nnn

commit 4f43b5cea03e604e33222ab04f27f6392bd1f3db
parent 8db6abc2d844c0ddaf2f04d959e3c3f319b27a0e
Author: Arun Prakash Jana <engineerarun@gmail.com>
Date:   Sun,  9 Nov 2025 09:28:29 +0530

Handle access outside buffer

Diffstat:
M
src/nnn.c
 | 
5
++---

1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/src/nnn.c b/src/nnn.c
@@ -3683,7 +3683,7 @@ static char *xreadline(const char *prefill, const char *prompt)
 	int x, r;
 	const int WCHAR_T_WIDTH = sizeof(wchar_t);
 	wint_t ch[1];
-	wchar_t * const buf = malloc(sizeof(wchar_t) * READLINE_MAX);
+	wchar_t * const buf = malloc(sizeof(wchar_t) * (READLINE_MAX + 1)); // 1 element extra for handling full-width characters
 
 	if (!buf)
 		errexit();
@@ -3707,8 +3707,7 @@ static char *xreadline(const char *prefill, const char *prompt)
 
 	while (1) {
 		buf[len] = ' ';
-		if (len < (READLINE_MAX - 1))
-			buf[len + 1] = ' '; // Handle full-width characters
+		buf[len + 1] = ' '; // Handle full-width characters
 
 		attron(COLOR_PAIR(cfg.curctx + 1));
 		if (pos > (size_t)(xcols - x)) {