From 008d0be72b2f160382c6e880765e96b64a050c65 Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 3 Jan 2015 12:04:58 +0100 Subject: imported original firmware WRT54GL_v4.30.11_11_US --- release/src/router/busybox/findutils/Config.in | 101 ++++++ release/src/router/busybox/findutils/Makefile | 30 ++ release/src/router/busybox/findutils/Makefile.in | 34 ++ release/src/router/busybox/findutils/find.c | 280 ++++++++++++++++ release/src/router/busybox/findutils/grep.c | 391 +++++++++++++++++++++++ release/src/router/busybox/findutils/xargs.c | 115 +++++++ 6 files changed, 951 insertions(+) create mode 100755 release/src/router/busybox/findutils/Config.in create mode 100644 release/src/router/busybox/findutils/Makefile create mode 100755 release/src/router/busybox/findutils/Makefile.in create mode 100644 release/src/router/busybox/findutils/find.c create mode 100644 release/src/router/busybox/findutils/grep.c create mode 100644 release/src/router/busybox/findutils/xargs.c (limited to 'release/src/router/busybox/findutils') diff --git a/release/src/router/busybox/findutils/Config.in b/release/src/router/busybox/findutils/Config.in new file mode 100755 index 00000000..05fcca15 --- /dev/null +++ b/release/src/router/busybox/findutils/Config.in @@ -0,0 +1,101 @@ +# +# For a description of the syntax of this configuration file, +# see scripts/kbuild/config-language.txt. +# + +menu "Finding Utilities" + +config CONFIG_FIND + bool "find" + default n + help + find is used to search your system to find specified files. + +config CONFIG_FEATURE_FIND_MTIME + bool " Enable modified time matching (-mtime) option" + default y + depends on CONFIG_FIND + help + Allow searching based on the modification time of + files. + +config CONFIG_FEATURE_FIND_PERM + bool " Enable permissions matching (-perm) option" + default y + depends on CONFIG_FIND + help + Enable searching based on file permissions. + +config CONFIG_FEATURE_FIND_TYPE + bool " Enable filetype matching (-type) option" + default y + depends on CONFIG_FIND + help + Enable searching based on file type (file, + directory, socket, device, etc.). + +config CONFIG_FEATURE_FIND_XDEV + bool " Enable stay in filesystem (-xdev) option" + default y + depends on CONFIG_FIND + help + This option will restrict find to a single + filesystem. + +config CONFIG_FEATURE_FIND_NEWER + bool " Enable -newer option for comparing file mtimes" + default y + depends on CONFIG_FIND + help + Support the 'find -newer' option for finding any files which have + a modified time that is more recent than the specified FILE. + +config CONFIG_FEATURE_FIND_INUM + bool " Enable inode number matching (-inum) option" + default y + depends on CONFIG_FIND + help + Support the 'fine -inum' option for searching by inode number. + +config CONFIG_GREP + bool "grep" + default n + help + grep is used to search files for a specified pattern. + +config CONFIG_FEATURE_GREP_EGREP_ALIAS + bool " Support extended regular expressions (egrep & grep -E)" + default y + depends on CONFIG_GREP + help + Enabled support for extended regular expressions. Extended + regular expressions allow for alternation (foo|bar), grouping, + and various repetition operators. + +config CONFIG_FEATURE_GREP_FGREP_ALIAS + bool " Alias fgrep to grep -f" + default y + depends on CONFIG_GREP + help + fgrep sees the search pattern as a normal sting rather than + regular expressions. + grep -f is always builtin, this just creates the fgrep alias. + +config CONFIG_FEATURE_GREP_CONTEXT + bool " Enable before and after context flags (-A, -B and -C)" + default y + depends on CONFIG_GREP + help + Print the specified number of leading (-B) and/or trailing (-A) + context surrounding our matching lines. + Print the specified number of context lines (-C). + +config CONFIG_XARGS + bool "xargs" + default n + help + xargs is used to execute a specified command on + every item from standard input. + +endmenu + diff --git a/release/src/router/busybox/findutils/Makefile b/release/src/router/busybox/findutils/Makefile new file mode 100644 index 00000000..fffee8f2 --- /dev/null +++ b/release/src/router/busybox/findutils/Makefile @@ -0,0 +1,30 @@ +# Makefile for busybox +# +# Copyright (C) 1999-2003 by Erik Andersen +# +# 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 +# + +TOPDIR:= ../ +FINDUTILS_DIR:=./ +include $(TOPDIR).config +include $(TOPDIR)Rules.mak +include Makefile.in +all: $(libraries-y) +-include $(TOPDIR).depend + +clean: + rm -f *.o *.a $(AR_TARGET) + diff --git a/release/src/router/busybox/findutils/Makefile.in b/release/src/router/busybox/findutils/Makefile.in new file mode 100755 index 00000000..6413a7fd --- /dev/null +++ b/release/src/router/busybox/findutils/Makefile.in @@ -0,0 +1,34 @@ +# Makefile for busybox +# +# Copyright (C) 1999-2003 by Erik Andersen +# +# 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 +# + +FINDUTILS_AR:=findutils.a +ifndef $(FINDUTILS_DIR) +FINDUTILS_DIR:=$(TOPDIR)findutils/ +endif + +FINDUTILS-y:= +FINDUTILS-$(CONFIG_FIND) += find.o +FINDUTILS-$(CONFIG_GREP) += grep.o +FINDUTILS-$(CONFIG_XARGS) += xargs.o + +libraries-y+=$(FINDUTILS_DIR)$(FINDUTILS_AR) + +$(FINDUTILS_DIR)$(FINDUTILS_AR): $(patsubst %,$(FINDUTILS_DIR)%, $(FINDUTILS-y)) + $(AR) -ro $@ $(patsubst %,$(FINDUTILS_DIR)%, $(FINDUTILS-y)) + diff --git a/release/src/router/busybox/findutils/find.c b/release/src/router/busybox/findutils/find.c new file mode 100644 index 00000000..66103046 --- /dev/null +++ b/release/src/router/busybox/findutils/find.c @@ -0,0 +1,280 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini find implementation for busybox + * + * Copyright (C) 1999-2003 by Erik Andersen + * + * Reworked by David Douthitt and + * Matt Kraai . + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include "busybox.h" + +//XXX just found out about libbb/messages.c . maybe move stuff there ? - ghoz +const char msg_req_arg[] = "option `%s' requires an argument"; +const char msg_invalid_arg[] = "invalid argument `%s' to `%s'"; + +static char *pattern; + +#ifdef CONFIG_FEATURE_FIND_TYPE +static int type_mask = 0; +#endif + +#ifdef CONFIG_FEATURE_FIND_PERM +static char perm_char = 0; +static int perm_mask = 0; +#endif + +#ifdef CONFIG_FEATURE_FIND_MTIME +static char mtime_char; +static int mtime_days; +#endif + +#ifdef CONFIG_FEATURE_FIND_XDEV +static dev_t *xdev_dev; +static int xdev_count = 0; +#endif + +#ifdef CONFIG_FEATURE_FIND_NEWER +time_t newer_mtime; +#endif + +#ifdef CONFIG_FEATURE_FIND_INUM +static ino_t inode_num; +#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 CONFIG_FEATURE_FIND_TYPE + if (type_mask != 0) { + if (!((statbuf->st_mode & S_IFMT) == type_mask)) + goto no_match; + } +#endif +#ifdef CONFIG_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 CONFIG_FEATURE_FIND_MTIME + if (mtime_char != 0) { + time_t file_age = time(NULL) - statbuf->st_mtime; + time_t mtime_secs = mtime_days * 24 * 60 * 60; + if (!((isdigit(mtime_char) && file_age >= mtime_secs && + file_age < mtime_secs + 24 * 60 * 60) || + (mtime_char == '+' && file_age >= mtime_secs + 24 * 60 * 60) || + (mtime_char == '-' && file_age < mtime_secs))) + goto no_match; + } +#endif +#ifdef CONFIG_FEATURE_FIND_XDEV + if (xdev_count) { + int i; + for (i=0; i st_dev) + break; + } + if (i == xdev_count) { + if(S_ISDIR(statbuf->st_mode)) + return SKIP; + else + goto no_match; + } + } +#endif +#ifdef CONFIG_FEATURE_FIND_NEWER + if (newer_mtime != 0) { + time_t file_age = newer_mtime - statbuf->st_mtime; + if (file_age >= 0) + goto no_match; + } +#endif +#ifdef CONFIG_FEATURE_FIND_INUM + if (inode_num != 0) { + if (!(statbuf->st_ino == inode_num)) + goto no_match; + } +#endif + puts(fileName); +no_match: + return (TRUE); +} + +#ifdef CONFIG_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') + bb_error_msg_and_die(msg_invalid_arg, 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) + bb_error_msg_and_die(msg_req_arg, "-name"); + pattern = argv[i]; +#ifdef CONFIG_FEATURE_FIND_TYPE + } else if (strcmp(argv[i], "-type") == 0) { + if (++i == argc) + bb_error_msg_and_die(msg_req_arg, "-type"); + type_mask = find_type(argv[i]); +#endif +#ifdef CONFIG_FEATURE_FIND_PERM + } else if (strcmp(argv[i], "-perm") == 0) { + char *end; + if (++i == argc) + bb_error_msg_and_die(msg_req_arg, "-perm"); + perm_mask = strtol(argv[i], &end, 8); + if ((end[0] != '\0') || (perm_mask > 07777)) + bb_error_msg_and_die(msg_invalid_arg, argv[i], "-perm"); + if ((perm_char = argv[i][0]) == '-') + perm_mask = -perm_mask; +#endif +#ifdef CONFIG_FEATURE_FIND_MTIME + } else if (strcmp(argv[i], "-mtime") == 0) { + char *end; + if (++i == argc) + bb_error_msg_and_die(msg_req_arg, "-mtime"); + mtime_days = strtol(argv[i], &end, 10); + if (end[0] != '\0') + bb_error_msg_and_die(msg_invalid_arg, argv[i], "-mtime"); + if ((mtime_char = argv[i][0]) == '-') + mtime_days = -mtime_days; +#endif +#ifdef CONFIG_FEATURE_FIND_XDEV + } else if (strcmp(argv[i], "-xdev") == 0) { + struct stat stbuf; + + xdev_count = ( firstopt - 1 ) ? ( firstopt - 1 ) : 1; + xdev_dev = xmalloc ( xdev_count * sizeof( dev_t )); + + if ( firstopt == 1 ) { + if ( stat ( ".", &stbuf ) < 0 ) + bb_error_msg_and_die("could not stat '.'" ); + xdev_dev [0] = stbuf. st_dev; + } + else { + + for (i = 1; i < firstopt; i++) { + if ( stat ( argv [i], &stbuf ) < 0 ) + bb_error_msg_and_die("could not stat '%s'", argv [i] ); + xdev_dev [i-1] = stbuf. st_dev; + } + } +#endif +#ifdef CONFIG_FEATURE_FIND_NEWER + } else if (strcmp(argv[i], "-newer") == 0) { + struct stat stat_newer; + if (++i == argc) + bb_error_msg_and_die(msg_req_arg, "-newer"); + if (stat (argv[i], &stat_newer) != 0) + bb_error_msg_and_die("file %s not found", argv[i]); + newer_mtime = stat_newer.st_mtime; +#endif +#ifdef CONFIG_FEATURE_FIND_INUM + } else if (strcmp(argv[i], "-inum") == 0) { + char *end; + if (++i == argc) + bb_error_msg_and_die(msg_req_arg, "-inum"); + inode_num = strtol(argv[i], &end, 10); + if (end[0] != '\0') + bb_error_msg_and_die(msg_invalid_arg, argv[i], "-inum"); +#endif + } else + bb_show_usage(); + } + + if (firstopt == 1) { + if (! recursive_action(".", TRUE, dereference, FALSE, fileAction, + fileAction, NULL)) + status = EXIT_FAILURE; + } else { + for (i = 1; i < firstopt; i++) { + if (! recursive_action(argv[i], TRUE, dereference, FALSE, fileAction, + fileAction, NULL)) + status = EXIT_FAILURE; + } + } + + return status; +} diff --git a/release/src/router/busybox/findutils/grep.c b/release/src/router/busybox/findutils/grep.c new file mode 100644 index 00000000..241099c7 --- /dev/null +++ b/release/src/router/busybox/findutils/grep.c @@ -0,0 +1,391 @@ +/* + * Mini grep implementation for busybox using libc regex. + * + * Copyright (C) 1999,2000,2001 by Lineo, inc. and Mark Whitley + * Copyright (C) 1999,2000,2001 by Mark Whitley + * + * 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 + * + */ +/* + * Jun 2003 by Vladimir Oleynik - + * correction "-e pattern1 -e -e pattern2" logic and more optimizations. +*/ + +#include +#include +#include +#include +#include +#include +#include "busybox.h" + + +/* options */ +#define GREP_OPTS "lnqvscFiHhe:f:" +#define GREP_OPT_l 1 +static char print_files_with_matches; +#define GREP_OPT_n 2 +static char print_line_num; +#define GREP_OPT_q 4 +static char be_quiet; +#define GREP_OPT_v 8 +typedef char invert_search_t; +static invert_search_t invert_search; +#define GREP_OPT_s 16 +static char suppress_err_msgs; +#define GREP_OPT_c 32 +static char print_match_counts; +#define GREP_OPT_F 64 +static char fgrep_flag; +#define GREP_OPT_i 128 +#define GREP_OPT_H 256 +#define GREP_OPT_h 512 +#define GREP_OPT_e 1024 +#define GREP_OPT_f 2048 +#ifdef CONFIG_FEATURE_GREP_CONTEXT +#define GREP_OPT_CONTEXT "A:B:C" +#define GREP_OPT_A 4096 +#define GREP_OPT_B 8192 +#define GREP_OPT_C 16384 +#define GREP_OPT_E 32768U +#else +#define GREP_OPT_CONTEXT "" +#define GREP_OPT_E 4096 +#endif +#ifdef CONFIG_FEATURE_GREP_EGREP_ALIAS +# define OPT_EGREP "E" +#else +# define OPT_EGREP "" +#endif + +static int reflags; +static int print_filename; + +#ifdef CONFIG_FEATURE_GREP_CONTEXT +static int lines_before; +static int lines_after; +static char **before_buf; +static int last_line_printed; +#endif /* CONFIG_FEATURE_GREP_CONTEXT */ + +/* globals used internally */ +static llist_t *pattern_head; /* growable list of patterns to match */ +static char *cur_file; /* the current file we are reading */ + + +static void print_line(const char *line, int linenum, char decoration) +{ +#ifdef CONFIG_FEATURE_GREP_CONTEXT + /* possibly print the little '--' seperator */ + if ((lines_before || lines_after) && last_line_printed && + last_line_printed < linenum - 1) { + puts("--"); + } + last_line_printed = linenum; +#endif + if (print_filename) + printf("%s%c", cur_file, decoration); + if (print_line_num) + printf("%i%c", linenum, decoration); + puts(line); +} + +extern void xregcomp(regex_t *preg, const char *regex, int cflags); + + +static int grep_file(FILE *file) +{ + char *line; + invert_search_t ret; + int linenum = 0; + int nmatches = 0; +#ifdef CONFIG_FEATURE_GREP_CONTEXT + int print_n_lines_after = 0; + int curpos = 0; /* track where we are in the circular 'before' buffer */ + int idx = 0; /* used for iteration through the circular buffer */ +#endif /* CONFIG_FEATURE_GREP_CONTEXT */ + + while ((line = bb_get_chomped_line_from_file(file)) != NULL) { + llist_t *pattern_ptr = pattern_head; + + linenum++; + ret = 0; + while (pattern_ptr) { + if (fgrep_flag) { + ret = strstr(line, pattern_ptr->data) != NULL; + } else { + /* + * test for a postitive-assertion match (regexec returns success (0) + * and the user did not specify invert search), or a negative-assertion + * match (regexec returns failure (REG_NOMATCH) and the user specified + * invert search) + */ + regex_t regex; + xregcomp(®ex, pattern_ptr->data, reflags); + ret = regexec(®ex, line, 0, NULL, 0) == 0; + regfree(®ex); + } + if (!ret) + break; + pattern_ptr = pattern_ptr->link; + } /* while (pattern_ptr) */ + + if ((ret ^ invert_search)) { + + if (print_files_with_matches || be_quiet) + free(line); + + /* if we found a match but were told to be quiet, stop here */ + if (be_quiet) + return -1; + + /* keep track of matches */ + nmatches++; + + /* if we're just printing filenames, we stop after the first match */ + if (print_files_with_matches) + break; + + /* print the matched line */ + if (print_match_counts == 0) { +#ifdef CONFIG_FEATURE_GREP_CONTEXT + int prevpos = (curpos == 0) ? lines_before - 1 : curpos - 1; + + /* if we were told to print 'before' lines and there is at least + * one line in the circular buffer, print them */ + if (lines_before && before_buf[prevpos] != NULL) { + int first_buf_entry_line_num = linenum - lines_before; + + /* advance to the first entry in the circular buffer, and + * figure out the line number is of the first line in the + * buffer */ + idx = curpos; + while (before_buf[idx] == NULL) { + idx = (idx + 1) % lines_before; + first_buf_entry_line_num++; + } + + /* now print each line in the buffer, clearing them as we go */ + while (before_buf[idx] != NULL) { + print_line(before_buf[idx], first_buf_entry_line_num, '-'); + free(before_buf[idx]); + before_buf[idx] = NULL; + idx = (idx + 1) % lines_before; + first_buf_entry_line_num++; + } + } + + /* make a note that we need to print 'after' lines */ + print_n_lines_after = lines_after; +#endif /* CONFIG_FEATURE_GREP_CONTEXT */ + print_line(line, linenum, ':'); + } + } +#ifdef CONFIG_FEATURE_GREP_CONTEXT + else { /* no match */ + /* Add the line to the circular 'before' buffer */ + if(lines_before) { + free(before_buf[curpos]); + before_buf[curpos] = bb_xstrdup(line); + curpos = (curpos + 1) % lines_before; + } + } + + /* if we need to print some context lines after the last match, do so */ + if (print_n_lines_after && (last_line_printed != linenum)) { + print_line(line, linenum, '-'); + print_n_lines_after--; + } +#endif /* CONFIG_FEATURE_GREP_CONTEXT */ + free(line); + } + + + /* special-case file post-processing for options where we don't print line + * matches, just filenames and possibly match counts */ + + /* grep -c: print [filename:]count, even if count is zero */ + if (print_match_counts) { + if (print_filename) + printf("%s:", cur_file); + printf("%d\n", nmatches); + } + + /* grep -l: print just the filename, but only if we grepped the line in the file */ + if (print_files_with_matches && nmatches > 0) { + puts(cur_file); + } + + return nmatches; +} + +static void load_regexes_from_file(llist_t *fopt) +{ + char *line; + FILE *f; + + while(fopt) { + llist_t *cur = fopt; + char *ffile = cur->data; + + fopt = cur->link; + free(cur); + f = bb_xfopen(ffile, "r"); + while ((line = bb_get_chomped_line_from_file(f)) != NULL) { + pattern_head = llist_add_to(pattern_head, line); + } + } +} + + +extern int grep_main(int argc, char **argv) +{ + FILE *file; + int matched; + unsigned long opt; + llist_t *fopt; + + /* do normal option parsing */ +#ifdef CONFIG_FEATURE_GREP_CONTEXT + { + char *junk; + char *slines_after; + char *slines_before; + char *Copt; + + bb_opt_complementaly = "H-h:e*:f*:C-AB"; + opt = bb_getopt_ulflags(argc, argv, + GREP_OPTS GREP_OPT_CONTEXT OPT_EGREP, + &pattern_head, &fopt, + &slines_after, &slines_before, &Copt); + + if(opt & GREP_OPT_C) { + /* C option unseted A and B options, but next -A or -B + may be ovewrite own option */ + if(!(opt & GREP_OPT_A)) /* not overwtited */ + slines_after = Copt; + if(!(opt & GREP_OPT_B)) /* not overwtited */ + slines_before = Copt; + opt |= GREP_OPT_A|GREP_OPT_B; /* set for parse now */ + } + if(opt & GREP_OPT_A) { + lines_after = strtoul(slines_after, &junk, 10); + if(*junk != '\0') + bb_error_msg_and_die("invalid context length argument"); + } + if(opt & GREP_OPT_B) { + lines_before = strtoul(slines_before, &junk, 10); + if(*junk != '\0') + bb_error_msg_and_die("invalid context length argument"); + } + /* sanity checks after parse may be invalid numbers ;-) */ + if ((opt & (GREP_OPT_c|GREP_OPT_q|GREP_OPT_l))) { + opt &= ~GREP_OPT_n; + lines_before = 0; + lines_after = 0; + } else if(lines_before > 0) + before_buf = (char **)xcalloc(lines_before, sizeof(char *)); + } +#else + /* with auto sanity checks */ + bb_opt_complementaly = "H-h:e*:f*:c-n:q-n:l-n"; + opt = bb_getopt_ulflags(argc, argv, GREP_OPTS OPT_EGREP, + &pattern_head, &fopt); + +#endif + print_files_with_matches = opt & GREP_OPT_l; + print_line_num = opt & GREP_OPT_n; + be_quiet = opt & GREP_OPT_q; + invert_search = (opt & GREP_OPT_v) != 0; /* 0 | 1 */ + suppress_err_msgs = opt & GREP_OPT_s; + print_match_counts = opt & GREP_OPT_c; + fgrep_flag = opt & GREP_OPT_F; + if(opt & GREP_OPT_H) + print_filename++; + if(opt & GREP_OPT_h) + print_filename--; + if(opt & GREP_OPT_f) + load_regexes_from_file(fopt); + +#ifdef CONFIG_FEATURE_GREP_EGREP_ALIAS + if(bb_applet_name[0] == 'e' || (opt & GREP_OPT_E)) + reflags = REG_EXTENDED | REG_NOSUB; + else +#endif + reflags = REG_NOSUB; + + if(opt & GREP_OPT_i) + reflags |= REG_ICASE; + + argv += optind; + argc -= optind; + + /* if we didn't get a pattern from a -e and no command file was specified, + * argv[optind] should be the pattern. no pattern, no worky */ + if (pattern_head == NULL) { + if (*argv == NULL) + bb_show_usage(); + else { + pattern_head = llist_add_to(pattern_head, *argv++); + argc--; + } + } + + /* argv[(optind)..(argc-1)] should be names of file to grep through. If + * there is more than one file to grep, we will print the filenames */ + if (argc > 1) { + print_filename++; + + /* If no files were specified, or '-' was specified, take input from + * stdin. Otherwise, we grep through all the files specified. */ + } else if (argc == 0) { + argc++; + } + matched = 0; + while (argc--) { + cur_file = *argv++; + if(!cur_file || (*cur_file == '-' && !cur_file[1])) { + cur_file = "-"; + file = stdin; + } else { + file = fopen(cur_file, "r"); + } + if (file == NULL) { + if (!suppress_err_msgs) + bb_perror_msg("%s", cur_file); + } else { + matched += grep_file(file); + if(matched < 0) { + /* we found a match but were told to be quiet, stop here and + * return success */ + break; + } + fclose(file); + } + } + +#ifdef CONFIG_FEATURE_CLEAN_UP + /* destroy all the elments in the pattern list */ + while (pattern_head) { + llist_t *pattern_head_ptr = pattern_head; + + pattern_head = pattern_head->link; + free(pattern_head_ptr); + } +#endif + + return !matched; /* invert return value 0 = success, 1 = failed */ +} diff --git a/release/src/router/busybox/findutils/xargs.c b/release/src/router/busybox/findutils/xargs.c new file mode 100644 index 00000000..2b18f8f2 --- /dev/null +++ b/release/src/router/busybox/findutils/xargs.c @@ -0,0 +1,115 @@ +/* + * Mini xargs implementation for busybox + * Only "-prt" options are supported in this version of xargs. + * + * (C) 2002 by Vladimir Oleynik + * + * Special thanks Mark Whitley for stimul to rewrote :) + * + * 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 +#include +#include +#include +#include +#include +#include +#include "busybox.h" + + +/* + This function have special algorithm. + Don`t use fork and include to main! +*/ +static void xargs_exec(char * const * args) +{ + int p; + int common[4]; /* shared vfork stack */ + + common[0] = 0; + if ((p = vfork()) >= 0) { + if (p == 0) { + /* vfork -- child */ + execvp(args[0], args); + common[0] = errno; /* set error to shared stack */ + _exit(1); + } else { + /* vfork -- parent */ + wait(NULL); + if(common[0]) { + errno = common[0]; + bb_perror_msg_and_die("%s", args[0]); + } + } + } else { + bb_perror_msg_and_die("vfork"); + } +} + +int xargs_main(int argc, char **argv) +{ + char *file_to_act_on; + char **args; + int i, a; + char flg_vi; /* verbose |& interactive */ + char flg_no_empty; + + bb_opt_complementaly = "pt"; + a = bb_getopt_ulflags(argc, argv, "tpr"); + flg_vi = a & 3; + flg_no_empty = a & 4; + + a = argc - optind; + argv += optind; + if(a==0) { + /* default behavior is to echo all the filenames */ + *argv = "/bin/echo"; + a++; + } + /* allocating pointers for execvp: a*arg, arg from stdin, NULL */ + args = xcalloc(a + 3, sizeof(char *)); + + /* Store the command to be executed (taken from the command line) */ + for (i = 0; i < a; i++) + args[i] = *argv++; + + /* Now, read in one line at a time from stdin, and store this + * line to be used later as an argument to the command */ + while ((file_to_act_on = bb_get_chomped_line_from_file(stdin)) != NULL) { + if(file_to_act_on[0] != 0 || flg_no_empty == 0) { + args[a] = file_to_act_on[0] ? file_to_act_on : NULL; + if(flg_vi) { + for(i=0; args[i]; i++) { + if(i) + fputc(' ', stderr); + fputs(args[i], stderr); + } + fputs(((flg_vi & 2) ? " ?..." : "\n"), stderr); + } + if((flg_vi & 2) == 0 || bb_ask_confirmation() != 0 ) { + xargs_exec(args); + } + } + /* clean up */ + free(file_to_act_on); + } +#ifdef CONFIG_FEATURE_CLEAN_UP + free(args); +#endif + return 0; +} -- cgit v1.2.3-54-g00ecf