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-rw-r--r--libc/stdlib/realpath.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/libc/stdlib/realpath.c b/libc/stdlib/realpath.c
index b7c7ef413..aae8580a5 100644
--- a/libc/stdlib/realpath.c
+++ b/libc/stdlib/realpath.c
@@ -58,6 +58,14 @@ char resolved_path[];
int readlinks = 0;
int n;
+ if (path == NULL) {
+ __set_errno(EINVAL);
+ return NULL;
+ }
+ if (*path == '\0') {
+ __set_errno(ENOENT);
+ return NULL;
+ }
/* Make a copy of the source path since we may need to modify it. */
if (strlen(path) >= PATH_MAX - 2) {
__set_errno(ENAMETOOLONG);