From 36898d0240408b775a0ab73fa0c0b90e7ea7f86a Mon Sep 17 00:00:00 2001
From: Phillip Whelan <phil@calyptia.com>
Date: Thu, 17 Aug 2023 12:08:18 -0400
Subject: [PATCH] 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 <phil@calyptia.com>
---
 src/flb_utils.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/flb_utils.c b/src/flb_utils.c
index ac876175a56..d0864d4d9f1 100644
--- 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;