diff options
Diffstat (limited to 'Utilities/cmlibarchive/libarchive_fe/matching.c')
-rw-r--r-- | Utilities/cmlibarchive/libarchive_fe/matching.c | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/Utilities/cmlibarchive/libarchive_fe/matching.c b/Utilities/cmlibarchive/libarchive_fe/matching.c deleted file mode 100644 index 0a05bd3..0000000 --- a/Utilities/cmlibarchive/libarchive_fe/matching.c +++ /dev/null @@ -1,284 +0,0 @@ -/*- - * Copyright (c) 2003-2007 Tim Kientzle - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "lafe_platform.h" -__FBSDID("$FreeBSD: src/usr.bin/cpio/matching.c,v 1.2 2008/06/21 02:20:20 kientzle Exp $"); - -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif -#ifdef HAVE_STRING_H -#include <string.h> -#endif - -#include "err.h" -#include "line_reader.h" -#include "matching.h" -#include "pathmatch.h" - -struct match { - struct match *next; - int matches; - char pattern[1]; -}; - -struct lafe_matching { - struct match *exclusions; - int exclusions_count; - struct match *inclusions; - int inclusions_count; - int inclusions_unmatched_count; -}; - -static void add_pattern(struct match **list, const char *pattern); -static void initialize_matching(struct lafe_matching **); -static int match_exclusion(struct match *, const char *pathname); -static int match_inclusion(struct match *, const char *pathname); - -/* - * The matching logic here needs to be re-thought. I started out to - * try to mimic gtar's matching logic, but it's not entirely - * consistent. In particular 'tar -t' and 'tar -x' interpret patterns - * on the command line as anchored, but --exclude doesn't. - */ - -/* - * Utility functions to manage exclusion/inclusion patterns - */ - -int -lafe_exclude(struct lafe_matching **matching, const char *pattern) -{ - - if (*matching == NULL) - initialize_matching(matching); - add_pattern(&((*matching)->exclusions), pattern); - (*matching)->exclusions_count++; - return (0); -} - -int -lafe_exclude_from_file(struct lafe_matching **matching, const char *pathname) -{ - struct lafe_line_reader *lr; - const char *p; - int ret = 0; - - lr = lafe_line_reader(pathname, '\n'); - while ((p = lafe_line_reader_next(lr)) != NULL) { - if (lafe_exclude(matching, p) != 0) - ret = -1; - } - lafe_line_reader_free(lr); - return (ret); -} - -int -lafe_include(struct lafe_matching **matching, const char *pattern) -{ - - if (*matching == NULL) - initialize_matching(matching); - add_pattern(&((*matching)->inclusions), pattern); - (*matching)->inclusions_count++; - (*matching)->inclusions_unmatched_count++; - return (0); -} - -int -lafe_include_from_file(struct lafe_matching **matching, const char *pathname, - int nullSeparator) -{ - struct lafe_line_reader *lr; - const char *p; - int ret = 0; - - lr = lafe_line_reader(pathname, nullSeparator); - while ((p = lafe_line_reader_next(lr)) != NULL) { - if (lafe_include(matching, p) != 0) - ret = -1; - } - lafe_line_reader_free(lr); - return (ret); -} - -static void -add_pattern(struct match **list, const char *pattern) -{ - struct match *match; - size_t len; - - len = strlen(pattern); - match = malloc(sizeof(*match) + len + 1); - if (match == NULL) - lafe_errc(1, errno, "Out of memory"); - strcpy(match->pattern, pattern); - /* Both "foo/" and "foo" should match "foo/bar". */ - if (len && match->pattern[len - 1] == '/') - match->pattern[strlen(match->pattern)-1] = '\0'; - match->next = *list; - *list = match; - match->matches = 0; -} - - -int -lafe_excluded(struct lafe_matching *matching, const char *pathname) -{ - struct match *match; - struct match *matched; - - if (matching == NULL) - return (0); - - /* Exclusions take priority */ - for (match = matching->exclusions; match != NULL; match = match->next){ - if (match_exclusion(match, pathname)) - return (1); - } - - /* Then check for inclusions */ - matched = NULL; - for (match = matching->inclusions; match != NULL; match = match->next){ - if (match_inclusion(match, pathname)) { - /* - * If this pattern has never been matched, - * then we're done. - */ - if (match->matches == 0) { - match->matches++; - matching->inclusions_unmatched_count--; - return (0); - } - /* - * Otherwise, remember the match but keep checking - * in case we can tick off an unmatched pattern. - */ - matched = match; - } - } - /* - * We didn't find a pattern that had never been matched, but - * we did find a match, so count it and exit. - */ - if (matched != NULL) { - matched->matches++; - return (0); - } - - /* If there were inclusions, default is to exclude. */ - if (matching->inclusions != NULL) - return (1); - - /* No explicit inclusions, default is to match. */ - return (0); -} - -/* - * This is a little odd, but it matches the default behavior of - * gtar. In particular, 'a*b' will match 'foo/a1111/222b/bar' - * - */ -static int -match_exclusion(struct match *match, const char *pathname) -{ - return (lafe_pathmatch(match->pattern, - pathname, - PATHMATCH_NO_ANCHOR_START | PATHMATCH_NO_ANCHOR_END)); -} - -/* - * Again, mimic gtar: inclusions are always anchored (have to match - * the beginning of the path) even though exclusions are not anchored. - */ -static int -match_inclusion(struct match *match, const char *pathname) -{ -#if 0 - return (lafe_pathmatch(match->pattern, pathname, 0)); -#else - return (lafe_pathmatch(match->pattern, pathname, PATHMATCH_NO_ANCHOR_END)); -#endif -} - -void -lafe_cleanup_exclusions(struct lafe_matching **matching) -{ - struct match *p, *q; - - if (*matching == NULL) - return; - - for (p = (*matching)->inclusions; p != NULL; ) { - q = p; - p = p->next; - free(q); - } - - for (p = (*matching)->exclusions; p != NULL; ) { - q = p; - p = p->next; - free(q); - } - - free(*matching); - *matching = NULL; -} - -static void -initialize_matching(struct lafe_matching **matching) -{ - *matching = calloc(sizeof(**matching), 1); - if (*matching == NULL) - lafe_errc(1, errno, "No memory"); -} - -int -lafe_unmatched_inclusions(struct lafe_matching *matching) -{ - - if (matching == NULL) - return (0); - return (matching->inclusions_unmatched_count); -} - -int -lafe_unmatched_inclusions_warn(struct lafe_matching *matching, const char *msg) -{ - struct match *p; - - if (matching == NULL) - return (0); - - for (p = matching->inclusions; p != NULL; p = p->next) { - if (p->matches == 0) - lafe_warnc(0, "%s: %s", p->pattern, msg); - } - - return (matching->inclusions_unmatched_count); -} |