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-rw-r--r--sysdeps/generic/setenv.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/generic/setenv.c b/sysdeps/generic/setenv.c
index a19771391d..48aaecffe0 100644
--- a/sysdeps/generic/setenv.c
+++ b/sysdeps/generic/setenv.c
@@ -265,6 +265,12 @@ setenv (name, value, replace)
const char *value;
int replace;
{
+ if (name == NULL || *name == '\0' || strchr (name, '=') != NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
return __add_to_environ (name, value, NULL, replace);
}