From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 25 Oct 2014 14:12:16 +0000 (+0200)
Subject: tools/ffhash: read errno before calling functions which might change it
X-Git-Tag: n2.5~798
X-Git-Url: http://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff_plain/39a7ded22df3f0bae46706800da6eeede744c14f

tools/ffhash: read errno before calling functions which might change it

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---

diff --git a/tools/ffhash.c b/tools/ffhash.c
index a9f71c26c5..6942527732 100644
--- a/tools/ffhash.c
+++ b/tools/ffhash.c
@@ -94,9 +94,10 @@ static int check(char *file)
     for (;;) {
         int size = read(fd, buffer, SIZE);
         if (size < 0) {
+            int err = errno;
             close(fd);
             finish();
-            printf("+READ-FAILED: %s", strerror(errno));
+            printf("+READ-FAILED: %s", strerror(err));
             ret = 2;
             goto end;
         } else if(!size)