1 files changed, 36 insertions, 0 deletions
diff --git a/sway/readline.c b/sway/readline.c
new file mode 100644
index 00000000..be8c35cc
--- /dev/null
+++ b/sway/readline.c
@@ -0,0 +1,36 @@
+#include "readline.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+char *read_line(FILE *file) {
+	int i = 0, length = 0, size = 128;
+	char *string = malloc(size);
+	if (!string) {
+		return NULL;
+	}
+	while (1) {
+		int c = getc(file);
+		if (c == EOF || c == '\n' || c == '\0') {
+			break;
+		}
+		if (c == '\r') {
+			continue;
+		}
+		if (i == size) {
+			string = realloc(string, length *= 2);
+			if (!string) {
+				return NULL;
+			}
+		}
+		string[i++] = (char)c;
+		length++;
+	}
+	if (i + 1 != size) {
+		string = realloc(string, length + 1);
+		if (!string) {
+			return NULL;
+		}
+	}
+	string[i] = '\0';
+	return string;
+}