Commit: patch 9.2.0002: str2specialbuf() can be improved

[Christian Brabandt]

patch 9.2.0002: str2specialbuf() can be improved

Commit: https://github.com/vim/vim/commit/76826c24dfcd89503ba92119089f96e7feeaa098
Author: Yasuhiro Matsumoto <matt...@gmail.com>
Date: Sun Feb 15 14:48:54 2026 +0000

patch 9.2.0002: str2specialbuf() can be improved

Problem: str2specialbuf() can be improved
Solution: Optimize str2specialbuf function in message.c
(Yasuhiro Matsumoto)

closes: #19415

Signed-off-by: Yasuhiro Matsumoto <matt...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/src/message.c b/src/message.c
index e2058f8d4..192442ab4 100644
--- a/src/message.c
+++ b/src/message.c
@@ -2012,14 +2012,22 @@ str2special(
void
str2specialbuf(char_u *sp, char_u *buf, int len)
{
- char_u *s;
+ char_u *s;
+ size_t buf_len = 0;
+ size_t s_len;

*buf = NUL;
while (*sp)
{
- s = str2special(&sp, FALSE, FALSE);
- if ((int)(STRLEN(s) + STRLEN(buf)) < len)
- STRCAT(buf, s);
+ s = str2special(&sp, FALSE, FALSE);
+ s_len = STRLEN(s);
+ if (buf_len + s_len < (size_t)len)
+ {
+ STRCPY(buf + buf_len, s);
+ buf_len += s_len;
+ }
+ else
+ break;
}
}

diff --git a/src/version.c b/src/version.c
index 8dd6db06c..0b6275096 100644
--- a/src/version.c
+++ b/src/version.c
@@ -734,6 +734,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 2,
/**/
1,
/**/