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nixpkgs/pkgs/development/libraries/libical/respect-env-tzdir.patch
2017-11-05 20:44:07 +01:00

30 lines
874 B
Diff

--- a/src/libical/icaltz-util.c
+++ b/src/libical/icaltz-util.c
@@ -96,9 +96,9 @@ typedef struct
static char *zdir = NULL;
static char *search_paths[] = {
+ "/etc/zoneinfo",
"/usr/share/zoneinfo",
"/usr/lib/zoneinfo",
- "/etc/zoneinfo",
"/usr/share/lib/zoneinfo"
};
@@ -179,6 +179,15 @@ static void set_zonedir(void)
const char *fname = ZONES_TAB_SYSTEM_FILENAME;
size_t i, num_search_paths;
+ const char *env_tzdir = getenv ("TZDIR");
+ if (env_tzdir) {
+ snprintf(file_path, MAXPATHLEN, "%s/%s", env_tzdir, fname);
+ if (!access (file_path, F_OK|R_OK)) {
+ zdir = env_tzdir;
+ return;
+ }
+ }
+
num_search_paths = sizeof(search_paths) / sizeof(search_paths[0]);
for (i = 0; i < num_search_paths; i++) {
snprintf(file_path, MAXPATHLEN, "%s/%s", search_paths[i], fname);