octave-shane/gnulib-hg: lib/calloc.c annotate

annotate lib/calloc.c @ 15727:144db791c6fa

Ensure EBADF returns for socket functions on mingw. * lib/accept.c (rpl_accept): Fail with error EBADF if the file descriptor is invalid. * lib/bind.c (rpl_bind): Likewise. * lib/connect.c (rpl_connect): Likewise. * lib/getpeername.c (rpl_getpeername): Likewise. * lib/getsockname.c (rpl_getsockname): Likewise. * lib/getsockopt.c (rpl_getsockopt): Likewise. * lib/listen.c (rpl_listen): Likewise. * lib/recv.c (rpl_recv): Likewise. * lib/recvfrom.c (rpl_recvfrom): Likewise. * lib/send.c (rpl_send): Likewise. * lib/sendto.c (rpl_sendto): Likewise. * lib/setsockopt.c (rpl_setsockopt): Likewise. * lib/shutdown.c (rpl_shutdown): Likewise.

author	Bruno Haible <bruno@clisp.org>
date	Wed, 21 Sep 2011 00:20:59 +0200
parents	97fc9a21a8fb
children	8250f2777afc

rev	line source
5464 f7677662318c (rpl_calloc): Defend against buggy calloc implementations Paul Eggert <eggert@cs.ucla.edu> parents: 5081 diff changeset	1 /* calloc() function that is glibc compatible.
9190 a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	2 This wrapper function is required at least on Tru64 UNIX 5.1 and mingw.
14079 97fc9a21a8fb maint: update almost all copyright ranges to include 2011 Jim Meyering <meyering@redhat.com> parents: 13606 diff changeset	3 Copyright (C) 2004-2007, 2009-2011 Free Software Foundation, Inc.
5081 af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	4
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 9203 diff changeset	5 This program is free software: you can redistribute it and/or modify
5081 af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	6 it under the terms of the GNU General Public License as published by
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 9203 diff changeset	7 the Free Software Foundation; either version 3 of the License, or
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 9203 diff changeset	8 (at your option) any later version.
5081 af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	9
af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	10 This program is distributed in the hope that it will be useful,
af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	13 GNU General Public License for more details.
af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	14
af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	15 You should have received a copy of the GNU General Public License
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 9203 diff changeset	16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
5081 af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	17
9190 a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	18 /* written by Jim Meyering and Bruno Haible */
5081 af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	19
7302 8a1a9361108c * _fpending.c: Include <config.h> unconditionally, since we no Paul Eggert <eggert@cs.ucla.edu> parents: 6259 diff changeset	20 #include <config.h>
9190 a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	21 /* Only the AC_FUNC_CALLOC macro defines 'calloc' already in config.h. */
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	22 #ifdef calloc
13606 81875db181b0 Make the module 'calloc-gnu' work again on AIX and OSF/1. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	23 # define NEED_CALLOC_GNU 1
9190 a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	24 # undef calloc
13606 81875db181b0 Make the module 'calloc-gnu' work again on AIX and OSF/1. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	25 /* Whereas the gnulib module 'calloc-gnu' defines HAVE_CALLOC_GNU. */
81875db181b0 Make the module 'calloc-gnu' work again on AIX and OSF/1. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	26 #elif GNULIB_CALLOC_GNU && !HAVE_CALLOC_GNU
81875db181b0 Make the module 'calloc-gnu' work again on AIX and OSF/1. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	27 # define NEED_CALLOC_GNU 1
9190 a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	28 #endif
5081 af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	29
9190 a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	30 /* Specification. */
5081 af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	31 #include <stdlib.h>
af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	32
9190 a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	33 #include <errno.h>
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	34
9203 b62ad47fce4a Oops, avoid an infinite recursion. Bruno Haible <bruno@clisp.org> parents: 9190 diff changeset	35 /* Call the system's calloc below. */
b62ad47fce4a Oops, avoid an infinite recursion. Bruno Haible <bruno@clisp.org> parents: 9190 diff changeset	36 #undef calloc
b62ad47fce4a Oops, avoid an infinite recursion. Bruno Haible <bruno@clisp.org> parents: 9190 diff changeset	37
5081 af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	38 /* Allocate and zero-fill an NxS-byte block of memory from the heap.
af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	39 If N or S is zero, allocate and zero-fill a 1-byte block. */
af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	40
af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	41 void *
af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	42 rpl_calloc (size_t n, size_t s)
af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	43 {
9190 a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	44 void *result;
5464 f7677662318c (rpl_calloc): Defend against buggy calloc implementations Paul Eggert <eggert@cs.ucla.edu> parents: 5081 diff changeset	45
13606 81875db181b0 Make the module 'calloc-gnu' work again on AIX and OSF/1. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	46 #if NEED_CALLOC_GNU
9190 a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	47 if (n == 0 \|\| s == 0)
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	48 {
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	49 n = 1;
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	50 s = 1;
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	51 }
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	52 else
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	53 {
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	54 /* Defend against buggy calloc implementations that mishandle
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	55 size_t overflow. */
9190 a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	56 size_t bytes = n * s;
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	57 if (bytes / s != n)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	58 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	59 errno = ENOMEM;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	60 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	61 }
9190 a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	62 }
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	63 #endif
5464 f7677662318c (rpl_calloc): Defend against buggy calloc implementations Paul Eggert <eggert@cs.ucla.edu> parents: 5081 diff changeset	64
9190 a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	65 result = calloc (n, s);
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	66
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	67 #if !HAVE_CALLOC_POSIX
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	68 if (result == NULL)
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	69 errno = ENOMEM;
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	70 #endif
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	71
a4f83e0e605c New module 'calloc-posix'. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	72 return result;
5081 af4fd5060a09 * modules/calloc: New file. Jim Meyering <jim@meyering.net> parents: diff changeset	73 }

Mercurial > hg > octave-shane > gnulib-hg

annotate lib/calloc.c @ 15727:144db791c6fa