detect close failure on just-written file handles
I audited git for potential undetected write failures.
In the cases fixed below, the diagnostics I add mimic the diagnostics
used in surrounding code, even when that means not reporting
the precise strerror(errno) cause of the error.
Signed-off-by: Jim Meyering <jim@meyering.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/index-pack.c b/index-pack.c
index 82c8da3..8403c36 100644
--- a/index-pack.c
+++ b/index-pack.c
@@ -634,7 +634,8 @@
write_or_die(keep_fd, keep_msg, keep_msg_len);
write_or_die(keep_fd, "\n", 1);
}
- close(keep_fd);
+ if (close(keep_fd) != 0)
+ die("cannot write keep file");
report = "keep";
}
}
