diff options
Diffstat (limited to 'elf/sln.c')
| -rw-r--r-- | elf/sln.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/elf/sln.c b/elf/sln.c deleted file mode 100644 index af2d0de164..0000000000 --- a/elf/sln.c +++ /dev/null @@ -1,202 +0,0 @@ -/* `sln' program to create symbolic links between files. - Copyright (C) 1998-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <error.h> -#include <errno.h> -#include <libintl.h> -#include <locale.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include <errno.h> -#include <ctype.h> -#include <stdio.h> -#include <string.h> -#include <limits.h> - -#include "../version.h" - -#define PACKAGE _libc_intl_domainname - -static int makesymlink (const char *src, const char *dest); -static int makesymlinks (const char *file); -static void usage (void); - -int -main (int argc, char **argv) -{ - /* Set locale via LC_ALL. */ - setlocale (LC_ALL, ""); - - /* Set the text message domain. */ - textdomain (PACKAGE); - - switch (argc) - { - case 2: - if (strcmp (argv[1], "--version") == 0) { - printf ("sln %s%s\n", PKGVERSION, VERSION); - return 0; - } else if (strcmp (argv[1], "--help") == 0) { - usage (); - return 0; - } - return makesymlinks (argv [1]); - break; - - case 3: - return makesymlink (argv [1], argv [2]); - break; - - default: - usage (); - return 1; - break; - } -} - -static void -usage (void) -{ - printf (_("Usage: sln src dest|file\n\n")); - printf (_("For bug reporting instructions, please see:\n\ -%s.\n"), REPORT_BUGS_TO); -} - -static int -makesymlinks (const char *file) -{ - char *buffer = NULL; - size_t bufferlen = 0; - int ret; - int lineno; - FILE *fp; - - if (strcmp (file, "-") == 0) - fp = stdin; - else - { - fp = fopen (file, "r"); - if (fp == NULL) - { - fprintf (stderr, _("%s: file open error: %m\n"), file); - return 1; - } - } - - ret = 0; - lineno = 0; - while (!feof_unlocked (fp)) - { - ssize_t n = getline (&buffer, &bufferlen, fp); - char *src; - char *dest; - char *cp = buffer; - - if (n < 0) - break; - if (buffer[n - 1] == '\n') - buffer[n - 1] = '\0'; - - ++lineno; - while (isspace (*cp)) - ++cp; - if (*cp == '\0') - /* Ignore empty lines. */ - continue; - src = cp; - - do - ++cp; - while (*cp != '\0' && ! isspace (*cp)); - if (*cp != '\0') - *cp++ = '\0'; - - while (isspace (*cp)) - ++cp; - if (*cp == '\0') - { - fprintf (stderr, _("No target in line %d\n"), lineno); - ret = 1; - continue; - } - dest = cp; - - do - ++cp; - while (*cp != '\0' && ! isspace (*cp)); - if (*cp != '\0') - *cp++ = '\0'; - - ret |= makesymlink (src, dest); - } - fclose (fp); - - return ret; -} - -static int -makesymlink (const char *src, const char *dest) -{ - struct stat64 stats; - const char *error; - - /* Destination must not be a directory. */ - if (lstat64 (dest, &stats) == 0) - { - if (S_ISDIR (stats.st_mode)) - { - fprintf (stderr, _("%s: destination must not be a directory\n"), - dest); - return 1; - } - else if (unlink (dest) && errno != ENOENT) - { - fprintf (stderr, _("%s: failed to remove the old destination\n"), - dest); - return 1; - } - } - else if (errno != ENOENT) - { - error = strerror (errno); - fprintf (stderr, _("%s: invalid destination: %s\n"), dest, error); - return -1; - } - - if (symlink (src, dest) == 0) - { - /* Destination must exist by now. */ - if (access (dest, F_OK)) - { - error = strerror (errno); - unlink (dest); - fprintf (stderr, _("Invalid link from \"%s\" to \"%s\": %s\n"), - src, dest, error); - return 1; - } - return 0; - } - else - { - error = strerror (errno); - fprintf (stderr, _("Invalid link from \"%s\" to \"%s\": %s\n"), - src, dest, error); - return 1; - } -} |