1 files changed, 35 insertions, 0 deletions
diff --git a/comp/lucas-standen-NEA/code2/appendsnprintf.c b/comp/lucas-standen-NEA/code2/appendsnprintf.c
new file mode 100644
index 0000000..637d214
--- /dev/null
+++ b/comp/lucas-standen-NEA/code2/appendsnprintf.c
@@ -0,0 +1,35 @@
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+char *genfmt(char *buf, char *fmt){
+	int len = strlen(buf) + strlen(fmt) + 1;
+	char *out = malloc(len);
+
+	int j = 0, i = 0;	
+	while (buf[i] != '\0'){
+		out[i] = buf[i];
+		i++;
+	}
+	while (fmt[j] != '\0'){
+		out[i] = fmt[j];
+		i++;
+		j++;
+	}
+	return out;
+}
+
+char *appendsnprintf(char *buf, int size, char *format, ...){
+	va_list ap;
+	char *outputbuf = malloc(size);
+	va_start(ap, format);
+	char *fmt = genfmt(buf, format);
+	vsnprintf(outputbuf, size, fmt, ap);
+	free(fmt);
+	
+	buf = realloc(outputbuf, strlen(outputbuf) + 1);
+	va_end(ap);
+	
+	return buf;
+}