flb_utils: suppress errno when file is empty but readable.

# Summary Suppress a false error log when flb_utils_read_file reads empty files. Signed-off-by: Phillip Whelan <[email protected]>
fluent · Aug 17, 2023 · 36898d0 · 36898d0
1 parent 8ae604e
commit 36898d0
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/flb_utils.c b/src/flb_utils.c
@@ -1303,7 +1303,9 @@ int flb_utils_read_file(char *path, char **out_buf, size_t *out_size)
 
     bytes = fread(buf, st.st_size, 1, fp);
     if (bytes < 1) {
-        flb_errno();
+        if (bytes < 0) {
+            flb_errno();
+        }
         flb_free(buf);
         fclose(fp);
         return -1;