From 7f8d34504a33f9ca43a9191e26c561b3afc662ee Mon Sep 17 00:00:00 2001
From: Robear Selwans <robear.selwans@outlook.com>
Date: Sun, 6 Oct 2024 23:43:07 +0300
Subject: [PATCH] Fixed issue with pushFmt producing incorrect output

Signed-off-by: Robear Selwans <robear.selwans@outlook.com>
---
 ev_str.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ev_str.h b/ev_str.h
index c18f718..6e3c12f 100644
--- a/ev_str.h
+++ b/ev_str.h
@@ -606,7 +606,7 @@ evstring_pushFmt_v(
     size_t old_len = evstring_getLength(*s);
     evstring_error_t res = evstring_setLength(s, old_len + fmt_len);
     if(res == EV_STR_ERR_NONE) {
-        int write_res = vsnprintf((*s) + old_len, fmt_len, fmt, args);
+        int write_res = vsnprintf((*s) + old_len, fmt_len+1, fmt, args);
         assert(write_res > 0);
         assert(write_res == fmt_len);
     }