strcmp() added

stlio.c

@@ -22,6 +22,15 @@ u32 strlen(const char* buffer) {
 	return i;
 }
 
+u32 strcmp(const char* left, const char* right) {
+	u32 s = strlen(left);
+	for(u32 i = 0; i<s; i++) {
+		if(left[i] != right[i]) {
+			return 1;
+		}
+	}
+	return 0;
+}
 u32 write(const char* buffer, const u32 size) {
 	u32 i;
 	for(i = 0; i < size; i++) {
@@ -54,6 +63,9 @@ u32 read(char* buffer, u32 size) {
 		__char_set(&state, kbd_state);
 		if(pit_timer_ticks - kbd_time < 0x20 && state == KBD_RELEASE) {
 			__char_set(&(buffer[bytes]), (u8)kbd_key);
+			if(kbd_key == '\n') {
+				return bytes;
+			}
 			bytes++;
 			__char_set(&kbd_state, KBD_WAITING); // reset the kbd_state since we've now used it
 			putch(kbd_key);

stlio.h

@@ -5,8 +5,12 @@
 // Frame buffer driver
 
 // NOTE: not getting computed at compile time so we always have a call
+#define LINE_LENGTH COLUMNS
+
 u32 strlen(const char*);
 
+u32 strcmp(const char*, const char*);
+
 u32 write(const char*, const u32);
 
 u32 read(char*, u32);