diff options
Diffstat (limited to 'pfxtree.c')
| -rw-r--r-- | pfxtree.c | 13 |
1 files changed, 6 insertions, 7 deletions
@@ -1,6 +1,6 @@ /* * libpfxtree - Delwink prefix tree library - * Copyright (C) 2015, 2017 Delwink, LLC + * Copyright (C) 2015, 2017, 2020 Delwink, LLC * * Redistributions, modified or unmodified, in whole or in part, must retain * applicable copyright or other legal privilege notices, these conditions, and @@ -113,7 +113,7 @@ static int add(PrefixTree *self, const char *word, union _pt_data data, int type) { int rc = 0; - PrefixTree *node = self; + PrefixTree *node = self, *first_insertion = NULL; size_t i, len = strlen(word); for (i = 0; i <= len; ++i) @@ -125,11 +125,9 @@ add(PrefixTree *self, const char *word, union _pt_data data, int type) node = child; } - PrefixTree *first_insertion = NULL; - for (; i <= len; ++i) { - PrefixTree *new = pt_new(); + PrefixTree *new = pt_new(), *end; if (!new) { rc = PT_EALLOC; @@ -139,7 +137,7 @@ add(PrefixTree *self, const char *word, union _pt_data data, int type) new->ch = word[i]; new->parent = node; - PrefixTree *end = get_last_child(node); + end = get_last_child(node); if (!end) node->children = new; else @@ -182,10 +180,11 @@ pt_add_p(PrefixTree *self, const char *word, void *data) static size_t num_children(PrefixTree *self) { + size_t i; + if (!self->children) return 0; - size_t i; self = self->children; for (i = 1; self->next; ++i) self = self->next; |