From 9033ed2eb190d6de4d2fc3c42ebf7e8c8b9fb745 Mon Sep 17 00:00:00 2001 From: Peter Korsgaard Date: Sat, 14 May 2011 22:30:12 +0200 Subject: [PATCH] setenv: be robust against setenv(, NULL) Handle value == NULL similiar to how value == '' is currently handled. hush's builtin_getopt() seems to trigger this for OPTARG. Signed-off-by: Peter Korsgaard --- common/env.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/common/env.c b/common/env.c index b72b5d1..47cef05 100644 --- a/common/env.c +++ b/common/env.c @@ -205,7 +205,7 @@ int setenv(const char *_name, const char *value) struct variable_d *var; int ret = 0; - if (!*value) + if (value && !*value) value = NULL; -- 1.7.4.4