Subject: [PATCH 09/15] rerere.c: report correct errno

From: Nguyễn Thái Ngọc Duy <[email-masked]>
Date: Thu, 20 Apr 2017 18:26:03 +0700

In the first case, we should have reported the reason fopen() fails. In
the second case, fclose() might change errno but we want to report
fopen() failure.

Signed-off-by: Nguyễn Thái Ngọc Duy <[email-masked]>
---
 rerere.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/rerere.c b/rerere.c
index ef9b11578f..f10c3d8ae6 100644
--- a/rerere.c
+++ b/rerere.c
@@ -487,13 +487,14 @@ static int handle_file(const char *path, unsigned char *sha1, const char *output
 	io.input = fopen(path, "r");
 	io.io.wrerror = 0;
 	if (!io.input)
-		return error("Could not open %s", path);
+		return error_errno("Could not open %s", path);
 
 	if (output) {
 		io.io.output = fopen(output, "w");
 		if (!io.io.output) {
+			error_errno("Could not write %s", output);
 			fclose(io.input);
-			return error("Could not write %s", output);
+			return -1;
 		}
 	}
 
-- 
2.11.0.157.gd943d85