From: Alejandro Colomar <alx.manpages@gmail.com>
Date: Wed, 10 Mar 2021 18:31:37 +0000 (+0100)
Subject: strcat.3: SYNOPSIS: Use 'restrict' in prototypes
X-Git-Tag: man-pages-5.11~47
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e4f4e683e5c4b237df2549d6d77bfb1fa88de59b;p=thirdparty%2Fman-pages.git

strcat.3: SYNOPSIS: Use 'restrict' in prototypes

Both POSIX and glibc use 'restrict' in strcat(), strncat().
Let's use it here too.

.../glibc$ grep_glibc_prototype strcat
string/string.h:133:
extern char *strcat (char *__restrict __dest, const char *__restrict __src)
     __THROW __nonnull ((1, 2));
.../glibc$ grep_glibc_prototype strncat
string/string.h:136:
extern char *strncat (char *__restrict __dest, const char *__restrict __src,
		      size_t __n) __THROW __nonnull ((1, 2));
.../glibc$

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---

diff --git a/man3/strcat.3 b/man3/strcat.3
index d8e6716c43..821d57d74c 100644
--- a/man3/strcat.3
+++ b/man3/strcat.3
@@ -36,8 +36,9 @@ strcat, strncat \- concatenate two strings
 .nf
 .B #include <string.h>
 .PP
-.BI "char *strcat(char *" dest ", const char *" src );
-.BI "char *strncat(char *" dest ", const char *" src ", size_t " n );
+.BI "char *strcat(char *restrict " dest ", const char *restrict " src );
+.BI "char *strncat(char *restrict " dest ", const char *restrict " src \
+", size_t " n );
 .fi
 .SH DESCRIPTION
 The