feat: allow setting log level

src/lander/lander_post.c

@@ -45,6 +45,7 @@ static bool add_entry(char **key_ptr, int *key_len_ptr, http_loop_ctx *ctx,
   buf[key_len + 1] = '\0';
 
   http_res_add_header(&ctx->res, http_header_location, buf, true);
+  ctx->res.status = http_created;
 
   if (key_ptr != NULL) {
     *key_ptr = key;

src/log.c

@@ -5,7 +5,13 @@
 const char *log_level_names[] = {"DEBUG", "INFO ", "WARN ", "ERROR",
                                  "CRITICAL"};
 
+log_level _log_level = log_level_debug;
+
 void _lander_log(log_level level, FILE *f, const char *fmt, ...) {
+  if (level < _log_level) {
+    return;
+  }
+
   // Log to stdout by default
   f = (f == NULL) ? stdout : f;