From: Alejandro Colomar <alx@kernel.org>
Date: Mon, 5 Dec 2022 15:09:47 +0000 (+0100)
Subject: strcat.3: SYNOPSIS: Fix the size of 'dest'
X-Git-Tag: man-pages-6.02~36
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c19ad66c8e990a46d4e4d4daff8002a7a584431;p=thirdparty%2Fman-pages.git

strcat.3: SYNOPSIS: Fix the size of 'dest'

I had a mistake when adding VLA syntax to this prototype.  From this
fixed prototype, it's visible how broken the design for this function
is.  Next move is to kill this function.

Cc: <libc-alpha@sourceware.org>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
---

diff --git a/man3/strcat.3 b/man3/strcat.3
index a4a376ba9e..61d3e54f18 100644
--- a/man3/strcat.3
+++ b/man3/strcat.3
@@ -20,9 +20,8 @@ Standard C library
 .B #include <string.h>
 .PP
 .BI "char *strcat(char *restrict " dest ", const char *restrict " src );
-.BI "char *strncat(char " dest "[restrict ." n "], \
-const char " src "[restrict ." n ],
-.BI "              size_t " n );
+.BI "char *strncat(char " dest "[restrict strlen(." dest ") + strnlen(." n ") + 1],"
+.BI "              const char " src "[restrict ." n "], size_t " n );
 .fi
 .SH DESCRIPTION
 The