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-rw-r--r--src/basic/string-util.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/basic/string-util.c b/src/basic/string-util.c
index 849e457439..1f95a9abba 100644
--- a/src/basic/string-util.c
+++ b/src/basic/string-util.c
@@ -348,6 +348,36 @@ char *ascii_strlower_n(char *t, size_t n) {
return t;
}
+int ascii_strcasecmp_n(const char *a, const char *b, size_t n) {
+
+ for (; n > 0; a++, b++, n--) {
+ int x, y;
+
+ x = (int) (uint8_t) ascii_tolower(*a);
+ y = (int) (uint8_t) ascii_tolower(*b);
+
+ if (x != y)
+ return x - y;
+ }
+
+ return 0;
+}
+
+int ascii_strcasecmp_nn(const char *a, size_t n, const char *b, size_t m) {
+ int r;
+
+ r = ascii_strcasecmp_n(a, b, MIN(n, m));
+ if (r != 0)
+ return r;
+
+ if (n < m)
+ return -1;
+ else if (n > m)
+ return 1;
+ else
+ return 0;
+}
+
bool chars_intersect(const char *a, const char *b) {
const char *p;