+++ /dev/null
-/* realpath - return the canonicalized absolute pathname
- * Copyright (C) 2001 Steven Barker
- *
- * 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 3 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, see <http://www.gnu.org/licenses/>.
- *
- * See the COPYING file for full license information.
- */
-
-/* Modified 2002-01-26 Charles Wilson:
- * -- use popt for option handling
- * -- remove gettext dependency
- */
-
-#if HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "common.h"
-
-#if defined(_WIN32) && !defined(__CYGWIN__)
-#define realpath(a,b) _fullpath(b,a,MAX_PATH)
-#endif /* _WIN32 && !__CYGWIN__ */
-
-/* The official name of this program (e.g., no `g' prefix). */
-#define PROGRAM_NAME "realpath"
-#define AUTHORS "Steven Barker"
-
-static const char versionID[] = PACKAGE_VERSION;
-static const char revID[] =
- "$Id$";
-static const char copyrightID[] =
- "Copyright (c) 2001,...\nSteven Barker. All rights reserved.\nLicensed under GPL v2.0\n";
-
-/* The name this program was run with. */
-static char *program_name;
-static poptContext optCon;
-
-static void printTopDescription (FILE * f, char *name);
-static void printBottomDescription (FILE * f, char *name);
-static const char *getVersion (void);
-static void usage (FILE * f, char *name);
-static void help (FILE * f, char *name);
-static void version (FILE * f, char *name);
-static void license (FILE * f, char *name);
-
-int
-main (int argc, const char **argv)
-{
- const char **rest;
- int rc;
- int ec = 0;
- char *input;
- char *result;
-
- struct poptOption helpOptionsTable[] = {
- {"help", '?', POPT_ARG_NONE, NULL, '?',
- "Show this help message", NULL},
- {"usage", '\0', POPT_ARG_NONE, NULL, 'u',
- "Display brief usage message", NULL},
- {"version", '\0', POPT_ARG_NONE, NULL, 'v',
- "Display version information", NULL},
- {"license", '\0', POPT_ARG_NONE, NULL, 'l',
- "Display licensing information", NULL},
- {NULL, '\0', 0, NULL, 0, NULL, NULL}
- };
-
- struct poptOption opt[] = {
- {NULL, '\0', POPT_ARG_INCLUDE_TABLE, helpOptionsTable, 0,
- "Help options", NULL},
- {NULL, '\0', 0, NULL, 0, NULL, NULL}
- };
-
- if ((program_name = strdup (argv[0])) == NULL)
- {
- fprintf (stderr, "%s: memory allocation error\n", argv[0]);
- exit (1);
- }
- if ((result = malloc (PATH_MAX)) == NULL)
- {
- fprintf (stderr, "%s: memory allocation error\n", program_name);
- free (program_name);
- exit (1);
- }
-
- optCon = poptGetContext (NULL, argc, argv, opt, 0);
- poptSetOtherOptionHelp (optCon, "[OPTIONS...] PATH");
-
- while ((rc = poptGetNextOpt (optCon)) > 0)
- {
- switch (rc)
- {
- case '?':
- help (stdout, program_name);
- goto exit;
- case 'u':
- usage (stdout, program_name);
- goto exit;
- case 'v':
- version (stdout, program_name);
- goto exit;
- case 'l':
- license (stdout, program_name);
- goto exit;
- }
- }
- if (rc < -1)
- {
- fprintf (stderr, "%s: bad argument %s: %s\n",
- program_name, poptBadOption (optCon, POPT_BADOPTION_NOALIAS),
- poptStrerror (rc));
- ec = 2;
- goto exit;
- }
- rest = poptGetArgs (optCon);
-
- if (rest == NULL)
- {
- fprintf (stderr, "%s: not enough arguments\n", program_name);
- usage (stderr, program_name);
- }
- else
- {
- if ((input = strdup (*rest++)) == NULL)
- {
- fprintf (stderr, "%s: memory allocation error\n", program_name);
- ec = 1;
- goto exit;
- }
- if (*rest != NULL)
- { /* should only have ONE member of **rest */
- fprintf (stderr, "%s: too many arguments\n", program_name);
- usage (stderr, program_name);
- free (input);
- }
- else
- {
- if (!realpath (input, result))
- {
- ec = errno;
- perror (program_name);
- free (input);
- goto exit;
- }
- printf ("%s\n", result);
- free (input);
- }
- }
-
-exit:
- poptFreeContext (optCon);
- free (program_name);
- free (result);
- return (ec);
-}
-
-static const char *
-getVersion ()
-{
- return versionID;
-}
-
-static void
-printTopDescription (FILE * f, char *name)
-{
- fprintf (f, "%s is part of cygutils version %s\n", name, getVersion ());
- fprintf (f, "%s was originally authored by %s\n", name, AUTHORS);
- fprintf (f,
- " Print PATH with all references to `.', `..', and symlinks resolved.\n\n");
-}
-static void
-printBottomDescription (FILE * f, char *name)
-{
-/* fprintf(f, "\n");
- * fprintf(f, "Report bugs to <bug-sh-utils@gnu.org>.\n");
- */
-}
-
-static
-printLicense (FILE * f, char *name)
-{
- fprintf (f,
- "This program is free software: you can redistribute it and/or modify\n"
- "it under the terms of the GNU General Public License as published by\n"
- "the Free Software Foundation, either version 3 of the License, or\n"
- "(at your option) any later version.\n\n"
- "This program is distributed in the hope that it will be useful,\n"
- "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
- "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
- "GNU General Public License for more details.\n\n"
- "You should have received a copy of the GNU General Public License\n"
- "along with this program. If not, see <http://www.gnu.org/licenses/>.\n\n"
- "See the COPYING file for full license information.\n");
-}
-
-static void
-usage (FILE * f, char *name)
-{
- poptPrintUsage (optCon, f, 0);
-}
-
-static void
-help (FILE * f, char *name)
-{
- printTopDescription (f, name);
- poptPrintHelp (optCon, f, 0);
- printBottomDescription (f, name);
-}
-
-static void
-version (FILE * f, char *name)
-{
- printTopDescription (f, name);
-}
-
-static void
-license (FILE * f, char *name)
-{
- printTopDescription (f, name);
- printLicense (f, name);
-}
git://cygwin.com / cygwin-apps / cygutils.git / commitdiff