Check for setvbuf failure.
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---
diff --git a/blktrace.c b/blktrace.c
index 72866e2..848250d 100644
--- a/blktrace.c
+++ b/blktrace.c
@@ -2178,7 +2178,10 @@ static int handle_args(int argc, char *argv[])
piped_output = 1;
handle_pfds = handle_pfds_entries;
pfp = stdout;
- setvbuf(pfp, NULL, _IONBF, 0);
+ if (setvbuf(pfp, NULL, _IONBF, 0)) {
+ perror("setvbuf stdout");
+ return 1;
+ }
} else
handle_pfds = handle_pfds_file;
return 0;
--
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