text insertion working very well!

1 files changed, 19 insertions, 0 deletions

diff --git a/util.c b/util.c
index e183461..09da480 100644
--- a/util.c
+++ b/util.c
@@ -33,4 +33,23 @@ static double util_mind(double a, double b) {
 	return a < b ? a : b;
 }
 
+// for finding a character in a char32 string
+static char32_t *util_mem32chr(char32_t *s, char32_t c, size_t n) {
+	for (size_t i = 0; i < n; ++i) {
+		if (s[i] == c) {
+			return &s[i];
+		}
+	}
+	return NULL;
+}
+
+static char32_t const *util_mem32chr_const(char32_t const *s, char32_t c, size_t n) {
+	for (size_t i = 0; i < n; ++i) {
+		if (s[i] == c) {
+			return &s[i];
+		}
+	}
+	return NULL;
+}
+
 #endif