Mercurial > gnulib
view tests/test-getpeername.c @ 40212:8da9577294da
unistr/*, uniconv/*: Fix undefined behaviour.
Reported by Jeffrey Walton <noloader@gmail.com>.
* lib/unistr/u-cpy.h (FUNC): Don't invoke memcpy with a zero size.
* lib/unistr/u-cpy-alloc.h (FUNC): Likewise.
* lib/uniconv/u8-conv-from-enc.c (u8_conv_from_encoding): Likewise.
* lib/uniconv/u8-conv-to-enc.c (u8_conv_to_encoding): Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 09 Mar 2019 00:01:47 +0100 |
parents | b06060465f09 |
children |
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/* Test getpeername() function. Copyright (C) 2011-2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ #include <config.h> #include <sys/socket.h> #include "signature.h" SIGNATURE_CHECK (getpeername, int, (int, struct sockaddr *, socklen_t *)); #include <errno.h> #include <netinet/in.h> #include <unistd.h> #include "sockets.h" #include "macros.h" int main (void) { (void) gl_sockets_startup (SOCKETS_1_1); /* Test behaviour for invalid file descriptors. */ { struct sockaddr_in addr; socklen_t addrlen = sizeof (addr); errno = 0; ASSERT (getpeername (-1, (struct sockaddr *) &addr, &addrlen) == -1); ASSERT (errno == EBADF); } { struct sockaddr_in addr; socklen_t addrlen = sizeof (addr); close (99); errno = 0; ASSERT (getpeername (99, (struct sockaddr *) &addr, &addrlen) == -1); ASSERT (errno == EBADF); } return 0; }