Fixed return value from cstr_find_n(), and added cstr_length() alias to cstr_size().

1 files changed, 4 insertions, 1 deletions

diff --git a/stc/cstr.h b/stc/cstr.h
index 57131b2c..4f701c33 100644
--- a/stc/cstr.h
+++ b/stc/cstr.h
@@ -170,6 +170,9 @@ cstr_getline(cstr_t *self, FILE *stream) {
 

 /* readonly */

 

+STC_INLINE size_t

+cstr_length(cstr_t s) { return cstr_size(s); }

+

 STC_INLINE bool

 cstr_equals(cstr_t s1, const char* str) {

     return strcmp(s1.str, str) == 0;

@@ -190,7 +193,7 @@ cstr_find(cstr_t s, const char* needle) {
 }

 STC_INLINE size_t

 cstr_find_n(cstr_t s, const char* needle, size_t pos, size_t nlen) {

-    if (pos > cstr_size(s)) return NULL;

+    if (pos > cstr_size(s)) return cstr_npos;

     char* res = c_strnfind(s.str + pos, needle, nlen);

     return res ? res - s.str : cstr_npos;

 }