl result.
|
| 215 |
|
|
*
|
| 216 |
|
|
* Side effects:
|
| 217 |
|
|
* See the user documentation.
|
| 218 |
|
|
*
|
| 219 |
|
|
*----------------------------------------------------------------------
|
| 220 |
|
|
*/
|
| 221 |
|
|
int
|
| 222 |
|
|
TclFileMakeDirsCmd(interp, argc, argv)
|
| 223 |
|
|
Tcl_Interp *interp; /* Used for error reporting. */
|
| 224 |
|
|
int argc; /* Number of arguments */
|
| 225 |
|
|
char **argv; /* Argument strings passed to Tcl_FileCmd. */
|
| 226 |
|
|
{
|
| 227 |
|
|
Tcl_DString nameBuffer, targetBuffer;
|
| 228 |
|
|
char *errfile;
|
| 229 |
|
|
int result, i, j, pargc;
|
| 230 |
|
|
char **pargv;
|
| 231 |
|
|
struct stat statBuf;
|
| 232 |
|
|
|
| 233 |
|
|
pargv = NULL;
|
| 234 |
|
|
errfile = NULL;
|
| 235 |
|
|
Tcl_DStringInit(&nameBuffer);
|
| 236 |
|
|
Tcl_DStringInit(&targetBuffer);
|
| 237 |
|
|
|
| 238 |
|
|
result = TCL_OK;
|
| 239 |
|
|
for (i = 2; i < argc; i++) {
|
| 240 |
|
|
char *name = Tcl_TranslateFileName(interp, argv[i], &nameBuffer);
|
| 241 |
|
|
if (name == NULL) {
|
| 242 |
|
|
result = TCL_ERROR;
|
| 243 |
|
|
break;
|
| 244 |
|
|
}
|
| 245 |
|
|
|
| 246 |
|
|
Tcl_SplitPath(name, &pargc, &pargv);
|
| 247 |
|
|
if (pargc == 0) {
|
| 248 |
|
|
errno = ENOENT;
|
| 249 |
|
|
errfile = argv[i];
|
| 250 |
|
|
break;
|
| 251 |
|
|
}
|
| 252 |
|
|
for (j = 0; j < pargc; j++) {
|
| 253 |
|
|
char *target = Tcl_JoinPath(j + 1, pargv, &targetBuffer);
|
| 254 |
|
|
|
| 255 |
|
|
/*
|
| 256 |
|
|
* Call TclStat() so that if target is a symlink that points
|
| 257 |
|
|
* to a directory we will create subdirectories in that
|
| 258 |
|
|
* directory.
|
| 259 |
|
|
*/
|
| 260 |
|
|
|
| 261 |
|
|
if (TclStat(target, &statBuf) == 0) {
|
| 262 |
|
|
if (!S_ISDIR(statBuf.st_mode)) {
|
| 263 |
|
|
errno = EEXIST;
|
| 264 |
|
|
errfile = target;
|
| 265 |
|
|
goto done;
|
| 266 |
|
|
}
|
| 267 |
|
|
} else if ((errno != ENOENT)
|
| 268 |
|
|
|| (TclpCreateDirectory(target) != TCL_OK)) {
|
| 269 |
|
|
errfile = target;
|
| 270 |
|
|
goto done;
|
| 271 |
|
|
}
|
| 272 |
|
|
Tcl_DStringFree(&targetBuffer);
|
| 273 |
|
|
}
|
| 274 |
|
|
ckfree((char *) pargv);
|
| 275 |
|
|
pargv = NULL;
|
| 276 |
|
|
Tcl_DStringFree(&nameBuffer);
|
| 277 |
|
|
}
|
| 278 |
|
|
|
| 279 |
|
|
done:
|
| 280 |
|
|
if (errfile != NULL) {
|
| 281 |
|
|
Tcl_AppendResult(interp, "can't create directory \"",
|
| 282 |
|
|
errfile, "\": ", Tcl_PosixError(interp), (char *) NULL);
|
| 283 |
|
|
result = TCL_ERROR;
|
| 284 |
|
|
}
|
| 285 |
|
|
|
| 286 |
|
|
Tcl_DStringFree(&nameBuffer);
|
| 287 |
|
|
Tcl_DStringFree(&targetBuffer);
|
| 288 |
|
|
if (pargv != NULL) {
|
| 289 |
|
|
ckfree((char *) pargv);
|
| 290 |
|
|
}
|
| 291 |
|
|
return result;
|
| 292 |
|
|
}
|
| 293 |
|
|
|
| 294 |
|
|
/*
|
| 295 |
|
|
*----------------------------------------------------------------------
|
| 296 |
|
|
*
|
| 297 |
|
|
* TclFileDeleteCmd
|
| 298 |
|
|
*
|
| 299 |
|
|
* This procedure implements the "delete" subcommand of the "file"
|
| 300 |
|
|
* command.
|
| 301 |
|
|
*
|
| 302 |
|
|
* Results:
|
| 303 |
|
|
* A standard Tcl result.
|
| 304 |
|
|
*
|
| 305 |
|
|
* Side effects:
|
| 306 |
|
|
* See the user documentation.
|
| 307 |
|
|
*
|
| 308 |
|
|
*----------------------------------------------------------------------
|
| 309 |
|
|
*/
|
| 310 |
|
|
|
| 311 |
|
|
int
|
| 312 |
|
|
TclFileDeleteCmd(interp, argc, argv)
|
| 313 |
|
|
Tcl_Interp *interp; /* Used for error reporting */
|
| 314 |
|
|
int argc; /* Number of arguments */
|
| 315 |
|
|
char **argv; /* Argument strings passed to Tcl_FileCmd. */
|
| 316 |
|
|
{
|
| 317 |
|
|
Tcl_DString nameBuffer, errorBuffer;
|
| 318 |
|
|
int i, force, result;
|
| 319 |
|
|
char *errfile;
|
| 320 |
|
|
|
| 321 |
|
|
i = FileForceOption(interp, argc - 2, argv + 2, &force);
|
| 322 |
|
|
if (i < 0) {
|
| 323 |
|
|
return TCL_ERROR;
|
| 324 |
|
|
}
|
| 325 |
|
|
i += 2;
|
| 326 |
|
|
if ((argc - i) < 1) {
|
| 327 |
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
|
| 328 |
|
|
" ", argv[1], " ?options? file ?file ...?\"", (char *) NULL);
|
| 329 |
|
|
return TCL_ERROR;
|
| 330 |
|
|
}
|
| 331 |
|
|
|
| 332 |
|
|
errfile = NULL;
|
| 333 |
|
|
result = TCL_OK;
|
| 334 |
|
|
Tcl_DStringInit(&errorBuffer);
|
| 335 |
|
|
Tcl_DStringInit(&nameBuffer);
|
| 336 |
|
|
|
| 337 |
|
|
for ( ; i < argc; i++) {
|
| 338 |
|
|
struct stat statBuf;
|
| 339 |
|
|
char *name;
|
| 340 |
|
|
|
| 341 |
|
|
errfile = argv[i];
|
| 342 |
|
|
Tcl_DStringSetLength(&nameBuffer, 0);
|
| 343 |
|
|
name = Tcl_TranslateFileName(interp, argv[i], &nameBuffer);
|
| 344 |
|
|
if (name == NULL) {
|
| 345 |
|
|
result = TCL_ERROR;
|
| 346 |
|
|
goto done;
|
| 347 |
|
|
}
|
| 348 |
|
|
|
| 349 |
|
|
/*
|
| 350 |
|
|
* Call lstat() to get info so can delete symbolic link itself.
|
| 351 |
|
|
*/
|
| 352 |
|
|
|
| 353 |
|
|
if (lstat(name, &statBuf) != 0) {
|
| 354 |
|
|
/*
|
| 355 |
|
|
* Trying to delete a file that does not exist is not
|
| 356 |
|
|
* considered an error, just a no-op
|
| 357 |
|
|
*/
|
| 358 |
|
|
|
| 359 |
|
|
if (errno != ENOENT) {
|
| 360 |
|
|
result = TCL_ERROR;
|
| 361 |
|
|
}
|
| 362 |
|
|
} else if (S_ISDIR(statBuf.st_mode)) {
|
| 363 |
|
|
result = TclpRemoveDirectory(name, force, &errorBuffer);
|
| 364 |
|
|
if (result != TCL_OK) {
|
| 365 |
|
|
if ((force == 0) && (errno == EEXIST)) {
|
| 366 |
|
|
Tcl_AppendResult(interp, "error deleting \"", argv[i],
|
| 367 |
|
|
"\": directory not empty", (char *) NULL);
|
| 368 |
|
|
Tcl_PosixError(interp);
|
| 369 |
|
|
goto done;
|
| 370 |
|
|
}
|
| 371 |
|
|
|
| 372 |
|
|
/*
|
| 373 |
|
|
* If possible, use the untranslated name for the file.
|
| 374 |
|
|
*/
|
| 375 |
|
|
|
| 376 |
|
|
errfile = Tcl_DStringValue(&errorBuffer);
|
| 377 |
|
|
if (strcmp(name, errfile) == 0) {
|
| 378 |
|
|
errfile = argv[i];
|
| 379 |
|
|
}
|
| 380 |
|
|
}
|
| 381 |
|
|
} else {
|
| 382 |
|
|
result = TclpDeleteFile(name);
|
| 383 |
|
|
}
|
| 384 |
|
|
|
| 385 |
|
|
if (result == TCL_ERROR) {
|
| 386 |
|
|
break;
|
| 387 |
|
|
}
|
| 388 |
|
|
}
|
| 389 |
|
|
if (result != TCL_OK) {
|
| 390 |
|
|
Tcl_AppendResult(interp, "error deleting \"", errfile,
|
| 391 |
|
|
"\": ", Tcl_PosixError(interp), (char *) NULL);
|
| 392 |
|
|
}
|
| 393 |
|
|
done:
|
| 394 |
|
|
Tcl_DStringFree(&errorBuffer);
|
| 395 |
|
|
Tcl_DStringFree(&nameBuffer);
|
| 396 |
|
|
return result;
|
| 397 |
|
|
}
|
| 398 |
|
|
|
| 399 |
|
|
/*
|
| 400 |
|
|
*---------------------------------------------------------------------------
|
| 401 |
|
|
*
|
| 402 |
|
|
* CopyRenameOneFile
|
| 403 |
|
|
*
|
| 404 |
|
|
* Copies or renames specified source file or directory hierarchy
|
| 405 |
|
|
* to the specified target.
|
| 406 |
|
|
*
|
| 407 |
|
|
* Results:
|
| 408 |
|
|
* A standard Tcl result.
|
| 409 |
|
|
*
|
| 410 |
|
|
* Side effects:
|
| 411 |
|
|
* Target is overwritten if the force flag is set. Attempting to
|
| 412 |
|
|
* copy/rename a file onto a directory or a directory onto a file
|
| 413 |
|
|
* will always result in an error.
|
| 414 |
|
|
*
|
| 415 |
|
|
*----------------------------------------------------------------------
|
| 416 |
|
|
*/
|
| 417 |
|
|
|
| 418 |
|
|
static int
|
| 419 |
|
|
CopyRenameOneFile(interp, source, target, copyFlag, force)
|
| 420 |
|
|
Tcl_Interp *interp; /* Used for error reporting. */
|
| 421 |
|
|
char *source; /* Pathname of file to copy. May need to
|
| 422 |
|
|
* be translated. */
|
| 423 |
|
|
char *target; /* Pathname of file to create/overwrite.
|
| 424 |
|
|
* May need to be translated. */
|
| 425 |
|
|
int copyFlag; /* If non-zero, copy files. Otherwise,
|
| 426 |
|
|
* rename them. */
|
| 427 |
|
|
int force; /* If non-zero, overwrite target file if it
|
| 428 |
|
|
* exists. Otherwise, error if target already
|
| 429 |
|
|
* exists. */
|
| 430 |
|
|
{
|
| 431 |
|
|
int result;
|
| 432 |
|
|
Tcl_DString sourcePath, targetPath, errorBuffer;
|
| 433 |
|
|
char *targetName, *sourceName, *errfile;
|
| 434 |
|
|
struct stat sourceStatBuf, targetStatBuf;
|
| 435 |
|
|
|
| 436 |
|
|
sourceName = Tcl_TranslateFileName(interp, source, &sourcePath);
|
| 437 |
|
|
if (sourceName == NULL) {
|
| 438 |
|
|
return TCL_ERROR;
|
| 439 |
|
|
}
|
| 440 |
|
|
targetName = Tcl_TranslateFileName(interp, target, &targetPath);
|
| 441 |
|
|
if (targetName == NULL) {
|
| 442 |
|
|
Tcl_DStringFree(&sourcePath);
|
| 443 |
|
|
return TCL_ERROR;
|
| 444 |
|
|
}
|
| 445 |
|
|
|
| 446 |
|
|
errfile = NULL;
|
| 447 |
|
|
result = TCL_ERROR;
|
| 448 |
|
|
Tcl_DStringInit(&errorBuffer);
|
| 449 |
|
|
|
| 450 |
|
|
/*
|
| 451 |
|
|
* We want to copy/rename links and not the files they point to, so we
|
| 452 |
|
|
* use lstat(). If target is a link, we also want to replace the
|
| 453 |
|
|
* link and not the file it points to, so we also use lstat() on the
|
| 454 |
|
|
* target.
|
| 455 |
|
|
*/
|
| 456 |
|
|
|
| 457 |
|
|
if (lstat(sourceName, &sourceStatBuf) != 0) {
|
| 458 |
|
|
errfile = source;
|
| 459 |
|
|
goto done;
|
| 460 |
|
|
}
|
| 461 |
|
|
if (lstat(targetName, &targetStatBuf) != 0) {
|
| 462 |
|
|
if (errno != ENOENT) {
|
| 463 |
|
|
errfile = target;
|
| 464 |
|
|
goto done;
|
| 465 |
|
|
}
|
| 466 |
|
|
} else {
|
| 467 |
|
|
if (force == 0) {
|
| 468 |
|
|
errno = EEXIST;
|
| 469 |
|
|
errfile = target;
|
| 470 |
|
|
goto done;
|
| 471 |
|
|
}
|
| 472 |
|
|
|
| 473 |
|
|
/*
|
| 474 |
|
|
* Prevent copying or renaming a file onto itself. Under Windows,
|
| 475 |
|
|
* stat always returns 0 for st_ino. However, the Windows-specific
|
| 476 |
|
|
* code knows how to deal with copying or renaming a file on top of
|
| 477 |
|
|
* itself. It might be a good idea to write a stat that worked.
|
| 478 |
|
|
*/
|
| 479 |
|
|
|
| 480 |
|
|
if ((sourceStatBuf.st_ino != 0) && (targetStatBuf.st_ino != 0)) {
|
| 481 |
|
|
if ((sourceStatBuf.st_ino == targetStatBuf.st_ino) &&
|
| 482 |
|
|
(sourceStatBuf.st_dev == targetStatBuf.st_dev)) {
|
| 483 |
|
|
result = TCL_OK;
|
| 484 |
|
|
goto done;
|
| 485 |
|
|
}
|
| 486 |
|
|
}
|
| 487 |
|
|
|
| 488 |
|
|
/*
|
| 489 |
|
|
* Prevent copying/renaming a file onto a directory and
|
| 490 |
|
|
* vice-versa. This is a policy decision based on the fact that
|
| 491 |
|
|
* existing implementations of copy and rename on all platforms
|
| 492 |
|
|
* also prevent this.
|
| 493 |
|
|
*/
|
| 494 |
|
|
|
| 495 |
|
|
if (S_ISDIR(sourceStatBuf.st_mode)
|
| 496 |
|
|
&& !S_ISDIR(targetStatBuf.st_mode)) {
|
| 497 |
|
|
errno = EISDIR;
|
| 498 |
|
|
Tcl_AppendResult(interp, "can't overwrite file \"", target,
|
| 499 |
|
|
"\" with directory \"", source, "\"", (char *) NULL);
|
| 500 |
|
|
goto done;
|
| 501 |
|
|
}
|
| 502 |
|
|
if (!S_ISDIR(sourceStatBuf.st_mode)
|
| 503 |
|
|
&& S_ISDIR(targetStatBuf.st_mode)) {
|
| 504 |
|
|
errno = EISDIR;
|
| 505 |
|
|
Tcl_AppendResult(interp, "can't overwrite directory \"", target,
|
| 506 |
|
|
"\" with file \"", source, "\"", (char *) NULL);
|
| 507 |
|
|
goto done;
|
| 508 |
|
|
}
|
| 509 |
|
|
}
|
| 510 |
|
|
|
| 511 |
|
|
if (copyFlag == 0) {
|
| 512 |
|
|
result = TclpRenameFile(sourceName, targetName);
|
| 513 |
|
|
if (result == TCL_OK) {
|
| 514 |
|
|
goto done;
|
| 515 |
|
|
}
|
| 516 |
|
|
|
| 517 |
|
|
if (errno == EINVAL) {
|
| 518 |
|
|
Tcl_AppendResult(interp, "error renaming \"", source, "\" to \"",
|
| 519 |
|
|
target, "\": trying to rename a volume or ",
|
| 520 |
|
|
"move a directory into itself", (char *) NULL);
|
| 521 |
|
|
goto done;
|
| 522 |
|
|
} else if (errno != EXDEV) {
|
| 523 |
|
|
errfile = target;
|
| 524 |
|
|
goto done;
|
| 525 |
|
|
}
|
| 526 |
|
|
|
| 527 |
|
|
/*
|
| 528 |
|
|
* The rename failed because the move was across file systems.
|
| 529 |
|
|
* Fall through to copy file and then remove original. Note that
|
| 530 |
|
|
* the low-level TclpRenameFile is allowed to implement
|
| 531 |
|
|
* cross-filesystem moves itself.
|
| 532 |
|
|
*/
|
| 533 |
|
|
}
|
| 534 |
|
|
|
| 535 |
|
|
if (S_ISDIR(sourceStatBuf.st_mode)) {
|
| 536 |
|
|
result = TclpCopyDirectory(sourceName, targetName, &errorBuffer);
|
| 537 |
|
|
if (result != TCL_OK) {
|
| 538 |
|
|
errfile = Tcl_DStringValue(&errorBuffer);
|
| 539 |
|
|
if (strcmp(errfile, sourceName) == 0) {
|
| 540 |
|
|
errfile = source;
|
| 541 |
|
|
} else if (strcmp(errfile, targetName) == 0) {
|
| 542 |
|
|
errfile = target;
|
| 543 |
|
|
}
|
| 544 |
|
|
}
|
| 545 |
|
|
} else {
|
| 546 |
|
|
result = TclpCopyFile(sourceName, targetName);
|
| 547 |
|
|
if (result != TCL_OK) {
|
| 548 |
|
|
/*
|
| 549 |
|
|
* Well, there really shouldn't be a problem with source,
|
| 550 |
|
|
* because up there we checked to see if it was ok to copy it.
|
| 551 |
|
|
*/
|
| 552 |
|
|
|
| 553 |
|
|
errfile = target;
|
| 554 |
|
|
}
|
| 555 |
|
|
}
|
| 556 |
|
|
if ((copyFlag == 0) && (result == TCL_OK)) {
|
| 557 |
|
|
if (S_ISDIR(sourceStatBuf.st_mode)) {
|
| 558 |
|
|
result = TclpRemoveDirectory(sourceName, 1, &errorBuffer);
|
| 559 |
|
|
if (result != TCL_OK) {
|
| 560 |
|
|
errfile = Tcl_DStringValue(&errorBuffer);
|
| 561 |
|
|
if (strcmp(errfile, sourceName) == 0) {
|
| 562 |
|
|
errfile = source;
|
| 563 |
|
|
}
|
| 564 |
|
|
}
|
| 565 |
|
|
} else {
|
| 566 |
|
|
result = TclpDeleteFile(sourceName);
|
| 567 |
|
|
if (result != TCL_OK) {
|
| 568 |
|
|
errfile = source;
|
| 569 |
|
|
}
|
| 570 |
|
|
}
|
| 571 |
|
|
if (result != TCL_OK) {
|
| 572 |
|
|
Tcl_AppendResult(interp, "can't unlink \"", errfile, "\": ",
|
| 573 |
|
|
Tcl_PosixError(interp), (char *) NULL);
|
| 574 |
|
|
errfile = NULL;
|
| 575 |
|
|
}
|
| 576 |
|
|
}
|
| 577 |
|
|
|
| 578 |
|
|
done:
|
| 579 |
|
|
if (errfile != NULL) {
|
| 580 |
|
|
Tcl_AppendResult(interp,
|
| 581 |
|
|
((copyFlag) ? "error copying \"" : "error renaming \""),
|
| 582 |
|
|
source, (char *) NULL);
|
| 583 |
|
|
if (errfile != source) {
|
| 584 |
|
|
Tcl_AppendResult(interp, "\" to \"", target, (char *) NULL);
|
| 585 |
|
|
if (errfile != target) {
|
| 586 |
|
|
Tcl_AppendResult(interp, "\": \"", errfile, (char *) NULL);
|
| 587 |
|
|
}
|
| 588 |
|
|
}
|
| 589 |
|
|
Tcl_AppendResult(interp, "\": ", Tcl_PosixError(interp),
|
| 590 |
|
|
(char *) NULL);
|
| 591 |
|
|
}
|
| 592 |
|
|
Tcl_DStringFree(&errorBuffer);
|
| 593 |
|
|
Tcl_DStringFree(&sourcePath);
|
| 594 |
|
|
Tcl_DStringFree(&targetPath);
|
| 595 |
|
|
return result;
|
| 596 |
|
|
}
|
| 597 |
|
|
|
| 598 |
|
|
/*
|
| 599 |
|
|
*---------------------------------------------------------------------------
|
| 600 |
|
|
*
|
| 601 |
|
|
* FileForceOption --
|
| 602 |
|
|
*
|
| 603 |
|
|
* Helps parse command line options for file commands that take
|
| 604 |
|
|
* the "-force" and "--" options.
|
| 605 |
|
|
*
|
| 606 |
|
|
* Results:
|
| 607 |
|
|
* The return value is how many arguments from argv were consumed
|
| 608 |
|
|
* by this function, or -1 if there was an error parsing the
|
| 609 |
|
|
* options. If an error occurred, an error message is left in
|
| 610 |
|
|
* interp->result.
|
| 611 |
|
|
*
|
| 612 |
|
|
* Side effects:
|
| 613 |
|
|
* None.
|
| 614 |
|
|
*
|
| 615 |
|
|
*---------------------------------------------------------------------------
|
| 616 |
|
|
*/
|
| 617 |
|
|
|
| 618 |
|
|
static int
|
| 619 |
|
|
FileForceOption(interp, argc, argv, forcePtr)
|
| 620 |
|
|
Tcl_Interp *interp; /* Interp, for error return. */
|
| 621 |
|
|
int argc; /* Number of arguments. */
|
| 622 |
|
|
char **argv; /* Argument strings. First command line
|
| 623 |
|
|
option, if it exists, begins at */
|
| 624 |
|
|
int *forcePtr; /* If the "-force" was specified, *forcePtr
|
| 625 |
|
|
* is filled with 1, otherwise with 0. */
|
| 626 |
|
|
{
|
| 627 |
|
|
int force, i;
|
| 628 |
|
|
|
| 629 |
|
|
force = 0;
|
| 630 |
|
|
for (i = 0; i < argc; i++) {
|
| 631 |
|
|
if (argv[i][0] != '-') {
|
| 632 |
|
|
break;
|
| 633 |
|
|
}
|
| 634 |
|
|
if (strcmp(argv[i], "-force") == 0) {
|
| 635 |
|
|
force = 1;
|
| 636 |
|
|
} else if (strcmp(argv[i], "--") == 0) {
|
| 637 |
|
|
i++;
|
| 638 |
|
|
break;
|
| 639 |
|
|
} else {
|
| 640 |
|
|
Tcl_AppendResult(interp, "bad option \"", argv[i],
|
| 641 |
|
|
"\": should be -force or --", (char *)NULL);
|
| 642 |
|
|
return -1;
|
| 643 |
|
|
}
|
| 644 |
|
|
}
|
| 645 |
|
|
*forcePtr = force;
|
| 646 |
|
|
return i;
|
| 647 |
|
|
}
|
| 648 |
|
|
/*
|
| 649 |
|
|
*---------------------------------------------------------------------------
|
| 650 |
|
|
*
|
| 651 |
|
|
* FileBasename --
|
| 652 |
|
|
*
|
| 653 |
|
|
* Given a path in either tcl format (with / separators), or in the
|
| 654 |
|
|
* platform-specific format for the current platform, return all the
|
| 655 |
|
|
* characters in the path after the last directory separator. But,
|
| 656 |
|
|
* if path is the root directory, returns no characters.
|
| 657 |
|
|
*
|
| 658 |
|
|
* Results:
|
| 659 |
|
|
* Appends the string that represents the basename to the end of
|
| 660 |
|
|
* the specified initialized DString, returning a pointer to the
|
| 661 |
|
|
* resulting string. If there is an error, an error message is left
|
| 662 |
|
|
* in interp, NULL is returned, and the Tcl_DString is unmodified.
|
| 663 |
|
|
*
|
| 664 |
|
|
* Side effects:
|
| 665 |
|
|
* None.
|
| 666 |
|
|
*
|
| 667 |
|
|
*---------------------------------------------------------------------------
|
| 668 |
|
|
*/
|
| 669 |
|
|
|
| 670 |
|
|
static char *
|
| 671 |
|
|
FileBasename(interp, path, bufferPtr)
|
| 672 |
|
|
Tcl_Interp *interp; /* Interp, for error return. */
|
| 673 |
|
|
char *path; /* Path whose basename to extract. */
|
| 674 |
|
|
Tcl_DString *bufferPtr; /* Initialized DString that receives
|
| 675 |
|
|
* basename. */
|
| 676 |
|
|
{
|
| 677 |
|
|
int argc;
|
| 678 |
|
|
char **argv;
|
| 679 |
|
|
|
| 680 |
|
|
Tcl_SplitPath(path, &argc, &argv);
|
| 681 |
|
|
if (argc == 0) {
|
| 682 |
|
|
Tcl_DStringInit(bufferPtr);
|
| 683 |
|
|
} else {
|
| 684 |
|
|
if ((argc == 1) && (*path == '~')) {
|
| 685 |
|
|
Tcl_DString buffer;
|
| 686 |
|
|
|
| 687 |
|
|
ckfree((char *) argv);
|
| 688 |
|
|
path = Tcl_TranslateFileName(interp, path, &buffer);
|
| 689 |
|
|
if (path == NULL) {
|
| 690 |
|
|
return NULL;
|
| 691 |
|
|
}
|
| 692 |
|
|
Tcl_SplitPath(path, &argc, &argv);
|
| 693 |
|
|
Tcl_DStringFree(&buffer);
|
| 694 |
|
|
}
|
| 695 |
|
|
Tcl_DStringInit(bufferPtr);
|
| 696 |
|
|
|
| 697 |
|
|
/*
|
| 698 |
|
|
* Return the last component, unless it is the only component, and it
|
| 699 |
|
|
* is the root of an absolute path.
|
| 700 |
|
|
*/
|
| 701 |
|
|
|
| 702 |
|
|
if (argc > 0) {
|
| 703 |
|
|
if ((argc > 1)
|
| 704 |
|
|
|| (Tcl_GetPathType(argv[0]) == TCL_PATH_RELATIVE)) {
|
| 705 |
|
|
Tcl_DStringAppend(bufferPtr, argv[argc - 1], -1);
|
| 706 |
|
|
}
|
| 707 |
|
|
}
|
| 708 |
|
|
}
|
| 709 |
|
|
ckfree((char *) argv);
|
| 710 |
|
|
return Tcl_DStringValue(bufferPtr);
|
| 711 |
|
|
}
|
| 712 |
|
|
|
| 713 |
|
|
/*
|
| 714 |
|
|
*----------------------------------------------------------------------
|
| 715 |
|
|
*
|
| 716 |
|
|
* TclFileAttrsCmd --
|
| 717 |
|
|
*
|
| 718 |
|
|
* Sets or gets the platform-specific attributes of a file. The objc-objv
|
| 719 |
|
|
* points to the file name with the rest of the command line following.
|
| 720 |
|
|
* This routine uses platform-specific tables of option strings
|
| 721 |
|
|
* and callbacks. The callback to get the attributes take three
|
| 722 |
|
|
* parameters:
|
| 723 |
|
|
* Tcl_Interp *interp; The interp to report errors with.
|
| 724 |
|
|
* Since this is an object-based API,
|
| 725 |
|
|
* the object form of the result should be
|
| 726 |
|
|
* used.
|
| 727 |
|
|
* CONST char *fileName; This is extracted using
|
| 728 |
|
|
* Tcl_TranslateFileName.
|
| 729 |
|
|
* TclObj **attrObjPtrPtr; A new object to hold the attribute
|
| 730 |
|
|
* is allocated and put here.
|
| 731 |
|
|
* The first two parameters of the callback used to write out the
|
| 732 |
|
|
* attributes are the same. The third parameter is:
|
| 733 |
|
|
* CONST *attrObjPtr; A pointer to the object that has
|
| 734 |
|
|
* the new attribute.
|
| 735 |
|
|
* They both return standard TCL errors; if the routine to get
|
| 736 |
|
|
* an attribute fails, no object is allocated and *attrObjPtrPtr
|
| 737 |
|
|
* is unchanged.
|
| 738 |
|
|
*
|
| 739 |
|
|
* Results:
|
| 740 |
|
|
* Standard TCL error.
|
| 741 |
|
|
*
|
| 742 |
|
|
* Side effects:
|
| 743 |
|
|
* May set file attributes for the file name.
|
| 744 |
|
|
*
|
| 745 |
|
|
*----------------------------------------------------------------------
|
| 746 |
|
|
*/
|
| 747 |
|
|
|
| 748 |
|
|
int
|
| 749 |
|
|
TclFileAttrsCmd(interp, objc, objv)
|
| 750 |
|
|
Tcl_Interp *interp; /* The interpreter for error reporting. */
|
| 751 |
|
|
int objc; /* Number of command line arguments. */
|
| 752 |
|
|
Tcl_Obj *CONST objv[]; /* The command line objects. */
|
| 753 |
|
|
{
|
| 754 |
|
|
Tcl_Obj *resultPtr = Tcl_GetObjResult(interp);
|
| 755 |
|
|
char *fileName;
|
| 756 |
|
|
int length, index;
|
| 757 |
|
|
Tcl_Obj *listObjPtr;
|
| 758 |
|
|
Tcl_Obj *elementObjPtr;
|
| 759 |
|
|
Tcl_DString buffer;
|
| 760 |
|
|
|
| 761 |
|
|
if ((objc > 2) && ((objc % 2) == 0)) {
|
| 762 |
|
|
Tcl_AppendStringsToObj(resultPtr,
|
| 763 |
|
|
"wrong # args: must be \"file attributes name ?option? ?value? ?option value? ...\"",
|
| 764 |
|
|
(char *) NULL);
|
| 765 |
|
|
return TCL_ERROR;
|
| 766 |
|
|
}
|
| 767 |
|
|
|
| 768 |
|
|
fileName = Tcl_GetStringFromObj(objv[0], &length);
|
| 769 |
|
|
if (Tcl_TranslateFileName(interp, fileName, &buffer) == NULL) {
|
| 770 |
|
|
return TCL_ERROR;
|
| 771 |
|
|
}
|
| 772 |
|
|
fileName = Tcl_DStringValue(&buffer);
|
| 773 |
|
|
|
| 774 |
|
|
if (objc == 1) {
|
| 775 |
|
|
listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **) NULL);
|
| 776 |
|
|
|
| 777 |
|
|
for (index = 0; tclpFileAttrStrings[index] != NULL; index++) {
|
| 778 |
|
|
elementObjPtr = Tcl_NewStringObj(tclpFileAttrStrings[index], -1);
|
| 779 |
|
|
Tcl_ListObjAppendElement(interp, listObjPtr, elementObjPtr);
|
| 780 |
|
|
if ((*tclpFileAttrProcs[index].getProc)(interp, index, fileName,
|
| 781 |
|
|
&elementObjPtr) != TCL_OK) {
|
| 782 |
|
|
Tcl_DecrRefCount(listObjPtr);
|
| 783 |
|
|
return TCL_ERROR;
|
| 784 |
|
|
}
|
| 785 |
|
|
Tcl_ListObjAppendElement(interp, listObjPtr, elementObjPtr);
|
| 786 |
|
|
}
|
| 787 |
|
|
Tcl_SetObjResult(interp, listObjPtr);
|
| 788 |
|
|
} else if (objc == 2) {
|
| 789 |
|
|
if (Tcl_GetIndexFromObj(interp, objv[1], tclpFileAttrStrings, "option",
|
| 790 |
|
|
0, &index) != TCL_OK) {
|
| 791 |
|
|
return TCL_ERROR;
|
| 792 |
|
|
}
|
| 793 |
|
|
if ((*tclpFileAttrProcs[index].getProc)(interp, index, fileName,
|
| 794 |
|
|
&elementObjPtr) != TCL_OK) {
|
| 795 |
|
|
return TCL_ERROR;
|
| 796 |
|
|
}
|
| 797 |
|
|
Tcl_SetObjResult(interp, elementObjPtr);
|
| 798 |
|
|
} else {
|
| 799 |
|
|
int i;
|
| 800 |
|
|
|
| 801 |
|
|
for (i = 1; i < objc ; i += 2) {
|
| 802 |
|
|
if (Tcl_GetIndexFromObj(interp, objv[i], tclpFileAttrStrings, "option",
|
| 803 |
|
|
0, &index) != TCL_OK) {
|
| 804 |
|
|
return TCL_ERROR;
|
| 805 |
|
|
}
|
| 806 |
|
|
if ((*tclpFileAttrProcs[index].setProc)(interp, index, fileName,
|
| 807 |
|
|
objv[i + 1]) != TCL_OK) {
|
| 808 |
|
|
return TCL_ERROR;
|
| 809 |
|
|
}
|
| 810 |
|
|
}
|
| 811 |
|
|
}
|
| 812 |
|
|
|
| 813 |
|
|
Tcl_DStringFree(&buffer);
|
| 814 |
|
|
|
| 815 |
|
|
return TCL_OK;
|
| 816 |
|
|
}
|