mirror of
https://invent.kde.org/graphics/okular
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5021c85485
HEAD branch when he updated the kpathsea sources (sorry for the rude word but it took me an hour) svn path=/trunk/kdegraphics/kdvi/; revision=33507
95 lines
3 KiB
C
95 lines
3 KiB
C
/* access -- test for access permissions of a file.
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Copyright (C) 1997 Olaf Weber.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include <stdio.h>
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#include <kpathsea/config.h>
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#include <kpathsea/c-unistd.h>
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#ifdef WIN32
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#include <string.h>
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#endif
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/*
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* access mode x
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* Returns 0 is x exists and can be accessed in accordance with mode.
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* We use this rather than test because test looks at the permissions
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* only, which doesn't take read-only file systems into account.
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*/
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int main (argc, argv)
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int argc;
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char *argv[];
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{
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int mode;
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int status;
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char * i;
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if (argc > 1 && strcmp (argv[1], "--help") == 0) {
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printf("Usage: %s -MODE FILE\n\
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MODE is one or more of rwx. Exit successfully if FILE exists and is\n\
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readable (r), writable (w), or executable (x).\n\
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\n\
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--help display this help and exit\n\
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--version output version information and exit\n\n", argv[0]);
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fputs ("Email bug reports to tex-k@mail.tug.org.\n", stdout);
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exit(0);
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} else if (argc > 1 && strcmp (argv[1], "--version") == 0) {
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printf ("%s (%s)\n\
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Copyright (C) 1997 Olaf Weber.\n\
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There is NO warranty. You may redistribute this software\n\
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under the terms of the GNU General Public License\n\
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For more information about these matters, see the file named COPYING.\n\
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Primary author of %s: Olaf Weber.\n",
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argv[0], KPSEVERSION, argv[0]);
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exit (0);
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}
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/* insist on exactly two args */
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if (argc != 3) {
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fprintf(stderr, "%s: Need exactly two arguments.\n\
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Try `%s --help' for more information.\n", argv[0], argv[0]);
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exit(1);
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}
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/* The option parsing is somewhat primitive: '-' need not be the first
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* character of the mode. The mode must be specified in a single
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* option. Both of these may change.
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*/
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mode = 0;
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i = argv[1];
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for (i = argv[1]; *i; ++i)
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switch (*i) {
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case 'r': mode |= R_OK; break;
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case 'w': mode |= W_OK; break;
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case 'x': mode |= X_OK; break;
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case '-': if (i == argv[1]) break;
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default:
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fprintf(stderr, "%s: Invalid MODE.\n", argv[0]);
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exit(1);
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}
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status = access(argv[2], mode);
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/* fail if the access call failed */
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if (status != 0) {
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return 1;
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}
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/* otherwise, succeed */
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return 0;
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}
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