untracked: fix detection of uname(2) failure
According to POSIX specification uname(2) must return -1 on failure
and a non-negative value on success. Although many implementations
do return 0 on success it is valid to return any positive value for
success. In particular, Solaris returns 1.
Signed-off-by: Charles Bailey <cbailey32@bloomberg.net>
Reviewed-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/dir.c b/dir.c
index e9eaf97..8d15e47 100644
--- a/dir.c
+++ b/dir.c
@@ -1801,7 +1801,7 @@
if (sb.len)
return sb.buf;
- if (uname(&uts))
+ if (uname(&uts) < 0)
die_errno(_("failed to get kernel name and information"));
strbuf_addf(&sb, "Location %s, system %s %s %s", get_git_work_tree(),
uts.sysname, uts.release, uts.version);
