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-rw-r--r--Build/source/texk/kpathsea/kpsestat.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/Build/source/texk/kpathsea/kpsestat.c b/Build/source/texk/kpathsea/kpsestat.c
new file mode 100644
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+++ b/Build/source/texk/kpathsea/kpsestat.c
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+/* kpsestat -- show file permissions of a file in octal form.
+
+ Copyright 1997, 2000, 2001, 2005 Olaf Weber.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+*/
+
+#include <kpathsea/config.h>
+#include <kpathsea/c-stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/*
+ * kpsestat mode x
+ * Print stat bits of file x on stdout, as modified by mode.
+ */
+
+int
+main P2C(int, argc, char **, argv)
+{
+ char * mode_string;
+ int to_set, to_keep, to_clear;
+ int result;
+ struct stat f;
+
+ if (argc > 1 && strcmp (argv[1], "--help") == 0) {
+ printf ("Usage: %s MODE FILE\n\
+ Print octal permissions of FILE as modified by MODE on standard output.\n\
+ MODE is a subset of the symbolic permissions accepted by chmod.\n\
+ Use MODE = to obtain the unchanged permissions.\n\
+\n\
+--help display this help and exit\n\
+--version output version information and exit\n\n", argv[0]);
+ fputs ("Email bug reports to tex-k@mail.tug.org.\n", stdout);
+ exit(0);
+ } else if (argc > 1 && strcmp (argv[1], "--version") == 0) {
+ printf ("%s (%s)\n\
+Copyright (C) 1997 Olaf Weber.\n\
+There is NO warranty. You may redistribute this software\n\
+under the terms of the GNU General Public License.\n\
+For more information about these matters, see the file named GPL.\n\
+Primary author of %s: Olaf Weber.\n",
+argv[0], KPSEVERSION, argv[0]);
+ exit (0);
+ }
+
+ /* insist on exactly two args */
+ if (argc != 3) {
+ fprintf (stderr, "%s: Need exactly two arguments.\n\
+Try `%s --help' for more information.\n", argv[0], argv[0]);
+ exit(1);
+ }
+
+ mode_string = argv[1];
+ to_set = to_keep = to_clear = 0;
+ for (;;++mode_string) {
+ int affected = 0;
+ int action = 0;
+ int value = 0;
+
+ for (;;++mode_string)
+ switch (*mode_string) {
+ case 'u': affected |= 04700; break;
+ case 'g': affected |= 02070; break;
+ case 'o': affected |= 01007; break;
+ case 'a': affected |= 07777; break;
+ default: goto no_more_affected;
+ }
+ no_more_affected:
+ if (affected == 0)
+ affected = 07777;
+ action = *mode_string;
+ ++mode_string;
+ for (;;++mode_string)
+ switch (*mode_string) {
+ case 'r': value |= 00444 & affected; break;
+ case 'w': value |= 00222 & affected; break;
+ case 'x': value |= 00111 & affected; break;
+ case 's': value |= 06000 & affected; break;
+ case 't': value |= 01000 & affected; break;
+ default: goto no_more_values;
+ }
+ no_more_values:
+ switch (action) {
+ case '-': to_clear |= value; break;
+ case '=': to_keep |= value; break;
+ case '+': to_set |= value; break;
+ default:
+ fprintf(stderr, "%s: Invalid mode\n", argv[0]);
+ exit(1);
+ }
+ if (*mode_string != ',')
+ break;
+ }
+ if (*mode_string != 0) {
+ fprintf(stderr, "%s: Invalid mode.\n", argv[0]);
+ exit(1);
+ }
+
+ /* does the file exist? */
+ if (stat (argv[2], &f) < 0) {
+ fprintf(stderr, "%s: ", argv[0]);
+ perror(argv[2]);
+ return 1;
+ }
+
+ result = f.st_mode & 07777;
+ result |= to_set;
+ result |= to_keep & result;
+ result &= ~to_clear;
+
+ printf("%o\n", result);
+
+ return 0;
+}