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
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/* readlink -- obtain contents of symlink.
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Copyright (C) 1998 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-pathmx.h>
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#include <kpathsea/c-unistd.h>
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#include <kpathsea/c-stat.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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* readlink name
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* Returns 0 if name exists and is a symlink, 1 otherwise. The contents
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* of the link are printed on standard output.
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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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#ifdef S_ISLNK
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int status;
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char path[PATH_MAX];
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#endif
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if (argc > 1 && strcmp (argv[1], "--help") == 0) {
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printf("Usage: %s FILE\n\
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If FILE exists and is a symlink, print the contents of the link and\n\
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exit successfully. Otherwise print nothing and fail.\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) 1998 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 one arg */
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if (argc != 2) {
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fprintf(stderr, "%s: Need exactly one argument.\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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#ifdef S_ISLNK
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status = readlink(argv[1], path, PATH_MAX);
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if (status != -1) {
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printf("%.*s\n", status, path);
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return 0;
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}
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#endif
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return 1;
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}
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