Fix getpath() not to crash when path exceeds MAX_PATH_LEN

Trivial for players to trigger.  Broken in commit 0b0612ea, v4.3.16.
Spotted by the Clang Static Analyzer.

diff --git a/src/lib/subs/paths.c b/src/lib/subs/paths.c
index e9754b3db214440ef7208fa2cd1b17fe16ff9230..4a95ed38739e98cdb4e6dfe3609393783e98588a 100644 (file)
--- a/src/lib/subs/paths.c
+++ b/src/lib/subs/paths.c
@@ -173,7 +173,7 @@ getpath(char *buf, char *arg, coord x, coord y, int onlyown,
     if (p + strlen(bp) + 1 >= buf + MAX_PATH_LEN) {
        pr("Path length may not exceed %d.\n", MAX_PATH_LEN);
        pr("Aborting...\n");
-       bp = NULL;
+       return NULL;
     }
     strcpy(p, bp);
     if (*bp)