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-rw-r--r--setup.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/setup.c b/setup.c
index f67250b7c..2cf0f1993 100644
--- a/setup.c
+++ b/setup.c
@@ -18,9 +18,12 @@ const char *prefix_path(const char *prefix, int len, const char *path)
if (normalize_path_copy(sanitized, sanitized))
goto error_out;
if (is_absolute_path(orig)) {
+ size_t len, total;
const char *work_tree = get_git_work_tree();
- size_t len = strlen(work_tree);
- size_t total = strlen(sanitized) + 1;
+ if (!work_tree)
+ goto error_out;
+ len = strlen(work_tree);
+ total = strlen(sanitized) + 1;
if (strncmp(sanitized, work_tree, len) ||
(sanitized[len] != '\0' && sanitized[len] != '/')) {
error_out: