use xopen() to handle fatal open(2) failures
Add and apply a semantic patch for using xopen() instead of calling
open(2) and die() or die_errno() explicitly. This makes the error
messages more consistent and shortens the code.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/csum-file.c b/csum-file.c
index c951cf8..26e8a6d 100644
--- a/csum-file.c
+++ b/csum-file.c
@@ -131,12 +131,8 @@ struct hashfile *hashfd_check(const char *name)
int sink, check;
struct hashfile *f;
- sink = open("/dev/null", O_WRONLY);
- if (sink < 0)
- die_errno("unable to open /dev/null");
- check = open(name, O_RDONLY);
- if (check < 0)
- die_errno("unable to open '%s'", name);
+ sink = xopen("/dev/null", O_WRONLY);
+ check = xopen(name, O_RDONLY);
f = hashfd(sink, name);
f->check_fd = check;
f->check_buffer = xmalloc(f->buffer_len);
