worktree: use xsize_t to access file size

diff --git a/builtin/worktree.c b/builtin/worktree.c
index de26849f5551a12aac16e4121c7024ebb40502d2..2f4a4ef9cd71856d9e00e4ef4ea98e412034c859 100644 (file)
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -38,7 +38,8 @@ static int prune_worktree(const char *id, struct strbuf *reason)
 {
        struct stat st;
        char *path;
-       int fd, len;
+       int fd;
+       size_t len;
 
        if (!is_directory(git_path("worktrees/%s", id))) {
                strbuf_addf(reason, _("Removing worktrees/%s: not a valid directory"), id);
@@ -56,7 +57,7 @@ static int prune_worktree(const char *id, struct strbuf *reason)
                            id, strerror(errno));
                return 1;
        }
-       len = st.st_size;
+       len = xsize_t(st.st_size);
        path = xmallocz(len);
        read_in_full(fd, path, len);
        close(fd);