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authorAndrew Gregory <andrew.gregory.8@gmail.com>2012-08-06 22:18:14 -0400
committerAllan McRae <allan@archlinux.org>2012-12-14 12:35:34 +1000
commit28d404f16aca8ae1b7640b32c221c8b8860f8ce0 (patch)
treeb8037499ff2597872710934346984fdc1462361c /lib/libalpm/filelist.c
parent80bc89c14768590e6ce3d33efaea8852a4db586c (diff)
_alpm_filelist_resolve: use original filenames where possible
If a filename isn't resolved, the original can be used instead of strdup()ing it. Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com> Signed-off-by: Allan McRae <allan@archlinux.org>
Diffstat (limited to 'lib/libalpm/filelist.c')
-rw-r--r--lib/libalpm/filelist.c37
1 files changed, 21 insertions, 16 deletions
diff --git a/lib/libalpm/filelist.c b/lib/libalpm/filelist.c
index 0a62a2dc..a3f63970 100644
--- a/lib/libalpm/filelist.c
+++ b/lib/libalpm/filelist.c
@@ -57,13 +57,13 @@ size_t _alpm_filelist_resolve_link(
causal_dir = files->files[i].name;
causal_dir_len = strlen(causal_dir);
if(realpath(path, filename_r) == NULL) {
- STRDUP(files->resolved_path[i], causal_dir, goto error);
+ files->resolved_path[i] = causal_dir;
FREE(filename_r);
return i;
}
causal_dir_r_len = strlen(filename_r + root_len) + 1;
if(causal_dir_r_len >= PATH_MAX) {
- STRDUP(files->resolved_path[i], causal_dir, goto error);
+ files->resolved_path[i] = causal_dir;
FREE(filename_r);
return i;
}
@@ -91,23 +91,25 @@ size_t _alpm_filelist_resolve_link(
filename_r_len = filename_len + causal_dir_r_len - causal_dir_len;
if(filename_r_len >= PATH_MAX) {
/* resolved path is too long */
- STRDUP(files->resolved_path[i], filename, goto error);
+ files->resolved_path[i] = filename;
continue;
}
strcpy(filename_r + causal_dir_r_len, filename + causal_dir_len);
- } else {
- filename_r = filename;
}
/* deal with files and paths too long to resolve*/
if(filename[filename_len - 1] != '/' || root_len + filename_r_len >= PATH_MAX) {
- STRDUP(files->resolved_path[i], filename_r, goto error);
+ if(resolving) {
+ STRDUP(files->resolved_path[i], filename_r, goto error);
+ } else {
+ files->resolved_path[i] = filename;
+ }
continue;
}
/* construct absolute path and stat() */
- strcpy(path + root_len, filename_r);
+ strcpy(path + root_len, resolving ? filename_r : filename);
exists = !_alpm_lstat(path, &sbuf);
/* deal with symlinks */
@@ -117,7 +119,11 @@ size_t _alpm_filelist_resolve_link(
}
/* deal with normal directories */
- STRDUP(files->resolved_path[i], filename_r, goto error);
+ if(resolving) {
+ STRDUP(files->resolved_path[i], filename_r, goto error);
+ } else {
+ files->resolved_path[i] = filename;
+ }
/* deal with children of non-existent directories to reduce lstat() calls */
if (!exists) {
@@ -136,25 +142,24 @@ size_t _alpm_filelist_resolve_link(
strcpy(filename_r + causal_dir_r_len, f + causal_dir_len);
STRDUP(files->resolved_path[i], filename_r, goto error);
} else {
- STRDUP(files->resolved_path[i], f, goto error);
+ files->resolved_path[i] = f;
}
}
i--;
}
}
- if(resolving) {
- FREE(filename_r);
- }
+ FREE(filename_r);
return i-1;
error:
- if(resolving) {
- FREE(filename_r);
+ FREE(filename_r);
+ /* out of memory, set remaining files to their original names */
+ for(; i < files->count; (i)++) {
+ files->resolved_path[i] = files->files[i].name;
}
- /* out of memory, not much point in going on */
- return files->count;
+ return i-1;
}
/**