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libsupport: Add xgetpeername

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The patch adds redirections for getpeername.

Reviewed-by: Arjun Shankar <arjun@redhat.com>
This commit is contained in:
Sergey Kolosov 2024-04-10 17:58:04 +02:00 committed by Arjun Shankar
parent 42e48e720c
commit 6687a6e3f9
3 changed files with 32 additions and 0 deletions
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1
support/Makefile
View File

@ -131,6 +131,7 @@ libsupport-routines = \
xfreopen \
xftruncate \
xgetline \
xgetpeername \
xgetsockname \
xlisten \
xlseek \

30
support/xgetpeername.c Normal file
View File

@ -0,0 +1,30 @@
/* getpeername with error checking.
Copyright (C) 2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <support/xsocket.h>
#include <stdio.h>
#include <stdlib.h>
#include <support/check.h>
void
xgetpeername (int fd, struct sockaddr *sa, socklen_t *plen)
{
if (getpeername (fd, sa, plen) != 0)
FAIL_EXIT1 ("getpeername (%d): %m", fd);
}

1
support/xsocket.h
View File

@ -26,6 +26,7 @@
int xsocket (int, int, int);
void xsetsockopt (int, int, int, const void *, socklen_t);
void xgetsockname (int, struct sockaddr *, socklen_t *);
void xgetpeername (int, struct sockaddr *, socklen_t *);
void xconnect (int, const struct sockaddr *, socklen_t);
void xbind (int, const struct sockaddr *, socklen_t);
void xlisten (int, int);