char *av_stristr(const char *s1, const char *s2)
{
if (!*s2)
- return s1;
+ return (char*)(intptr_t)s1;
do {
if (av_stristart(s1, s2, NULL))
- return s1;
+ return (char*)(intptr_t)s1;
} while (*s1++);
return NULL;
return ret;
}
+char *av_strtok(char *s, const char *delim, char **saveptr)
+{
+ char *tok;
+
+ if (!s && !(s = *saveptr))
+ return NULL;
+
+ /* skip leading delimiters */
+ s += strspn(s, delim);
+
+ /* s now points to the first non delimiter char, or to the end of the string */
+ if (!*s) {
+ *saveptr = NULL;
+ return NULL;
+ }
+ tok = s++;
+
+ /* skip non delimiters */
+ s += strcspn(s, delim);
+ if (*s) {
+ *s = 0;
+ *saveptr = s+1;
+ } else {
+ *saveptr = NULL;
+ }
+
+ return tok;
+}
+
+int av_strcasecmp(const char *a, const char *b)
+{
+ uint8_t c1, c2;
+ do {
+ c1 = av_tolower(*a++);
+ c2 = av_tolower(*b++);
+ } while (c1 && c1 == c2);
+ return c1 - c2;
+}
+
+int av_strncasecmp(const char *a, const char *b, size_t n)
+{
+ const char *end = a + n;
+ uint8_t c1, c2;
+ do {
+ c1 = av_tolower(*a++);
+ c2 = av_tolower(*b++);
+ } while (a < end && c1 && c1 == c2);
+ return c1 - c2;
+}
+
#ifdef TEST
#undef printf