From 3d18bee2989cea050350ea9c29f45d8a249c771f Mon Sep 17 00:00:00 2001 From: Alejandro Colomar Date: Wed, 3 Feb 2021 22:36:00 +0100 Subject: [PATCH] getsockname.2: Use restrict in prototypes POSIX specifies that the 2nd and 3rd parameters to getsockname() shall be 'restrict'. Glibc uses 'restrict' too. Let's use it here too. ...... .../glibc$ grep_syscall_wrapper getsockname socket/sys/socket.h:116: extern int getsockname (int __fd, __SOCKADDR_ARG __addr, socklen_t *__restrict __len) __THROW; .../glibc$ grep -rn '# *define __SOCKADDR_ARG' socket/sys/socket.h:58: # define __SOCKADDR_ARG struct sockaddr *__restrict .../glibc$ function grep_syscall_wrapper() { if ! [ -v 1 ]; then >&2 echo "Usage: ${FUNCNAME[0]} "; return ${EX_USAGE}; fi find * -type f \ |grep '\.h$' \ |sort -V \ |xargs pcregrep -Mn \ "(?s)^[^\s#][\w\s]+\s+\**${1}\s*\([\w\s()[\]*,]*?(...)?\)[\w\s()]*;" \ |sed -E 's/^[^:]+:[0-9]+:/&\n/'; } Signed-off-by: Alejandro Colomar Signed-off-by: Michael Kerrisk --- man2/getsockname.2 | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/man2/getsockname.2 b/man2/getsockname.2 index 55db4b84c..bf36e260b 100644 --- a/man2/getsockname.2 +++ b/man2/getsockname.2 @@ -44,8 +44,8 @@ getsockname \- get socket name .nf .B #include .PP -.BI "int getsockname(int " sockfd ", struct sockaddr *" addr \ -", socklen_t *" addrlen ); +.BI "int getsockname(int " sockfd ", struct sockaddr *restrict " addr , +.BI " socklen_t *restrict " addrlen ); .fi .SH DESCRIPTION .BR getsockname ()