Show find.c syntax highlighted
/* vi: set sw=4 ts=4: */
/*
* Mini find implementation for busybox
*
*
* Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
* Reworked by David Douthitt <n9ubh@callsign.net> and
* Matt Kraai <kraai@alumni.carnegiemellon.edu>.
*
* 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 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <unistd.h>
#include <dirent.h>
#include <string.h>
#include <stdlib.h>
#include <fnmatch.h>
#include <time.h>
#include <ctype.h>
#include "busybox.h"
static char *pattern;
#ifdef BB_FEATURE_FIND_TYPE
static int type_mask = 0;
#endif
#ifdef BB_FEATURE_FIND_PERM
static char perm_char = 0;
static int perm_mask = 0;
#endif
#ifdef BB_FEATURE_FIND_MTIME
static char mtime_char;
static int mtime_days;
#endif
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
if (pattern != NULL) {
const char *tmp = strrchr(fileName, '/');
if (tmp == NULL)
tmp = fileName;
else
tmp++;
if (!(fnmatch(pattern, tmp, FNM_PERIOD) == 0))
goto no_match;
}
#ifdef BB_FEATURE_FIND_TYPE
if (type_mask != 0) {
if (!((statbuf->st_mode & S_IFMT) == type_mask))
goto no_match;
}
#endif
#ifdef BB_FEATURE_FIND_PERM
if (perm_mask != 0) {
if (!((isdigit(perm_char) && (statbuf->st_mode & 07777) == perm_mask) ||
(perm_char == '-' && (statbuf->st_mode & perm_mask) == perm_mask) ||
(perm_char == '+' && (statbuf->st_mode & perm_mask) != 0)))
goto no_match;
}
#endif
#ifdef BB_FEATURE_FIND_MTIME
if (mtime_days != 0) {
time_t file_age = time(NULL) - statbuf->st_mtime;
time_t mtime_secs = mtime_days * 24 * 60 * 60;
if (!((isdigit(mtime_char) && mtime_secs >= file_age &&
mtime_secs < file_age + 24 * 60 * 60) ||
(mtime_char == '+' && mtime_secs >= file_age) ||
(mtime_char == '-' && mtime_secs < file_age)))
goto no_match;
}
#endif
puts(fileName);
no_match:
return (TRUE);
}
#ifdef BB_FEATURE_FIND_TYPE
static int find_type(char *type)
{
int mask = 0;
switch (type[0]) {
case 'b':
mask = S_IFBLK;
break;
case 'c':
mask = S_IFCHR;
break;
case 'd':
mask = S_IFDIR;
break;
case 'p':
mask = S_IFIFO;
break;
case 'f':
mask = S_IFREG;
break;
case 'l':
mask = S_IFLNK;
break;
case 's':
mask = S_IFSOCK;
break;
}
if (mask == 0 || type[1] != '\0')
error_msg_and_die("invalid argument `%s' to `-type'", type);
return mask;
}
#endif
int find_main(int argc, char **argv)
{
int dereference = FALSE;
int i, firstopt, status = EXIT_SUCCESS;
for (firstopt = 1; firstopt < argc; firstopt++) {
if (argv[firstopt][0] == '-')
break;
}
/* Parse any options */
for (i = firstopt; i < argc; i++) {
if (strcmp(argv[i], "-follow") == 0)
dereference = TRUE;
else if (strcmp(argv[i], "-print") == 0) {
;
}
else if (strcmp(argv[i], "-name") == 0) {
if (++i == argc)
error_msg_and_die("option `-name' requires an argument");
pattern = argv[i];
#ifdef BB_FEATURE_FIND_TYPE
} else if (strcmp(argv[i], "-type") == 0) {
if (++i == argc)
error_msg_and_die("option `-type' requires an argument");
type_mask = find_type(argv[i]);
#endif
#ifdef BB_FEATURE_FIND_PERM
} else if (strcmp(argv[i], "-perm") == 0) {
char *end;
if (++i == argc)
error_msg_and_die("option `-perm' requires an argument");
perm_mask = strtol(argv[i], &end, 8);
if (end[0] != '\0')
error_msg_and_die("invalid argument `%s' to `-perm'", argv[i]);
if (perm_mask > 07777)
error_msg_and_die("invalid argument `%s' to `-perm'", argv[i]);
if ((perm_char = argv[i][0]) == '-')
perm_mask = -perm_mask;
#endif
#ifdef BB_FEATURE_FIND_MTIME
} else if (strcmp(argv[i], "-mtime") == 0) {
char *end;
if (++i == argc)
error_msg_and_die("option `-mtime' requires an argument");
mtime_days = strtol(argv[i], &end, 10);
if (end[0] != '\0')
error_msg_and_die("invalid argument `%s' to `-mtime'", argv[i]);
if ((mtime_char = argv[i][0]) == '-')
mtime_days = -mtime_days;
#endif
} else
show_usage();
}
if (firstopt == 1) {
if (recursive_action(".", TRUE, dereference, FALSE, fileAction,
fileAction, NULL) == FALSE)
status = EXIT_FAILURE;
} else {
for (i = 1; i < firstopt; i++) {
if (recursive_action(argv[i], TRUE, dereference, FALSE, fileAction,
fileAction, NULL) == FALSE)
status = EXIT_FAILURE;
}
}
return status;
}
See more files for this project here