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 #ifndef __USE_GNU /* do not redeclare existing headers */
37 XBT_PUBLIC(int) asprintf (char **ptr, const char *fmt, /*args*/ ...) _XBT_GNUC_PRINTF(2,3);
38 XBT_PUBLIC(int) vasprintf (char **ptr, const char *fmt, va_list ap);
40 XBT_PUBLIC(char*) bprintf (const char*fmt, ...) _XBT_GNUC_PRINTF(1,2);
42 /** @addtogroup XBT_syscall
43 * @brief Malloc and associated functions, killing the program on error (with \ref XBT_ex)
48 #if defined(__GNUC__) || defined(DOXYGEN)
49 /** @brief Like strdup, but xbt_die() on error */
50 static XBT_INLINE char *xbt_strdup(const char *s) {
55 xbt_die("memory allocation error (strdup returned NULL)");
59 /** @brief Like malloc, but xbt_die() on error
61 static XBT_INLINE void *xbt_malloc(unsigned int n){
63 if (n==0) xbt_die("malloc(0) is not portable");
66 xbt_die(bprintf("Memory allocation of %d bytes failed",n));
70 /** @brief like malloc, but xbt_die() on error and memset data to 0
72 static XBT_INLINE void *xbt_malloc0(unsigned int n) {
74 if (n==0) xbt_die("calloc(0) is not portable");
77 xbt_die(bprintf("Memory callocation of %d bytes failed",n));
81 /** @brief like realloc, but xbt_die() on error
83 static XBT_INLINE void *xbt_realloc(void*p,unsigned int s){
85 if (s==0) xbt_die("realloc(0) is not portable");
90 xbt_die(bprintf("memory (re)allocation of %d bytes failed",s));
101 #else /* non __GNUC__ */
102 # define xbt_strdup(s) strdup(s)
103 # define xbt_malloc(n) malloc(n)
104 # define xbt_malloc0(n) calloc(n,1)
105 # define xbt_realloc(p,s) realloc(p,s)
106 #endif /* __GNUC__ ? */
110 #define xbt_free free /*nothing specific to do here. A poor valgrind replacement?*/
111 /*#define xbt_free_fct free * replacement with the guareenty of being a function FIXME:KILLME*/
113 /** @brief like free, but you can be sure that it is a function */
114 XBT_PUBLIC(void) xbt_free_f(void* p);
115 /** @brief should be given a pointer to pointer, and frees the second one */
116 XBT_PUBLIC(void) xbt_free_ref(void *d);
118 /** @brief like calloc, but xbt_die() on error and don't memset to 0
120 #define xbt_new(type, count) ((type*)xbt_malloc (sizeof (type) * (count)))
121 /** @brief like calloc, but xbt_die() on error
123 #define xbt_new0(type, count) ((type*)xbt_malloc0 (sizeof (type) * (count)))
130 #endif /* _XBT_SYSDEP_H */