1 files changed, 40 insertions, 0 deletions
diff --git a/src/user/lib/libc/std/string.c b/src/user/lib/libc/std/string.c
index 5a41b7e..d8e4a48 100644
--- a/src/user/lib/libc/std/string.c
+++ b/src/user/lib/libc/std/string.c
@@ -79,3 +79,43 @@ uint16_t *memsetw(uint16_t *dest, uint16_t val, int count) {
 	}
 	return dest;
 }
+
+
+// Formatting
+
+char* format_int(char* buf, int number) {
+	if (number == 0) {
+		*(buf++) = '0';
+		return buf;
+	}
+	if (number < 0) {
+		*(buf++) = '-';
+		number = 0 - number;
+	}
+
+	int order = 0, temp = number, i;
+	char numbers[] = "0123456789";
+	while (temp > 0) {
+		order++;
+		temp /= 10;
+	}
+
+	for (i = order; i > 0; i--) {
+		buf[i - 1] = numbers[number % 10];
+		number /= 10;
+	}
+	return buf + order;
+}
+
+char* format_hex(char *buf, unsigned v) {
+	*(buf++) = '0';
+	*(buf++) = 'x';
+
+	int i;
+	char hexdigits[] = "0123456789ABCDEF";
+	for (i = 0; i < 8; i++) {
+		*(buf++) = hexdigits[v >> 28];
+		v = v << 4;
+	}
+	return buf;
+}