From: Sergey Kolosov <skolosov@redhat.com>
To: libc-alpha@sourceware.org
Cc: Sergey Kolosov <skolosov@redhat.com>
Subject: [PATCH 1/2] libsupport: Add xgetpeername
Date: Mon, 8 Apr 2024 12:25:39 +0200 [thread overview]
Message-ID: <20240408102543.18143-1-skolosov@redhat.com> (raw)
The patch adds redirections for getpeername.
---
support/Makefile | 1 +
support/xgetpeername.c | 30 ++++++++++++++++++++++++++++++
support/xsocket.h | 1 +
3 files changed, 32 insertions(+)
create mode 100644 support/xgetpeername.c
diff --git a/support/Makefile b/support/Makefile
index 362a51f882..aa57207bdc 100644
--- a/support/Makefile
+++ b/support/Makefile
@@ -131,6 +131,7 @@ libsupport-routines = \
xfreopen \
xftruncate \
xgetline \
+ xgetpeername \
xgetsockname \
xlisten \
xlseek \
diff --git a/support/xgetpeername.c b/support/xgetpeername.c
new file mode 100644
index 0000000000..6f448e456a
--- /dev/null
+++ b/support/xgetpeername.c
@@ -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);
+}
diff --git a/support/xsocket.h b/support/xsocket.h
index 3e44103546..4ac0e1f5ff 100644
--- a/support/xsocket.h
+++ b/support/xsocket.h
@@ -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);
--
2.44.0
next reply other threads:[~2024-04-08 10:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-08 10:25 Sergey Kolosov [this message]
2024-04-08 10:25 ` [PATCH 2/2] socket: Add new test for connect Sergey Kolosov
2024-04-10 10:51 ` Arjun Shankar
2024-04-09 12:31 ` [PATCH 1/2] libsupport: Add xgetpeername Arjun Shankar
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