Store certs in certs/. Add mg_unpacked()

mongoose.c

@@ -855,13 +855,11 @@ struct packed_file {
   size_t pos;
 };
 
-const char *mg_unpack(const char *path, size_t *size, time_t *mtime);
-const char *mg_unlist(size_t no);
-
 #if MG_ENABLE_PACKED_FS
 #else
 const char *mg_unpack(const char *path, size_t *size, time_t *mtime) {
-  (void) path, (void) size, (void) mtime;
+  *size = 0, *mtime = 0;
+  (void) path;
   return NULL;
 }
 const char *mg_unlist(size_t no) {
@@ -870,6 +868,12 @@ const char *mg_unlist(size_t no) {
 }
 #endif
 
+struct mg_str mg_unpacked(const char *path) {
+  size_t len = 0;
+  const char *buf = mg_unpack(path, &len, NULL);
+  return mg_str_n(buf, len);
+}
+
 static int is_dir_prefix(const char *prefix, size_t n, const char *path) {
   // MG_INFO(("[%.*s] [%s] %c", (int) n, prefix, path, path[n]));
   return n < strlen(path) && strncmp(prefix, path, n) == 0 &&
@@ -1533,7 +1537,7 @@ int mg_http_parse(const char *s, size_t len, struct mg_http_message *hm) {
     hm->body.len = 0;
     hm->message.len = (size_t) req_len;
   }
-  if (hm->message.len < (size_t) req_len) return -1; // Overflow protection
+  if (hm->message.len < (size_t) req_len) return -1;  // Overflow protection
 
   return req_len;
 }