From 24cfab4c610bf59d19416a33c734e617465d140c Mon Sep 17 00:00:00 2001
From: jessica parsons <orc@pell.portland.or.us>
Date: Thu, 19 Feb 2026 02:19:58 -0800
Subject: [PATCH] in external_codefmt expand special characters into res, NOT
 src

---
 main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/main.c b/main.c
index 54f51da..635adf1 100644
--- a/main.c
+++ b/main.c
@@ -125,13 +125,13 @@ external_codefmt(char *src, int len, char *lang)
     x = strlen(res);
     for ( i=0; i < len; i++ ) {
 	switch (src[i]) {
-	case '&':   strcpy(&src[x], "&amp;");
+	case '&':   strcpy(&res[x], "&amp;");
 		    x += 5 /*strlen(&amp;)*/ ;
 		    break;
-	case '<':   strcpy(&src[x], "&lt;");
+	case '<':   strcpy(&res[x], "&lt;");
 		    x += 4 /*strlen(&lt;)*/ ;
 		    break;
-	case '>':   strcpy(&src[x], "&gt;");
+	case '>':   strcpy(&res[x], "&gt;");
 		    x += 4 /*strlen(&gt;)*/ ;
 		    break;
 	default:    res[x++] = src[i];