diff options
| -rw-r--r-- | src/env/setenv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/env/setenv.c b/src/env/setenv.c index 03e165c8..c2c25444 100644 --- a/src/env/setenv.c +++ b/src/env/setenv.c @@ -9,7 +9,7 @@ int setenv(const char *var, const char *value, int overwrite) char *s; int l1, l2; - if (strchr(var, '=')) { + if (!var || !*var || strchr(var, '=')) { errno = EINVAL; return -1; } |