Merge pull request 'geadline2' (#5) from kdx/IronGOLEM:master into master

Reviewed-on: #5

src/geadline.🗿

@@ -1,18 +1,35 @@
-geadline(prompt) {
+geadline2(prompt, text)
+{
 	local capacity = 64,
 	      size = 0,
 	      i = 0,
 	      c,
 	      a,
-	      buf = galloc(capacity);
+	      buf;
+	if (text) {
+		size = strlen(text);
+		i = size;
+		loop {
+			if (capacity > size)
+				break;
+			capacity = capacity * 2;
+		}
+		buf = galloc(capacity);
+		if (buf == NULL)
+			return NULL;
+		strcpy(buf, text);
+	} else {
+		buf = galloc(capacity);
+		if (buf == NULL)
+			return NULL;
+		[buf] = 0;
+	}
 	if (prompt)
 		putstr(prompt);
-	if (buf == NULL)
+	putstr(buf);
-		return NULL;
-	[buf] = 0;
 
 	loop {
-		red &c;
+		c = getchar();
 		if ((c == 0xffff) | (c == 0x04)) {
 			if ((size == 0) | (c == 0xffff)) {
 				free(buf);
@@ -20,8 +37,8 @@ geadline(prompt) {
 			}
 		} else if (c == 0x1b) {
 			// ESC code
-			red &c; // skip [
+			getchar(); // skip [
-			red &c; // value
+			c = getchar(); // value
 
 			if ((c == 'A') & (size > 0)) {
 				loop {
@@ -104,7 +121,13 @@ geadline(prompt) {
 	}
 }
 
-esccode(c) {
+geadline(prompt)
+{
+	geadline2(prompt, NULL);
+}
+
+esccode(c)
+{
 	wrt 0x1b;
 	wrt '[';
 	wrt c;