return *len ? s : NULL;
}
+const char *
+strtok_len_c (const char *s, const char *delim, size_t *len)
+{
+ /* strtok_len is already const-safe, but we can't express both
+ * versions in the C type system. */
+ return strtok_len ((char*)s, delim, len);
+}
+
char *
sanitize_string (const void *ctx, const char *str)
{
errno = err;
return -1;
}
+
+int
+strcase_equal (const void *a, const void *b)
+{
+ return strcasecmp (a, b) == 0;
+}
+
+unsigned int
+strcase_hash (const void *ptr)
+{
+ const char *s = ptr;
+
+ /* This is the djb2 hash. */
+ unsigned int hash = 5381;
+ while (s && *s) {
+ hash = ((hash << 5) + hash) + tolower (*s);
+ s++;
+ }
+
+ return hash;
+}