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author | Ton Voon <tonvoon@users.sourceforge.net> | 2006-05-18 22:05:43 (GMT) |
---|---|---|
committer | Ton Voon <tonvoon@users.sourceforge.net> | 2006-05-18 22:05:43 (GMT) |
commit | a8cd7705e7898d77764aa12ddcc2e29de1860138 (patch) | |
tree | 970f609cbecbe515998907fd55a12f814ad2edcd /lib/xmalloc.c | |
parent | 08394ddb2d62ec8aab9121e45ab9c1a102e85ba4 (diff) | |
download | monitoring-plugins-a8cd7705e7898d77764aa12ddcc2e29de1860138.tar.gz |
Synchronise with coreutils 2.95. Gettext now synced with coreutils,
so no longer development platform requirement
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1394 f882894a-f735-0410-b71e-b25c423dba1c
Diffstat (limited to 'lib/xmalloc.c')
-rw-r--r-- | lib/xmalloc.c | 70 |
1 files changed, 28 insertions, 42 deletions
diff --git a/lib/xmalloc.c b/lib/xmalloc.c index 181006b..687633c 100644 --- a/lib/xmalloc.c +++ b/lib/xmalloc.c | |||
@@ -1,7 +1,7 @@ | |||
1 | /* xmalloc.c -- malloc with out of memory checking | 1 | /* xmalloc.c -- malloc with out of memory checking |
2 | 2 | ||
3 | Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2003, | 3 | Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
4 | 1999, 2000, 2002, 2003 Free Software Foundation, Inc. | 4 | 1999, 2000, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
5 | 5 | ||
6 | This program is free software; you can redistribute it and/or modify | 6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | 7 | it under the terms of the GNU General Public License as published by |
@@ -15,9 +15,9 @@ | |||
15 | 15 | ||
16 | You should have received a copy of the GNU General Public License | 16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software Foundation, | 17 | along with this program; if not, write to the Free Software Foundation, |
18 | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | 18 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
19 | 19 | ||
20 | #if HAVE_CONFIG_H | 20 | #ifdef HAVE_CONFIG_H |
21 | # include <config.h> | 21 | # include <config.h> |
22 | #endif | 22 | #endif |
23 | 23 | ||
@@ -26,44 +26,19 @@ | |||
26 | #include <stdlib.h> | 26 | #include <stdlib.h> |
27 | #include <string.h> | 27 | #include <string.h> |
28 | 28 | ||
29 | #include "gettext.h" | ||
30 | #define _(msgid) gettext (msgid) | ||
31 | #define N_(msgid) msgid | ||
32 | |||
33 | #include "error.h" | ||
34 | #include "exitfail.h" | ||
35 | |||
36 | #ifndef SIZE_MAX | 29 | #ifndef SIZE_MAX |
37 | # define SIZE_MAX ((size_t) -1) | 30 | # define SIZE_MAX ((size_t) -1) |
38 | #endif | 31 | #endif |
39 | 32 | ||
40 | #ifndef HAVE_MALLOC | 33 | /* 1 if calloc is known to be compatible with GNU calloc. This |
41 | "you must run the autoconf test for a GNU libc compatible malloc" | 34 | matters if we are not also using the calloc module, which defines |
42 | #endif | 35 | HAVE_CALLOC and supports the GNU API even on non-GNU platforms. */ |
43 | 36 | #if defined HAVE_CALLOC || defined __GLIBC__ | |
44 | #ifndef HAVE_REALLOC | 37 | enum { HAVE_GNU_CALLOC = 1 }; |
45 | "you must run the autoconf test for a GNU libc compatible realloc" | 38 | #else |
39 | enum { HAVE_GNU_CALLOC = 0 }; | ||
46 | #endif | 40 | #endif |
47 | 41 | ||
48 | /* If non NULL, call this function when memory is exhausted. */ | ||
49 | void (*xalloc_fail_func) (void) = 0; | ||
50 | |||
51 | /* If XALLOC_FAIL_FUNC is NULL, or does return, display this message | ||
52 | before exiting when memory is exhausted. Goes through gettext. */ | ||
53 | char const xalloc_msg_memory_exhausted[] = N_("memory exhausted"); | ||
54 | |||
55 | void | ||
56 | xalloc_die (void) | ||
57 | { | ||
58 | if (xalloc_fail_func) | ||
59 | (*xalloc_fail_func) (); | ||
60 | error (exit_failure, 0, "%s", _(xalloc_msg_memory_exhausted)); | ||
61 | /* The `noreturn' cannot be given to error, since it may return if | ||
62 | its first argument is 0. To help compilers understand the | ||
63 | xalloc_die does terminate, call abort. */ | ||
64 | abort (); | ||
65 | } | ||
66 | |||
67 | /* Allocate an array of N objects, each with S bytes of memory, | 42 | /* Allocate an array of N objects, each with S bytes of memory, |
68 | dynamically, with error checking. S must be nonzero. */ | 43 | dynamically, with error checking. S must be nonzero. */ |
69 | 44 | ||
@@ -71,7 +46,7 @@ static inline void * | |||
71 | xnmalloc_inline (size_t n, size_t s) | 46 | xnmalloc_inline (size_t n, size_t s) |
72 | { | 47 | { |
73 | void *p; | 48 | void *p; |
74 | if (xalloc_oversized (n, s) || ! (p = malloc (n * s))) | 49 | if (xalloc_oversized (n, s) || (! (p = malloc (n * s)) && n != 0)) |
75 | xalloc_die (); | 50 | xalloc_die (); |
76 | return p; | 51 | return p; |
77 | } | 52 | } |
@@ -96,7 +71,7 @@ xmalloc (size_t n) | |||
96 | static inline void * | 71 | static inline void * |
97 | xnrealloc_inline (void *p, size_t n, size_t s) | 72 | xnrealloc_inline (void *p, size_t n, size_t s) |
98 | { | 73 | { |
99 | if (xalloc_oversized (n, s) || ! (p = realloc (p, n * s))) | 74 | if (xalloc_oversized (n, s) || (! (p = realloc (p, n * s)) && n != 0)) |
100 | xalloc_die (); | 75 | xalloc_die (); |
101 | return p; | 76 | return p; |
102 | } | 77 | } |
@@ -238,18 +213,29 @@ xcalloc (size_t n, size_t s) | |||
238 | { | 213 | { |
239 | void *p; | 214 | void *p; |
240 | /* Test for overflow, since some calloc implementations don't have | 215 | /* Test for overflow, since some calloc implementations don't have |
241 | proper overflow checks. */ | 216 | proper overflow checks. But omit overflow and size-zero tests if |
242 | if (xalloc_oversized (n, s) || ! (p = calloc (n, s))) | 217 | HAVE_GNU_CALLOC, since GNU calloc catches overflow and never |
218 | returns NULL if successful. */ | ||
219 | if ((! HAVE_GNU_CALLOC && xalloc_oversized (n, s)) | ||
220 | || (! (p = calloc (n, s)) && (HAVE_GNU_CALLOC || n != 0))) | ||
243 | xalloc_die (); | 221 | xalloc_die (); |
244 | return p; | 222 | return p; |
245 | } | 223 | } |
246 | 224 | ||
247 | /* Clone an object P of size S, with error checking. There's no need | 225 | /* Clone an object P of size S, with error checking. There's no need |
248 | for xnclone (P, N, S), since xclone (P, N * S) works without any | 226 | for xnmemdup (P, N, S), since xmemdup (P, N * S) works without any |
249 | need for an arithmetic overflow check. */ | 227 | need for an arithmetic overflow check. */ |
250 | 228 | ||
251 | void * | 229 | void * |
252 | xclone (void const *p, size_t s) | 230 | xmemdup (void const *p, size_t s) |
253 | { | 231 | { |
254 | return memcpy (xmalloc (s), p, s); | 232 | return memcpy (xmalloc (s), p, s); |
255 | } | 233 | } |
234 | |||
235 | /* Clone STRING. */ | ||
236 | |||
237 | char * | ||
238 | xstrdup (char const *string) | ||
239 | { | ||
240 | return xmemdup (string, strlen (string) + 1); | ||
241 | } | ||