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-rw-r--r--lib/libalpm/conflict.c89
1 files changed, 53 insertions, 36 deletions
diff --git a/lib/libalpm/conflict.c b/lib/libalpm/conflict.c
index ad689dcf..8cf16191 100644
--- a/lib/libalpm/conflict.c
+++ b/lib/libalpm/conflict.c
@@ -34,6 +34,7 @@
/* libalpm */
#include "conflict.h"
#include "alpm_list.h"
+#include "alpm.h"
#include "handle.h"
#include "trans.h"
#include "util.h"
@@ -222,6 +223,7 @@ static const int DIFFERENCE = 0;
static const int INTERSECT = 1;
/* Returns a set operation on the provided two lists of files.
* Pre-condition: both lists are sorted!
+ * When done, free the list but NOT the contained data.
*
* Operations:
* DIFFERENCE - a difference operation is performed. filesA - filesB.
@@ -234,8 +236,10 @@ static alpm_list_t *filelist_operation(alpm_list_t *filesA, alpm_list_t *filesB,
alpm_list_t *pA = filesA, *pB = filesB;
while(pA && pB) {
- const char *strA = pA->data;
- const char *strB = pB->data;
+ alpm_file_t *fileA = pA->data;
+ alpm_file_t *fileB = pB->data;
+ const char *strA = fileA->name;
+ const char *strB = fileB->name;
/* skip directories, we don't care about them */
if(strA[strlen(strA)-1] == '/') {
pA = pA->next;
@@ -246,7 +250,7 @@ static alpm_list_t *filelist_operation(alpm_list_t *filesA, alpm_list_t *filesB,
if(cmp < 0) {
if(operation == DIFFERENCE) {
/* item only in filesA, qualifies as a difference */
- ret = alpm_list_add(ret, strdup(strA));
+ ret = alpm_list_add(ret, fileA);
}
pA = pA->next;
} else if(cmp > 0) {
@@ -254,7 +258,7 @@ static alpm_list_t *filelist_operation(alpm_list_t *filesA, alpm_list_t *filesB,
} else {
if(operation == INTERSECT) {
/* item in both, qualifies as an intersect */
- ret = alpm_list_add(ret, strdup(strA));
+ ret = alpm_list_add(ret, fileA);
}
pA = pA->next;
pB = pB->next;
@@ -264,10 +268,11 @@ static alpm_list_t *filelist_operation(alpm_list_t *filesA, alpm_list_t *filesB,
/* if doing a difference, ensure we have completely emptied pA */
while(operation == DIFFERENCE && pA) {
- const char *strA = pA->data;
+ alpm_file_t *fileA = pA->data;
+ const char *strA = fileA->name;
/* skip directories */
if(strA[strlen(strA)-1] != '/') {
- ret = alpm_list_add(ret, strdup(strA));
+ ret = alpm_list_add(ret, fileA);
}
pA = pA->next;
}
@@ -314,13 +319,27 @@ void _alpm_fileconflict_free(alpm_fileconflict_t *conflict)
FREE(conflict);
}
+const alpm_file_t *_alpm_filelist_contains(const alpm_list_t *haystack,
+ const char *needle)
+{
+ const alpm_list_t *lp = haystack;
+ while(lp) {
+ const alpm_file_t *file = lp->data;
+ if(strcmp(file->name, needle) == 0) {
+ return file;
+ }
+ lp = lp->next;
+ }
+ return NULL;
+}
+
static int dir_belongsto_pkg(const char *root, const char *dirpath,
alpm_pkg_t *pkg)
{
- struct dirent *ent = NULL;
struct stat sbuf;
char path[PATH_MAX];
char abspath[PATH_MAX];
+ struct dirent *ent = NULL;
DIR *dir;
snprintf(abspath, PATH_MAX, "%s%s", root, dirpath);
@@ -328,6 +347,7 @@ static int dir_belongsto_pkg(const char *root, const char *dirpath,
if(dir == NULL) {
return 1;
}
+
while((ent = readdir(dir)) != NULL) {
const char *name = ent->d_name;
@@ -347,7 +367,7 @@ static int dir_belongsto_pkg(const char *root, const char *dirpath,
return 0;
}
} else {
- if(alpm_list_find_str(alpm_pkg_get_files(pkg), path)) {
+ if(_alpm_filelist_contains(alpm_pkg_get_files(pkg), path)) {
continue;
} else {
closedir(dir);
@@ -365,7 +385,7 @@ static int dir_belongsto_pkg(const char *root, const char *dirpath,
alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
alpm_list_t *upgrade, alpm_list_t *remove)
{
- alpm_list_t *i, *j, *conflicts = NULL;
+ alpm_list_t *i, *conflicts = NULL;
size_t numtargs = alpm_list_count(upgrade);
size_t current;
alpm_trans_t *trans = handle->trans;
@@ -379,14 +399,9 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
* here as we do when we actually extract files in add.c with our 12
* different cases. */
for(current = 0, i = upgrade; i; i = i->next, current++) {
- alpm_list_t *k, *tmpfiles;
- alpm_pkg_t *p1, *p2, *dbpkg;
- char path[PATH_MAX];
-
- p1 = i->data;
- if(!p1) {
- continue;
- }
+ alpm_pkg_t *p1 = i->data;
+ alpm_list_t *j, *tmpfiles;
+ alpm_pkg_t *dbpkg;
int percent = (current * 100) / numtargs;
PROGRESS(trans, ALPM_TRANS_PROGRESS_CONFLICTS_START, "", percent,
@@ -396,14 +411,13 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
alpm_pkg_get_name(p1));
for(j = i->next; j; j = j->next) {
alpm_list_t *common_files;
- p2 = j->data;
- if(!p2) {
- continue;
- }
+ alpm_pkg_t *p2 = j->data;
common_files = filelist_operation(alpm_pkg_get_files(p1),
alpm_pkg_get_files(p2), INTERSECT);
if(common_files) {
+ alpm_list_t *k;
+ char path[PATH_MAX];
for(k = common_files; k; k = k->next) {
snprintf(path, PATH_MAX, "%s%s", handle->root, (char *)k->data);
conflicts = add_fileconflict(handle, conflicts,
@@ -415,7 +429,7 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
return NULL;
}
}
- FREELIST(common_files);
+ alpm_list_free(common_files);
}
}
@@ -439,10 +453,14 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
}
for(j = tmpfiles; j; j = j->next) {
- struct stat lsbuf;
- const char *filestr = j->data, *relative_path;
+ alpm_file_t *file = j->data;
+ const char *filestr = file->name;
+ const char *relative_path;
+ alpm_list_t *k;
/* have we acted on this conflict? */
int resolved_conflict = 0;
+ struct stat lsbuf;
+ char path[PATH_MAX];
snprintf(path, PATH_MAX, "%s%s", handle->root, filestr);
@@ -451,7 +469,7 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
continue;
}
- if(path[strlen(path) - 1] == '/') {
+ if(S_ISDIR(file->mode)) {
struct stat sbuf;
if(S_ISDIR(lsbuf.st_mode)) {
_alpm_log(handle, ALPM_LOG_DEBUG, "%s is a directory, not a conflict\n", path);
@@ -475,32 +493,31 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
/* Check remove list (will we remove the conflicting local file?) */
for(k = remove; k && !resolved_conflict; k = k->next) {
alpm_pkg_t *rempkg = k->data;
- if(alpm_list_find_str(alpm_pkg_get_files(rempkg), relative_path)) {
+ if(rempkg && _alpm_filelist_contains(alpm_pkg_get_files(rempkg),
+ relative_path)) {
_alpm_log(handle, ALPM_LOG_DEBUG,
- "local file will be removed, not a conflict: %s\n",
- relative_path);
+ "local file will be removed, not a conflict: %s\n", path);
resolved_conflict = 1;
}
}
/* Look at all the targets to see if file has changed hands */
for(k = upgrade; k && !resolved_conflict; k = k->next) {
- p2 = k->data;
+ alpm_pkg_t *p2 = k->data;
if(!p2 || strcmp(p1->name, p2->name) == 0) {
continue;
}
alpm_pkg_t *localp2 = _alpm_db_get_pkgfromcache(handle->db_local, p2->name);
/* localp2->files will be removed (target conflicts are handled by CHECK 1) */
- if(localp2 && alpm_list_find_str(alpm_pkg_get_files(localp2), filestr)) {
+ if(localp2 && _alpm_filelist_contains(alpm_pkg_get_files(localp2), filestr)) {
/* skip removal of file, but not add. this will prevent a second
* package from removing the file when it was already installed
* by its new owner (whether the file is in backup array or not */
handle->trans->skip_remove =
alpm_list_add(handle->trans->skip_remove, strdup(filestr));
_alpm_log(handle, ALPM_LOG_DEBUG,
- "file changed packages, adding to remove skiplist: %s\n",
- filestr);
+ "file changed packages, adding to remove skiplist: %s\n", path);
resolved_conflict = 1;
}
}
@@ -509,7 +526,7 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
if(!resolved_conflict && S_ISDIR(lsbuf.st_mode) && dbpkg) {
char *dir = malloc(strlen(filestr) + 2);
sprintf(dir, "%s/", filestr);
- if(alpm_list_find_str(alpm_pkg_get_files(dbpkg),dir)) {
+ if(_alpm_filelist_contains(alpm_pkg_get_files(dbpkg), dir)) {
_alpm_log(handle, ALPM_LOG_DEBUG,
"check if all files in %s belongs to %s\n",
dir, dbpkg->name);
@@ -526,7 +543,7 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
continue;
}
relative_rpath = rpath + strlen(handle->root);
- if(alpm_list_find_str(alpm_pkg_get_files(dbpkg), relative_rpath)) {
+ if(_alpm_filelist_contains(alpm_pkg_get_files(dbpkg), relative_rpath)) {
resolved_conflict = 1;
}
free(rpath);
@@ -539,7 +556,7 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
FREELIST(conflicts);
if(dbpkg) {
/* only freed if it was generated from filelist_operation() */
- FREELIST(tmpfiles);
+ alpm_list_free(tmpfiles);
}
return NULL;
}
@@ -547,7 +564,7 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
}
if(dbpkg) {
/* only freed if it was generated from filelist_operation() */
- FREELIST(tmpfiles);
+ alpm_list_free(tmpfiles);
}
}
PROGRESS(trans, ALPM_TRANS_PROGRESS_CONFLICTS_START, "", 100,

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