fix logging bug

src/files.c

@@ -54,6 +54,9 @@ HiResult file_copy(const char *srcname, const char *destination) {
     goto cleanup;
   }
 
+  // BUG: Maybe. Sometimes the copied file is 0 bytes with no clear errors.
+  // Maybe bytes_read ends up being 0 without it being an error condition,
+  // so ferror doesn't get flagged.
   char buffer[HI_FILE_BUFFER_SIZE];
   size_t bytes_read = 0;
   while ((bytes_read = fread(buffer, 1, sizeof buffer, src)) > 0) {
@@ -64,7 +67,7 @@ HiResult file_copy(const char *srcname, const char *destination) {
   }
 
   if (ferror(src)) {
-    log_error("Error reading from source: %s\n");
+    log_error("Error reading from source: %s\n", strerror(errno));
     goto cleanup;
   }
 

src/hiload.c

@@ -215,8 +215,8 @@ int hi_init(size_t n, const char **enabled_modules) {
     fprintf(stderr, "Failed to init logger.\n");
     return 1;
   }
-  log_set_level("DEBUG");
-  log_set_thread_name("Main");
+  log_set_level("WARNING");
+  log_set_thread_name("Hiload");
 
   // Start the filewatcher
   context.filewatcher = filewatcher_create();