Mercurial > gnulib
annotate lib/calloc.c @ 40231:9b3c79fdfe0b
strtod: fix clash with strtold
Problem reported for RHEL 5 by Jesse Caldwell (Bug#34817).
* lib/strtod.c (compute_minus_zero, minus_zero):
Simplify by remving the macro / external variable,
and having just a function. User changed. This avoids
the need for an external variable that might clash.
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Mon, 11 Mar 2019 16:40:29 -0700 |
| parents | b06060465f09 |
| children |
| 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 | 2 This wrapper function is required at least on Tru64 UNIX 5.1 and mingw. |
|
40057
b06060465f09
maint: Run 'make update-copyright'
Paul Eggert <eggert@cs.ucla.edu>
parents:
19484
diff
changeset
|
3 Copyright (C) 2004-2007, 2009-2019 Free Software Foundation, Inc. |
| 5081 | 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 | 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 | 9 |
| 10 This program is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 GNU General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU General Public License | |
| 19190 | 16 along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| 5081 | 17 |
| 9190 | 18 /* written by Jim Meyering and Bruno Haible */ |
| 5081 | 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 | 21 /* Only the AC_FUNC_CALLOC macro defines 'calloc' already in config.h. */ |
| 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 | 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 | 28 #endif |
| 5081 | 29 |
| 9190 | 30 /* Specification. */ |
| 5081 | 31 #include <stdlib.h> |
| 32 | |
| 9190 | 33 #include <errno.h> |
| 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 | 38 /* Allocate and zero-fill an NxS-byte block of memory from the heap. |
| 39 If N or S is zero, allocate and zero-fill a 1-byte block. */ | |
| 40 | |
| 41 void * | |
| 42 rpl_calloc (size_t n, size_t s) | |
| 43 { | |
| 9190 | 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 | 47 if (n == 0 || s == 0) |
| 48 { | |
| 49 n = 1; | |
| 50 s = 1; | |
| 51 } | |
| 52 else | |
| 53 { | |
| 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 | 56 size_t bytes = n * s; |
| 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 | 62 } |
| 63 #endif | |
|
5464
f7677662318c
(rpl_calloc): Defend against buggy calloc implementations
Paul Eggert <eggert@cs.ucla.edu>
parents:
5081
diff
changeset
|
64 |
| 9190 | 65 result = calloc (n, s); |
| 66 | |
| 67 #if !HAVE_CALLOC_POSIX | |
| 68 if (result == NULL) | |
| 69 errno = ENOMEM; | |
| 70 #endif | |
| 71 | |
| 72 return result; | |
| 5081 | 73 } |