commit 0a9483d0af324e2f67bb3af427577a35fb7ed401
from: Stefan Sperling <stsp@stsp.name>
date: Mon Oct 19 23:14:59 2020 UTC

handle non-const basename in got_path_basename()

ok millert

commit - dbdd620944b55aa6cbe81fede1db6443521ac3ec
commit + 0a9483d0af324e2f67bb3af427577a35fb7ed401
blob - 549cac5f15819dd3e37527467f02c394f51d5006
blob + 0648aebafecc757f25710300b9e98d53c91c585a
--- lib/path.c
+++ lib/path.c
@@ -424,9 +424,13 @@ done:
 const struct got_error *
 got_path_basename(char **s, const char *path)
 {
+	char buf[PATH_MAX];
 	char *base;
 
-	base = basename(path);
+	if (strlcpy(buf, path, sizeof(buf)) >= sizeof(buf))
+		return got_error(GOT_ERR_NO_SPACE);
+
+	base = basename(buf);
 	if (base == NULL)
 		return got_error_from_errno2("basename", path);