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| author | Ton Voon <tonvoon@users.sourceforge.net> | 2004-11-12 00:49:51 +0000 |
|---|---|---|
| committer | Ton Voon <tonvoon@users.sourceforge.net> | 2004-11-12 00:49:51 +0000 |
| commit | fbf1e60f477460205c2002bb34b87f9e1e3b0faf (patch) | |
| tree | 96d568de54259a8b1f8e6a88dbb533037ef730e5 /lib/xalloc.h | |
| parent | dbe8fb585697e3a7c073cef083ff2fb027b76968 (diff) | |
| download | monitoring-plugins-fbf1e60f477460205c2002bb34b87f9e1e3b0faf.tar.gz | |
Update to using coreutils 5.2.1 libraries and snprintf.c from samba 3.0.8
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@895 f882894a-f735-0410-b71e-b25c423dba1c
Diffstat (limited to 'lib/xalloc.h')
| -rw-r--r-- | lib/xalloc.h | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/lib/xalloc.h b/lib/xalloc.h index 098a6c2e..4b658581 100644 --- a/lib/xalloc.h +++ b/lib/xalloc.h | |||
| @@ -1,5 +1,7 @@ | |||
| 1 | /* xalloc.h -- malloc with out-of-memory checking | 1 | /* xalloc.h -- malloc with out-of-memory checking |
| 2 | Copyright (C) 1990-1998, 1999, 2000 Free Software Foundation, Inc. | 2 | |
| 3 | Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, | ||
| 4 | 1999, 2000, 2003 Free Software Foundation, Inc. | ||
| 3 | 5 | ||
| 4 | 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 |
| 5 | 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 |
| @@ -18,13 +20,7 @@ | |||
| 18 | #ifndef XALLOC_H_ | 20 | #ifndef XALLOC_H_ |
| 19 | # define XALLOC_H_ | 21 | # define XALLOC_H_ |
| 20 | 22 | ||
| 21 | # ifndef PARAMS | 23 | # include <stddef.h> |
| 22 | # if defined PROTOTYPES || (defined __STDC__ && __STDC__) | ||
| 23 | # define PARAMS(Args) Args | ||
| 24 | # else | ||
| 25 | # define PARAMS(Args) () | ||
| 26 | # endif | ||
| 27 | # endif | ||
| 28 | 24 | ||
| 29 | # ifndef __attribute__ | 25 | # ifndef __attribute__ |
| 30 | # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__ | 26 | # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__ |
| @@ -36,14 +32,9 @@ | |||
| 36 | # define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__)) | 32 | # define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__)) |
| 37 | # endif | 33 | # endif |
| 38 | 34 | ||
| 39 | /* Exit value when the requested amount of memory is not available. | ||
| 40 | It is initialized to EXIT_FAILURE, but the caller may set it to | ||
| 41 | some other value. */ | ||
| 42 | extern int xalloc_exit_failure; | ||
| 43 | |||
| 44 | /* If this pointer is non-zero, run the specified function upon each | 35 | /* If this pointer is non-zero, run the specified function upon each |
| 45 | allocation failure. It is initialized to zero. */ | 36 | allocation failure. It is initialized to zero. */ |
| 46 | extern void (*xalloc_fail_func) PARAMS ((void)); | 37 | extern void (*xalloc_fail_func) (void); |
| 47 | 38 | ||
| 48 | /* If XALLOC_FAIL_FUNC is undefined or a function that returns, this | 39 | /* If XALLOC_FAIL_FUNC is undefined or a function that returns, this |
| 49 | message is output. It is translated via gettext. | 40 | message is output. It is translated via gettext. |
| @@ -51,37 +42,46 @@ extern void (*xalloc_fail_func) PARAMS ((void)); | |||
| 51 | extern char const xalloc_msg_memory_exhausted[]; | 42 | extern char const xalloc_msg_memory_exhausted[]; |
| 52 | 43 | ||
| 53 | /* This function is always triggered when memory is exhausted. It is | 44 | /* This function is always triggered when memory is exhausted. It is |
| 54 | in charge of honoring the three previous items. This is the | 45 | in charge of honoring the two previous items. It exits with status |
| 46 | exit_failure (defined in exitfail.h). This is the | ||
| 55 | function to call when one wants the program to die because of a | 47 | function to call when one wants the program to die because of a |
| 56 | memory allocation failure. */ | 48 | memory allocation failure. */ |
| 57 | extern void xalloc_die PARAMS ((void)) ATTRIBUTE_NORETURN; | 49 | extern void xalloc_die (void) ATTRIBUTE_NORETURN; |
| 58 | 50 | ||
| 59 | void *xmalloc PARAMS ((size_t n)); | 51 | void *xmalloc (size_t s); |
| 60 | void *xcalloc PARAMS ((size_t n, size_t s)); | 52 | void *xnmalloc (size_t n, size_t s); |
| 61 | void *xrealloc PARAMS ((void *p, size_t n)); | 53 | void *xzalloc (size_t s); |
| 62 | char *xstrdup PARAMS ((const char *str)); | 54 | void *xcalloc (size_t n, size_t s); |
| 63 | 55 | void *xrealloc (void *p, size_t s); | |
| 64 | # define XMALLOC(Type, N_items) ((Type *) xmalloc (sizeof (Type) * (N_items))) | 56 | void *xnrealloc (void *p, size_t n, size_t s); |
| 65 | # define XCALLOC(Type, N_items) ((Type *) xcalloc (sizeof (Type), (N_items))) | 57 | void *x2realloc (void *p, size_t *pn); |
| 66 | # define XREALLOC(Ptr, Type, N_items) \ | 58 | void *x2nrealloc (void *p, size_t *pn, size_t s); |
| 67 | ((Type *) xrealloc ((void *) (Ptr), sizeof (Type) * (N_items))) | 59 | void *xclone (void const *p, size_t s); |
| 68 | 60 | char *xstrdup (const char *str); | |
| 69 | /* Declare and alloc memory for VAR of type TYPE. */ | 61 | |
| 70 | # define NEW(Type, Var) Type *(Var) = XMALLOC (Type, 1) | 62 | /* Return 1 if an array of N objects, each of size S, cannot exist due |
| 71 | 63 | to size arithmetic overflow. S must be positive and N must be | |
| 72 | /* Free VAR only if non NULL. */ | 64 | nonnegative. This is a macro, not an inline function, so that it |
| 73 | # define XFREE(Var) \ | 65 | works correctly even when SIZE_MAX < N. |
| 74 | do { \ | 66 | |
| 75 | if (Var) \ | 67 | By gnulib convention, SIZE_MAX represents overflow in size |
| 76 | free (Var); \ | 68 | calculations, so the conservative dividend to use here is |
| 77 | } while (0) | 69 | SIZE_MAX - 1, since SIZE_MAX might represent an overflowed value. |
| 78 | 70 | However, malloc (SIZE_MAX) fails on all known hosts where | |
| 79 | /* Return a pointer to a malloc'ed copy of the array SRC of NUM elements. */ | 71 | sizeof (ptrdiff_t) <= sizeof (size_t), so do not bother to test for |
| 80 | # define CCLONE(Src, Num) \ | 72 | exactly-SIZE_MAX allocations on such hosts; this avoids a test and |
| 81 | (memcpy (xmalloc (sizeof (*Src) * (Num)), (Src), sizeof (*Src) * (Num))) | 73 | branch when S is known to be 1. */ |
| 82 | 74 | # define xalloc_oversized(n, s) \ | |
| 83 | /* Return a malloc'ed copy of SRC. */ | 75 | ((size_t) (sizeof (ptrdiff_t) <= sizeof (size_t) ? -1 : -2) / (s) < (n)) |
| 84 | # define CLONE(Src) CCLONE (Src, 1) | 76 | |
| 85 | 77 | /* These macros are deprecated; they will go away soon, and are retained | |
| 78 | temporarily only to ease conversion to the functions described above. */ | ||
| 79 | # define CCLONE(p, n) xclone (p, (n) * sizeof *(p)) | ||
| 80 | # define CLONE(p) xclone (p, sizeof *(p)) | ||
| 81 | # define NEW(type, var) type *var = xmalloc (sizeof (type)) | ||
| 82 | # define XCALLOC(type, n) xcalloc (n, sizeof (type)) | ||
| 83 | # define XMALLOC(type, n) xnmalloc (n, sizeof (type)) | ||
| 84 | # define XREALLOC(p, type, n) xnrealloc (p, n, sizeof (type)) | ||
| 85 | # define XFREE(p) free (p) | ||
| 86 | 86 | ||
| 87 | #endif /* !XALLOC_H_ */ | 87 | #endif /* !XALLOC_H_ */ |
