From: Lukas Krickl <lukas@krickl.dev>
Date: Wed, 20 Dec 2023 18:12:26 +0000 (+0100)
Subject: Fixed buffer overflow in macro expansion
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=39a3c4247cd0fea739edccbe3c0af0c0c2d08585;p=ulas%2F.git

Fixed buffer overflow in macro expansion
---

diff --git a/src/ulas.c b/src/ulas.c
index f516a27..e7dd2c4 100644
--- a/src/ulas.c
+++ b/src/ulas.c
@@ -826,7 +826,7 @@ char *ulas_preprocexpand(struct ulas_preproc *pp, const char *raw_line,
           }
 
           if (!tocat) {
-            ulas_strensr(&pp->line, valread + 1);
+            ulas_strensr(&pp->line, strlen(pp->line.buf) + valread + 1);
             strncat(pp->line.buf, val - valread, valread);
           } else {
             // make sure to include leading white space