Adding upstream version 5.2.37.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
This commit is contained in:
parent
cf91100bce
commit
fa1b3d3922
GPG key ID:
BCC918A2ABD66424
1435 changed files with 757174 additions and 0 deletions
629
examples/loadables/finfo.c
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629
examples/loadables/finfo.c
Normal file
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@ -0,0 +1,629 @@
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/*
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* finfo - print file info
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*
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* Chet Ramey
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* chet@po.cwru.edu
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*/
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/*
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Copyright (C) 1999-2009 Free Software Foundation, Inc.
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This file is part of GNU Bash.
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Bash 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 3 of the License, or
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(at your option) any later version.
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Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <sys/types.h>
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#ifdef MAJOR_IN_MKDEV
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# include <sys/mkdev.h>
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#endif
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#ifdef MAJOR_IN_SYSMACROS
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# include <sys/sysmacros.h>
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#endif
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#include "posixstat.h"
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#include <stdio.h>
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#include <pwd.h>
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#include <grp.h>
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#include <errno.h>
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#include "posixtime.h"
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#include "bashansi.h"
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#include "shell.h"
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#include "builtins.h"
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#include "common.h"
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#include "getopt.h"
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#ifndef errno
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extern int errno;
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#endif
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extern char **make_builtin_argv ();
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static void perms();
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static int printst();
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static int printsome();
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static void printmode();
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static int printfinfo();
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static int finfo_main();
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extern int sh_optind;
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extern char *sh_optarg;
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extern char *this_command_name;
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static char *prog;
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static int pmask;
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#define OPT_UID 0x00001
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#define OPT_GID 0x00002
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#define OPT_DEV 0x00004
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#define OPT_INO 0x00008
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#define OPT_PERM 0x00010
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#define OPT_LNKNAM 0x00020
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#define OPT_FID 0x00040
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#define OPT_NLINK 0x00080
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#define OPT_RDEV 0x00100
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#define OPT_SIZE 0x00200
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#define OPT_ATIME 0x00400
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#define OPT_MTIME 0x00800
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#define OPT_CTIME 0x01000
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#define OPT_BLKSIZE 0x02000
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#define OPT_BLKS 0x04000
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#define OPT_FTYPE 0x08000
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#define OPT_PMASK 0x10000
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#define OPT_OPERM 0x20000
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#define OPT_ASCII 0x1000000
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#define OPTIONS "acdgiflmnopsuACGMP:U"
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static int
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octal(s)
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char *s;
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{
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int r;
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r = *s - '0';
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while (*++s >= '0' && *s <= '7')
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r = (r * 8) + (*s - '0');
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return r;
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}
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static int
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finfo_main(argc, argv)
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int argc;
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char **argv;
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{
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register int i;
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int mode, flags, opt;
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sh_optind = 0; /* XXX */
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prog = base_pathname(argv[0]);
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if (argc == 1) {
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builtin_usage();
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return(1);
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}
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flags = 0;
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while ((opt = sh_getopt(argc, argv, OPTIONS)) != EOF) {
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switch(opt) {
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case 'a': flags |= OPT_ATIME; break;
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case 'A': flags |= OPT_ATIME|OPT_ASCII; break;
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case 'c': flags |= OPT_CTIME; break;
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case 'C': flags |= OPT_CTIME|OPT_ASCII; break;
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case 'd': flags |= OPT_DEV; break;
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case 'i': flags |= OPT_INO; break;
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case 'f': flags |= OPT_FID; break;
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case 'g': flags |= OPT_GID; break;
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case 'G': flags |= OPT_GID|OPT_ASCII; break;
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case 'l': flags |= OPT_LNKNAM; break;
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case 'm': flags |= OPT_MTIME; break;
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case 'M': flags |= OPT_MTIME|OPT_ASCII; break;
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case 'n': flags |= OPT_NLINK; break;
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case 'o': flags |= OPT_OPERM; break;
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case 'p': flags |= OPT_PERM; break;
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case 'P': flags |= OPT_PMASK; pmask = octal(sh_optarg); break;
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case 's': flags |= OPT_SIZE; break;
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case 'u': flags |= OPT_UID; break;
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case 'U': flags |= OPT_UID|OPT_ASCII; break;
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default: builtin_usage (); return(1);
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}
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}
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argc -= sh_optind;
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argv += sh_optind;
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if (argc == 0) {
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builtin_usage();
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return(1);
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}
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for (i = 0; i < argc; i++)
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opt = flags ? printsome (argv[i], flags) : printfinfo(argv[i]);
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return(opt);
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}
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static struct stat *
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getstat(f)
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char *f;
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{
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static struct stat st;
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int fd, r;
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intmax_t lfd;
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if (strncmp(f, "/dev/fd/", 8) == 0) {
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if ((legal_number(f + 8, &lfd) == 0) || (int)lfd != lfd) {
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builtin_error("%s: invalid fd", f + 8);
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return ((struct stat *)0);
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}
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fd = lfd;
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r = fstat(fd, &st);
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} else
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#ifdef HAVE_LSTAT
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r = lstat(f, &st);
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#else
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r = stat(f, &st);
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#endif
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if (r < 0) {
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builtin_error("%s: cannot stat: %s", f, strerror(errno));
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return ((struct stat *)0);
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}
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return (&st);
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}
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static int
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printfinfo(f)
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char *f;
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{
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struct stat *st;
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st = getstat(f);
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return (st ? printst(st) : 1);
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}
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static int
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getperm(m)
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int m;
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{
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return (m & (S_IRWXU|S_IRWXG|S_IRWXO|S_ISUID|S_ISGID));
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}
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static void
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perms(m)
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int m;
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{
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char ubits[4], gbits[4], obits[4]; /* u=rwx,g=rwx,o=rwx */
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int i;
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i = 0;
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if (m & S_IRUSR)
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ubits[i++] = 'r';
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if (m & S_IWUSR)
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ubits[i++] = 'w';
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if (m & S_IXUSR)
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ubits[i++] = 'x';
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ubits[i] = '\0';
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i = 0;
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if (m & S_IRGRP)
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gbits[i++] = 'r';
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if (m & S_IWGRP)
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gbits[i++] = 'w';
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if (m & S_IXGRP)
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gbits[i++] = 'x';
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gbits[i] = '\0';
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i = 0;
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if (m & S_IROTH)
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obits[i++] = 'r';
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if (m & S_IWOTH)
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obits[i++] = 'w';
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if (m & S_IXOTH)
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obits[i++] = 'x';
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obits[i] = '\0';
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if (m & S_ISUID)
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ubits[2] = (m & S_IXUSR) ? 's' : 'S';
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if (m & S_ISGID)
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gbits[2] = (m & S_IXGRP) ? 's' : 'S';
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if (m & S_ISVTX)
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obits[2] = (m & S_IXOTH) ? 't' : 'T';
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printf ("u=%s,g=%s,o=%s", ubits, gbits, obits);
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}
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static void
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printmode(mode)
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int mode;
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{
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if (S_ISBLK(mode))
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printf("S_IFBLK ");
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if (S_ISCHR(mode))
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printf("S_IFCHR ");
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if (S_ISDIR(mode))
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printf("S_IFDIR ");
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if (S_ISREG(mode))
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printf("S_IFREG ");
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if (S_ISFIFO(mode))
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printf("S_IFIFO ");
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if (S_ISLNK(mode))
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printf("S_IFLNK ");
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if (S_ISSOCK(mode))
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printf("S_IFSOCK ");
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#ifdef S_ISWHT
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if (S_ISWHT(mode))
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printf("S_ISWHT ");
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#endif
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perms(getperm(mode));
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printf("\n");
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}
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static int
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printst(st)
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struct stat *st;
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{
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struct passwd *pw;
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struct group *gr;
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char *owner;
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int ma, mi, d;
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ma = major (st->st_rdev);
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mi = minor (st->st_rdev);
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#if defined (makedev)
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d = makedev (ma, mi);
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#else
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d = st->st_rdev & 0xFF;
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#endif
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printf("Device (major/minor): %d (%d/%d)\n", d, ma, mi);
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printf("Inode: %d\n", (int) st->st_ino);
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printf("Mode: (%o) ", (int) st->st_mode);
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printmode((int) st->st_mode);
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printf("Link count: %d\n", (int) st->st_nlink);
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pw = getpwuid(st->st_uid);
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owner = pw ? pw->pw_name : "unknown";
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printf("Uid of owner: %d (%s)\n", (int) st->st_uid, owner);
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gr = getgrgid(st->st_gid);
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owner = gr ? gr->gr_name : "unknown";
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printf("Gid of owner: %d (%s)\n", (int) st->st_gid, owner);
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printf("Device type: %d\n", (int) st->st_rdev);
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printf("File size: %ld\n", (long) st->st_size);
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printf("File last access time: %s", ctime (&st->st_atime));
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printf("File last modify time: %s", ctime (&st->st_mtime));
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printf("File last status change time: %s", ctime (&st->st_ctime));
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fflush(stdout);
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return(0);
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}
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static int
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printsome(f, flags)
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char *f;
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int flags;
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{
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struct stat *st;
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struct passwd *pw;
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struct group *gr;
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int p;
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char *b;
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st = getstat(f);
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if (st == NULL)
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return (1);
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/* Print requested info */
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if (flags & OPT_ATIME) {
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if (flags & OPT_ASCII)
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printf("%s", ctime(&st->st_atime));
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else
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printf("%ld\n", st->st_atime);
|
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} else if (flags & OPT_MTIME) {
|
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if (flags & OPT_ASCII)
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printf("%s", ctime(&st->st_mtime));
|
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else
|
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printf("%ld\n", st->st_mtime);
|
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} else if (flags & OPT_CTIME) {
|
||||
if (flags & OPT_ASCII)
|
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printf("%s", ctime(&st->st_ctime));
|
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else
|
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printf("%ld\n", st->st_ctime);
|
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} else if (flags & OPT_DEV)
|
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printf("%lu\n", (unsigned long)st->st_dev);
|
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else if (flags & OPT_INO)
|
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printf("%lu\n", (unsigned long)st->st_ino);
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else if (flags & OPT_FID)
|
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printf("%lu:%lu\n", (unsigned long)st->st_dev, (unsigned long)st->st_ino);
|
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else if (flags & OPT_NLINK)
|
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printf("%lu\n", (unsigned long)st->st_nlink);
|
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else if (flags & OPT_LNKNAM) {
|
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#ifdef S_ISLNK
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b = xmalloc(4096);
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p = readlink(f, b, 4096);
|
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if (p >= 0 && p < 4096)
|
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b[p] = '\0';
|
||||
else {
|
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p = errno;
|
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strcpy(b, prog);
|
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strcat(b, ": ");
|
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strcat(b, strerror(p));
|
||||
}
|
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printf("%s\n", b);
|
||||
free(b);
|
||||
#else
|
||||
printf("%s\n", f);
|
||||
#endif
|
||||
} else if (flags & OPT_PERM) {
|
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perms(st->st_mode);
|
||||
printf("\n");
|
||||
} else if (flags & OPT_OPERM)
|
||||
printf("%o\n", getperm(st->st_mode));
|
||||
else if (flags & OPT_PMASK)
|
||||
printf("%o\n", getperm(st->st_mode) & pmask);
|
||||
else if (flags & OPT_UID) {
|
||||
pw = getpwuid(st->st_uid);
|
||||
if (flags & OPT_ASCII)
|
||||
printf("%s\n", pw ? pw->pw_name : "unknown");
|
||||
else
|
||||
printf("%d\n", st->st_uid);
|
||||
} else if (flags & OPT_GID) {
|
||||
gr = getgrgid(st->st_gid);
|
||||
if (flags & OPT_ASCII)
|
||||
printf("%s\n", gr ? gr->gr_name : "unknown");
|
||||
else
|
||||
printf("%d\n", st->st_gid);
|
||||
} else if (flags & OPT_SIZE)
|
||||
printf("%ld\n", (long) st->st_size);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
#ifndef NOBUILTIN
|
||||
int
|
||||
finfo_builtin(list)
|
||||
WORD_LIST *list;
|
||||
{
|
||||
int c, r;
|
||||
char **v;
|
||||
WORD_LIST *l;
|
||||
|
||||
v = make_builtin_argv (list, &c);
|
||||
r = finfo_main (c, v);
|
||||
free (v);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static char *finfo_doc[] = {
|
||||
"Display information about file attributes.",
|
||||
"",
|
||||
"Display information about each FILE. Only single operators should",
|
||||
"be supplied. If no options are supplied, a summary of the info",
|
||||
"available about each FILE is printed. If FILE is of the form",
|
||||
"/dev/fd/XX, file descriptor XX is described. Operators, if supplied,",
|
||||
"have the following meanings:",
|
||||
"",
|
||||
" -a last file access time",
|
||||
" -A last file access time in ctime format",
|
||||
" -c last file status change time",
|
||||
" -C last file status change time in ctime format",
|
||||
" -m last file modification time",
|
||||
" -M last file modification time in ctime format",
|
||||
" -d device",
|
||||
" -i inode",
|
||||
" -f composite file identifier (device:inode)",
|
||||
" -g gid of owner",
|
||||
" -G group name of owner",
|
||||
" -l name of file pointed to by symlink",
|
||||
" -n link count",
|
||||
" -o permissions in octal",
|
||||
" -p permissions in ascii",
|
||||
" -P mask permissions ANDed with MASK (like with umask)",
|
||||
" -s file size in bytes",
|
||||
" -u uid of owner",
|
||||
" -U user name of owner",
|
||||
(char *)0
|
||||
};
|
||||
|
||||
struct builtin finfo_struct = {
|
||||
"finfo",
|
||||
finfo_builtin,
|
||||
BUILTIN_ENABLED,
|
||||
finfo_doc,
|
||||
"finfo [-acdgiflmnopsuACGMPU] file [file...]",
|
||||
0
|
||||
};
|
||||
#endif
|
||||
|
||||
#ifdef NOBUILTIN
|
||||
#if defined (PREFER_STDARG)
|
||||
# include <stdarg.h>
|
||||
#else
|
||||
# if defined (PREFER_VARARGS)
|
||||
# include <varargs.h>
|
||||
# endif
|
||||
#endif
|
||||
|
||||
char *this_command_name;
|
||||
|
||||
main(argc, argv)
|
||||
int argc;
|
||||
char **argv;
|
||||
{
|
||||
this_command_name = argv[0];
|
||||
exit(finfo_main(argc, argv));
|
||||
}
|
||||
|
||||
void
|
||||
builtin_usage()
|
||||
{
|
||||
fprintf(stderr, "%s: usage: %s [-%s] [file ...]\n", prog, prog, OPTIONS);
|
||||
}
|
||||
|
||||
#ifndef HAVE_STRERROR
|
||||
char *
|
||||
strerror(e)
|
||||
int e;
|
||||
{
|
||||
static char ebuf[40];
|
||||
extern int sys_nerr;
|
||||
extern char *sys_errlist[];
|
||||
|
||||
if (e < 0 || e > sys_nerr) {
|
||||
sprintf(ebuf,"Unknown error code %d", e);
|
||||
return (&ebuf[0]);
|
||||
}
|
||||
return (sys_errlist[e]);
|
||||
}
|
||||
#endif
|
||||
|
||||
char *
|
||||
xmalloc(s)
|
||||
size_t s;
|
||||
{
|
||||
char *ret;
|
||||
extern char *malloc();
|
||||
|
||||
ret = malloc(s);
|
||||
if (ret)
|
||||
return (ret);
|
||||
fprintf(stderr, "%s: cannot malloc %d bytes\n", prog, s);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
char *
|
||||
base_pathname(p)
|
||||
char *p;
|
||||
{
|
||||
char *t;
|
||||
|
||||
if (t = strrchr(p, '/'))
|
||||
return(++t);
|
||||
return(p);
|
||||
}
|
||||
|
||||
int
|
||||
legal_number (string, result)
|
||||
char *string;
|
||||
long *result;
|
||||
{
|
||||
int sign;
|
||||
long value;
|
||||
|
||||
sign = 1;
|
||||
value = 0;
|
||||
|
||||
if (result)
|
||||
*result = 0;
|
||||
|
||||
/* Skip leading whitespace characters. */
|
||||
while (whitespace (*string))
|
||||
string++;
|
||||
|
||||
if (!*string)
|
||||
return (0);
|
||||
|
||||
/* We allow leading `-' or `+'. */
|
||||
if (*string == '-' || *string == '+')
|
||||
{
|
||||
if (!digit (string[1]))
|
||||
return (0);
|
||||
|
||||
if (*string == '-')
|
||||
sign = -1;
|
||||
|
||||
string++;
|
||||
}
|
||||
|
||||
while (digit (*string))
|
||||
{
|
||||
if (result)
|
||||
value = (value * 10) + digit_value (*string);
|
||||
string++;
|
||||
}
|
||||
|
||||
/* Skip trailing whitespace, if any. */
|
||||
while (whitespace (*string))
|
||||
string++;
|
||||
|
||||
/* Error if not at end of string. */
|
||||
if (*string)
|
||||
return (0);
|
||||
|
||||
if (result)
|
||||
*result = value * sign;
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
||||
int sh_optind;
|
||||
char *sh_optarg;
|
||||
int sh_opterr;
|
||||
|
||||
extern int optind;
|
||||
extern char *optarg;
|
||||
|
||||
int
|
||||
sh_getopt(c, v, o)
|
||||
int c;
|
||||
char **v, *o;
|
||||
{
|
||||
int r;
|
||||
|
||||
r = getopt(c, v, o);
|
||||
sh_optind = optind;
|
||||
sh_optarg = optarg;
|
||||
return r;
|
||||
}
|
||||
|
||||
#if defined (USE_VARARGS)
|
||||
void
|
||||
#if defined (PREFER_STDARG)
|
||||
builtin_error (const char *format, ...)
|
||||
#else
|
||||
builtin_error (format, va_alist)
|
||||
const char *format;
|
||||
va_dcl
|
||||
#endif
|
||||
{
|
||||
va_list args;
|
||||
|
||||
if (this_command_name && *this_command_name)
|
||||
fprintf (stderr, "%s: ", this_command_name);
|
||||
|
||||
#if defined (PREFER_STDARG)
|
||||
va_start (args, format);
|
||||
#else
|
||||
va_start (args);
|
||||
#endif
|
||||
|
||||
vfprintf (stderr, format, args);
|
||||
va_end (args);
|
||||
fprintf (stderr, "\n");
|
||||
}
|
||||
#else
|
||||
void
|
||||
builtin_error (format, arg1, arg2, arg3, arg4, arg5)
|
||||
char *format, *arg1, *arg2, *arg3, *arg4, *arg5;
|
||||
{
|
||||
if (this_command_name && *this_command_name)
|
||||
fprintf (stderr, "%s: ", this_command_name);
|
||||
|
||||
fprintf (stderr, format, arg1, arg2, arg3, arg4, arg5);
|
||||
fprintf (stderr, "\n");
|
||||
fflush (stderr);
|
||||
}
|
||||
#endif /* !USE_VARARGS */
|
||||
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue