X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/agedu/blobdiff_plain/352f37e2de014cc666d8323167aa887ddf529cdc..256c29a27ba79677a78bc676a3cc73ee1aad2d68:/trie.c

diff --git a/trie.c b/trie.c
index acce8be..0466a34 100644
--- a/trie.c
+++ b/trie.c
@@ -617,3 +617,12 @@ off_t trie_get_index_offset(const void *t)
 {
     return ((const struct trie_header *)t)->indexroot;
 }
+
+void make_successor(char *pathbuf)
+{
+    int len = strlen(pathbuf);
+    if (len > 0 && pathbuf[len-1] == pathsep)
+	len--;
+    pathbuf[len] = '\001';
+    pathbuf[len+1] = '\0';
+}