builtin/commit.c: use xstrdup_or_null instead of envdup
commiteaa541eb59aefa2c5e9e160c36a259d372c25711
authorJeff King <peff@peff.net>
Tue, 13 Jan 2015 01:58:33 +0000 (12 20:58 -0500)
committerJunio C Hamano <gitster@pobox.com>
Tue, 13 Jan 2015 18:03:40 +0000 (13 10:03 -0800)
treef6fc71bdcff03eb105a32bcfbb3b4833a48a0e52
parent444069078687fc00586824a21eff9758fc4d0625
builtin/commit.c: use xstrdup_or_null instead of envdup

The only reason for envdup to be its own function is that we
have to save the result in a temporary string. With
xstrdup_or_null, we can feed the result of getenv()
directly.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
builtin/commit.c