diff options
Diffstat (limited to 'src/chgrp.c')
| -rw-r--r-- | src/chgrp.c | 214 |
1 files changed, 109 insertions, 105 deletions
diff --git a/src/chgrp.c b/src/chgrp.c index faf58d3..711737d 100644 --- a/src/chgrp.c +++ b/src/chgrp.c @@ -1,10 +1,10 @@ /* chgrp -- change group ownership of files - Copyright (C) 89, 90, 91, 1995-2006 Free Software Foundation, Inc. + Copyright (C) 1989-2016 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or modify + 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, or (at your option) - any later version. + 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 @@ -12,8 +12,7 @@ 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 Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* Written by David MacKenzie <djm@gnu.ai.mit.edu>. */ @@ -27,23 +26,21 @@ #include "chown-core.h" #include "error.h" #include "fts_.h" -#include "group-member.h" #include "quote.h" #include "root-dev-ino.h" #include "xstrtol.h" -/* The official name of this program (e.g., no `g' prefix). */ +/* The official name of this program (e.g., no 'g' prefix). */ #define PROGRAM_NAME "chgrp" -#define AUTHORS "David MacKenzie", "Jim Meyering" +#define AUTHORS \ + proper_name ("David MacKenzie"), \ + proper_name ("Jim Meyering") #if ! HAVE_ENDGRENT # define endgrent() ((void) 0) #endif -/* The name the program was run with. */ -char *program_name; - /* The argument to the --reference option. Use the group ID of this file. This file must exist. */ static char *reference_file; @@ -86,15 +83,16 @@ parse_group (const char *name) { struct group *grp = getgrnam (name); if (grp) - gid = grp->gr_gid; + gid = grp->gr_gid; else - { - unsigned long int tmp; - if (! (xstrtoul (name, NULL, 10, &tmp, "") == LONGINT_OK - && tmp <= GID_T_MAX)) - error (EXIT_FAILURE, 0, _("invalid group %s"), quote (name)); - gid = tmp; - } + { + unsigned long int tmp; + if (! (xstrtoul (name, NULL, 10, &tmp, "") == LONGINT_OK + && tmp <= GID_T_MAX)) + error (EXIT_FAILURE, 0, _("invalid group: %s"), + quote (name)); + gid = tmp; + } endgrent (); /* Save a file descriptor. */ } @@ -105,41 +103,46 @@ void usage (int status) { if (status != EXIT_SUCCESS) - fprintf (stderr, _("Try `%s --help' for more information.\n"), - program_name); + emit_try_help (); else { printf (_("\ Usage: %s [OPTION]... GROUP FILE...\n\ or: %s [OPTION]... --reference=RFILE FILE...\n\ "), - program_name, program_name); + program_name, program_name); fputs (_("\ Change the group of each FILE to GROUP.\n\ With --reference, change the group of each FILE to that of RFILE.\n\ \n\ +"), stdout); + fputs (_("\ -c, --changes like verbose but report only when a change is made\n\ + -f, --silent, --quiet suppress most error messages\n\ + -v, --verbose output a diagnostic for every file processed\n\ +"), stdout); + fputs (_("\ --dereference affect the referent of each symbolic link (this is\n\ the default), rather than the symbolic link itself\n\ + -h, --no-dereference affect symbolic links instead of any referenced file\n\ "), stdout); fputs (_("\ - -h, --no-dereference affect each symbolic link instead of any referenced\n\ - file (useful only on systems that can change the\n\ + (useful only on systems that can change the\n\ ownership of a symlink)\n\ "), stdout); fputs (_("\ - --no-preserve-root do not treat `/' specially (the default)\n\ - --preserve-root fail to operate recursively on `/'\n\ + --no-preserve-root do not treat '/' specially (the default)\n\ + --preserve-root fail to operate recursively on '/'\n\ "), stdout); fputs (_("\ - -f, --silent, --quiet suppress most error messages\n\ --reference=RFILE use RFILE's group rather than specifying a\n\ GROUP value\n\ +"), stdout); + fputs (_("\ -R, --recursive operate on files and directories recursively\n\ - -v, --verbose output a diagnostic for every file processed\n\ -\n\ "), stdout); fputs (_("\ +\n\ The following options modify how a hierarchy is traversed when the -R\n\ option is also specified. If more than one is specified, only the final\n\ one takes effect.\n\ @@ -159,8 +162,8 @@ Examples:\n\ %s staff /u Change the group of /u to \"staff\".\n\ %s -hR staff /u Change the group of /u and subfiles to \"staff\".\n\ "), - program_name, program_name); - printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT); + program_name, program_name); + emit_ancillary_info (PROGRAM_NAME); } exit (status); } @@ -183,7 +186,7 @@ main (int argc, char **argv) int optc; initialize_main (&argc, &argv); - program_name = argv[0]; + set_program_name (argv[0]); setlocale (LC_ALL, ""); bindtextdomain (PACKAGE, LOCALEDIR); textdomain (PACKAGE); @@ -193,75 +196,75 @@ main (int argc, char **argv) chopt_init (&chopt); while ((optc = getopt_long (argc, argv, "HLPRcfhv", long_options, NULL)) - != -1) + != -1) { switch (optc) - { - case 'H': /* Traverse command-line symlinks-to-directories. */ - bit_flags = FTS_COMFOLLOW | FTS_PHYSICAL; - break; - - case 'L': /* Traverse all symlinks-to-directories. */ - bit_flags = FTS_LOGICAL; - break; - - case 'P': /* Traverse no symlinks-to-directories. */ - bit_flags = FTS_PHYSICAL; - break; - - case 'h': /* --no-dereference: affect symlinks */ - dereference = 0; - break; - - case DEREFERENCE_OPTION: /* --dereference: affect the referent - of each symlink */ - dereference = 1; - break; - - case NO_PRESERVE_ROOT: - preserve_root = false; - break; - - case PRESERVE_ROOT: - preserve_root = true; - break; - - case REFERENCE_FILE_OPTION: - reference_file = optarg; - break; - - case 'R': - chopt.recurse = true; - break; - - case 'c': - chopt.verbosity = V_changes_only; - break; - - case 'f': - chopt.force_silent = true; - break; - - case 'v': - chopt.verbosity = V_high; - break; - - case_GETOPT_HELP_CHAR; - case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS); - default: - usage (EXIT_FAILURE); - } + { + case 'H': /* Traverse command-line symlinks-to-directories. */ + bit_flags = FTS_COMFOLLOW | FTS_PHYSICAL; + break; + + case 'L': /* Traverse all symlinks-to-directories. */ + bit_flags = FTS_LOGICAL; + break; + + case 'P': /* Traverse no symlinks-to-directories. */ + bit_flags = FTS_PHYSICAL; + break; + + case 'h': /* --no-dereference: affect symlinks */ + dereference = 0; + break; + + case DEREFERENCE_OPTION: /* --dereference: affect the referent + of each symlink */ + dereference = 1; + break; + + case NO_PRESERVE_ROOT: + preserve_root = false; + break; + + case PRESERVE_ROOT: + preserve_root = true; + break; + + case REFERENCE_FILE_OPTION: + reference_file = optarg; + break; + + case 'R': + chopt.recurse = true; + break; + + case 'c': + chopt.verbosity = V_changes_only; + break; + + case 'f': + chopt.force_silent = true; + break; + + case 'v': + chopt.verbosity = V_high; + break; + + case_GETOPT_HELP_CHAR; + case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS); + default: + usage (EXIT_FAILURE); + } } if (chopt.recurse) { if (bit_flags == FTS_PHYSICAL) - { - if (dereference == 1) - error (EXIT_FAILURE, 0, - _("-R --dereference requires either -H or -L")); - dereference = 0; - } + { + if (dereference == 1) + error (EXIT_FAILURE, 0, + _("-R --dereference requires either -H or -L")); + dereference = 0; + } } else { @@ -272,9 +275,9 @@ main (int argc, char **argv) if (argc - optind < (reference_file ? 1 : 2)) { if (argc <= optind) - error (0, 0, _("missing operand")); + error (0, 0, _("missing operand")); else - error (0, 0, _("missing operand after %s"), quote (argv[argc - 1])); + error (0, 0, _("missing operand after %s"), quote (argv[argc - 1])); usage (EXIT_FAILURE); } @@ -282,8 +285,8 @@ main (int argc, char **argv) { struct stat ref_stats; if (stat (reference_file, &ref_stats)) - error (EXIT_FAILURE, errno, _("failed to get attributes of %s"), - quote (reference_file)); + error (EXIT_FAILURE, errno, _("failed to get attributes of %s"), + quoteaf (reference_file)); gid = ref_stats.st_gid; chopt.group_name = gid_to_name (ref_stats.st_gid); @@ -295,20 +298,21 @@ main (int argc, char **argv) gid = parse_group (group_name); } - if (chopt.recurse & preserve_root) + if (chopt.recurse && preserve_root) { static struct dev_ino dev_ino_buf; chopt.root_dev_ino = get_root_dev_ino (&dev_ino_buf); if (chopt.root_dev_ino == NULL) - error (EXIT_FAILURE, errno, _("failed to get attributes of %s"), - quote ("/")); + error (EXIT_FAILURE, errno, _("failed to get attributes of %s"), + quoteaf ("/")); } + bit_flags |= FTS_DEFER_STAT; ok = chown_files (argv + optind, bit_flags, - (uid_t) -1, gid, - (uid_t) -1, (gid_t) -1, &chopt); + (uid_t) -1, gid, + (uid_t) -1, (gid_t) -1, &chopt); chopt_free (&chopt); - exit (ok ? EXIT_SUCCESS : EXIT_FAILURE); + return ok ? EXIT_SUCCESS : EXIT_FAILURE; } |