2 /* xbt/sysdep.h -- all system dependency */
3 /* no system header should be loaded out of this file so that we have only */
4 /* one file to check when porting to another OS */
6 /* Copyright (c) 2004 Martin Quinson. All rights reserved. */
8 /* This program is free software; you can redistribute it and/or modify it
9 * under the terms of the license (GNU LGPL) which comes with this package. */
16 #include <stdarg.h> /* va_list */
19 #include "xbt/asserts.h"
23 /* They live in asserts.h, but need to be declared before this module.
24 double declaration to cut dependency cycle */
26 * @addtogroup XBT_error
30 XBT_PUBLIC(void) xbt_abort(void) _XBT_GNUC_NORETURN;
31 XBT_PUBLIC(void) xbt_die(const char *msg) _XBT_GNUC_NORETURN;
34 /* these ones live in str.h, but redeclare them here so that we do
35 not need to load the whole str.h and its heavy dependencies */
36 XBT_PUBLIC(int) asprintf (char **ptr, const char *fmt, /*args*/ ...) _XBT_GNUC_PRINTF(2,3);
37 XBT_PUBLIC(int) vasprintf (char **ptr, const char *fmt, va_list ap);
38 XBT_PUBLIC(char*) bprintf (const char*fmt, ...) _XBT_GNUC_PRINTF(1,2);
40 /** @addtogroup XBT_syscall
41 * @brief Malloc and associated functions, killing the program on error (with \ref XBT_ex)
46 #if defined(__GNUC__) || defined(DOXYGEN)
47 /** @brief Like strdup, but xbt_die() on error */
48 static XBT_INLINE char *xbt_strdup(const char *s) {
53 xbt_die("memory allocation error (strdup returned NULL)");
57 /** @brief Like malloc, but xbt_die() on error
59 static XBT_INLINE void *xbt_malloc(int n){
62 xbt_die(bprintf("Memory allocation of %d bytes failed",n));
66 /** @brief like malloc, but xbt_die() on error and memset data to 0
68 static XBT_INLINE void *xbt_malloc0(int n) {
69 void *res=calloc(n,1);
71 xbt_die(bprintf("Memory callocation of %d bytes failed",n));
75 /** @brief like realloc, but xbt_die() on error
77 static XBT_INLINE void *xbt_realloc(void*p,int s){
83 xbt_die(bprintf("memory (re)allocation of %d bytes failed",s));
94 #else /* non __GNUC__ */
95 # define xbt_strdup(s) strdup(s)
96 # define xbt_malloc(n) malloc(n)
97 # define xbt_malloc0(n) calloc(n,1)
98 # define xbt_realloc(p,s) realloc(p,s)
99 #endif /* __GNUC__ ? */
103 #define xbt_free free /*nothing specific to do here. A poor valgrind replacement?*/
104 /*#define xbt_free_fct free * replacement with the guareenty of being a function FIXME:KILLME*/
108 XBT_PUBLIC(void) xbt_free_f(void* p);
110 /** @brief like calloc, but xbt_die() on error and don't memset to 0
112 #define xbt_new(type, count) ((type*)xbt_malloc (sizeof (type) * (count)))
113 /** @brief like calloc, but xbt_die() on error
115 #define xbt_new0(type, count) ((type*)xbt_malloc0 (sizeof (type) * (count)))
122 #endif /* _XBT_SYSDEP_H */