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-rw-r--r--lib/libalpm/conflict.c34
1 files changed, 19 insertions, 15 deletions
diff --git a/lib/libalpm/conflict.c b/lib/libalpm/conflict.c
index d6e5d8c6..7494fd77 100644
--- a/lib/libalpm/conflict.c
+++ b/lib/libalpm/conflict.c
@@ -1,7 +1,7 @@
/*
* conflict.c
*
- * Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
+ * Copyright (c) 2006-2012 Pacman Development Team <pacman-dev@archlinux.org>
* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
* Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
* Copyright (c) 2006 by David Kimpe <dnaku@frugalware.org>
@@ -22,8 +22,6 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "config.h"
-
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
@@ -318,12 +316,16 @@ const alpm_file_t *_alpm_filelist_contains(alpm_filelist_t *filelist,
const char *name)
{
size_t i;
- const alpm_file_t *file = filelist->files;
- for(i = 0; i < filelist->count; i++) {
+ const alpm_file_t *file;
+
+ if(!filelist) {
+ return NULL;
+ }
+
+ for(file = filelist->files, i = 0; i < filelist->count; file++, i++) {
if(strcmp(file->name, name) == 0) {
return file;
}
- file++;
}
return NULL;
}
@@ -403,16 +405,19 @@ static int dir_belongsto_pkg(alpm_handle_t *handle, const char *dirpath,
* 1: check every target against every target
* 2: check every target against the filesystem */
alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
- alpm_list_t *upgrade, alpm_list_t *remove)
+ alpm_list_t *upgrade, alpm_list_t *rem)
{
alpm_list_t *i, *conflicts = NULL;
size_t numtargs = alpm_list_count(upgrade);
size_t current;
+ size_t rootlen;
if(!upgrade) {
return NULL;
}
+ rootlen = strlen(handle->root);
+
/* TODO this whole function needs a huge change, which hopefully will
* be possible with real transactions. Right now we only do half as much
* here as we do when we actually extract files in add.c with our 12
@@ -486,8 +491,9 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
int resolved_conflict = 0;
struct stat lsbuf;
char path[PATH_MAX];
+ size_t pathlen;
- snprintf(path, PATH_MAX, "%s%s", handle->root, filestr);
+ pathlen = snprintf(path, PATH_MAX, "%s%s", handle->root, filestr);
/* stat the file - if it exists, do some checks */
if(_alpm_lstat(path, &lsbuf) != 0) {
@@ -511,13 +517,13 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
/* if we made it to here, we want all subsequent path comparisons to
* not include the trailing slash. This allows things like file ->
* directory replacements. */
- path[strlen(path) - 1] = '\0';
+ path[pathlen - 1] = '\0';
}
- relative_path = path + strlen(handle->root);
+ relative_path = path + rootlen;
/* Check remove list (will we remove the conflicting local file?) */
- for(k = remove; k && !resolved_conflict; k = k->next) {
+ for(k = rem; k && !resolved_conflict; k = k->next) {
alpm_pkg_t *rempkg = k->data;
if(rempkg && _alpm_filelist_contains(alpm_pkg_get_files(rempkg),
relative_path)) {
@@ -566,17 +572,15 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
* consideration cannot itself be a link, as it might be unowned- path
* components can be safely checked as all directories are "unowned". */
if(!resolved_conflict && dbpkg && !S_ISLNK(lsbuf.st_mode)) {
- char *rpath = calloc(PATH_MAX, sizeof(char));
- const char *relative_rpath;
+ char rpath[PATH_MAX];
if(realpath(path, rpath)) {
- relative_rpath = rpath + strlen(handle->root);
+ const char *relative_rpath = rpath + rootlen;
if(_alpm_filelist_contains(alpm_pkg_get_files(dbpkg), relative_rpath)) {
_alpm_log(handle, ALPM_LOG_DEBUG,
"package contained the resolved realpath\n");
resolved_conflict = 1;
}
}
- free(rpath);
}
/* is the file unowned and in the backup list of the new package? */