+
+static int file_is_conf(const struct dirent *d, const char *suffix) {
+ assert(d);
+
+ if (ignore_file(d->d_name))
+ return 0;
+
+ if (d->d_type != DT_REG &&
+ d->d_type != DT_LNK &&
+ d->d_type != DT_UNKNOWN)
+ return 0;
+
+ return endswith(d->d_name, suffix);
+}
+
+static int files_add(Hashmap *h, const char *path, const char *suffix) {
+ DIR *dir;
+ struct dirent *de;
+ int r = 0;
+
+ dir = opendir(path);
+ if (!dir) {
+ if (errno == ENOENT)
+ return 0;
+ return -errno;
+ }
+
+ for (de = readdir(dir); de; de = readdir(dir)) {
+ char *f;
+ const char *base;
+
+ if (!file_is_conf(de, suffix))
+ continue;
+
+ if (asprintf(&f, "%s/%s", path, de->d_name) < 0) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ log_debug("found: %s\n", f);
+ base = f + strlen(path) + 1;
+ if (hashmap_put(h, base, f) <= 0)
+ free(f);
+ }
+
+finish:
+ closedir(dir);
+ return r;
+}
+
+static int base_cmp(const void *a, const void *b) {
+ const char *s1, *s2;
+
+ s1 = *(char * const *)a;
+ s2 = *(char * const *)b;
+ return strcmp(file_name_from_path(s1), file_name_from_path(s2));
+}
+
+char **conf_files_list(const char *suffix, const char *dir, ...) {
+ Hashmap *fh;
+ char **files = NULL;
+ va_list ap;
+ int e = 0;
+
+ fh = hashmap_new(string_hash_func, string_compare_func);
+ if (!fh) {
+ e = ENOMEM;
+ goto finish;
+ }
+
+ va_start(ap, dir);
+ while (dir) {
+ if (files_add(fh, dir, suffix) < 0) {
+ log_error("Failed to search for files.");
+ e = EINVAL;
+ goto finish;
+ }
+ dir = va_arg(ap, const char *);
+ }
+ va_end(ap);
+
+ files = hashmap_get_strv(fh);
+ if (files == NULL) {
+ log_error("Failed to compose list of files.");
+ e = ENOMEM;
+ goto finish;
+ }
+
+ qsort(files, hashmap_size(fh), sizeof(char *), base_cmp);
+finish:
+ hashmap_free(fh);
+ errno = e;
+ return files;
+}
~ianmdlvl / elogind.git / commitdiff