lib/efi: Cleanup read/write routines

[petitboot] / discover / parser.c

diff --git a/discover/parser.c b/discover/parser.c
index 5598f963e236d2c6806aa0ac9166b242c18d266a..54787201553010d808297eaf8cc8c1730540d0db 100644 (file)
--- a/discover/parser.c
+++ b/discover/parser.c
@@ -73,6 +73,36 @@ out:
        return rc;
 }
 
+bool parser_is_unique(struct discover_context *ctx, struct discover_device *dev,
+       const char *filename, struct list *found_list)
+{
+       struct stat stat;
+       struct parser_found_file *found_file;
+       const struct parser_found_file *entry;
+
+       if (parser_stat_path(ctx, dev, filename, &stat)) {
+               pb_debug("%s: Not found: '%s'\n", __func__, filename);
+               return false;
+       }
+
+       list_for_each_entry(found_list, entry, list) {
+               if (entry->ino == stat.st_ino) {
+                       pb_log("%s: Duplicate: '%s' = '%s'\n",
+                               __func__, filename, entry->filename);
+                       return false;
+               }
+       }
+
+       pb_debug("%s: Found:     '%s'\n", __func__, filename);
+
+       found_file = talloc_zero(found_list, struct parser_found_file);
+       found_file->filename = talloc_strdup(found_file, filename);
+       found_file->ino = stat.st_ino;
+       list_add(found_list, &found_file->list);
+
+       return true;
+}
+
 int parser_replace_file(struct discover_context *ctx,
                struct discover_device *dev, const char *filename,
                char *buf, int len)
@@ -128,6 +158,22 @@ out:
        return -1;
 }
 
+int parser_scandir(struct discover_context *ctx, const char *dirname,
+                  struct dirent ***files, int (*filter)(const struct dirent *),
+                  int (*comp)(const struct dirent **, const struct dirent **))
+{
+       char *path;
+       int n;
+
+       path = talloc_asprintf(ctx, "%s%s", ctx->device->mount_path, dirname);
+       if (!path)
+               return -1;
+
+       n = scandir(path, files, filter, comp);
+       talloc_free(path);
+       return n;
+}
+
 void iterate_parsers(struct discover_context *ctx)
 {
        struct p_item* i;