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 */
38 ...) _XBT_GNUC_PRINTF(2, 3);
39 XBT_PUBLIC(int) vasprintf(char **ptr, const char *fmt, va_list ap);
41 XBT_PUBLIC(char *) bprintf(const char *fmt, ...) _XBT_GNUC_PRINTF(1, 2);
43 /** @addtogroup XBT_syscall
44 * @brief Malloc and associated functions, killing the program on error (with \ref XBT_ex)
49 #if defined(__GNUC__) || defined(DOXYGEN)
50 /** @brief Like strdup, but xbt_die() on error */
51 static XBT_INLINE char *xbt_strdup(const char *s)
57 xbt_die("memory allocation error (strdup returned NULL)");
62 XBT_PUBLIC(void) xbt_backtrace_display_current(void);
64 /** @brief Like malloc, but xbt_die() on error
66 static XBT_INLINE void *xbt_malloc(unsigned int n)
70 xbt_backtrace_display_current();
71 xbt_die("malloc(0) is not portable");
76 xbt_die(bprintf("Memory allocation of %d bytes failed", n));
80 /** @brief like malloc, but xbt_die() on error and memset data to 0
82 static XBT_INLINE void *xbt_malloc0(unsigned int n)
85 //if (n==0) xbt_die("calloc(0) is not portable");
88 xbt_die(bprintf("Memory callocation of %d bytes failed", n));
92 /** @brief like realloc, but xbt_die() on error
94 static XBT_INLINE void *xbt_realloc(void *p, unsigned int s)
97 //if (s==0) xbt_die("realloc(0) is not portable");
102 xbt_die(bprintf("memory (re)allocation of %d bytes failed", s));
113 #else /* non __GNUC__ */
114 # define xbt_strdup(s) strdup(s)
115 # define xbt_malloc(n) malloc(n)
116 # define xbt_malloc0(n) calloc(n,1)
117 # define xbt_realloc(p,s) realloc(p,s)
118 #endif /* __GNUC__ ? */
122 #define xbt_free free /*nothing specific to do here. A poor valgrind replacement? */
123 /*#define xbt_free_fct free * replacement with the guareenty of being a function FIXME:KILLME*/
125 /** @brief like free, but you can be sure that it is a function */
126 XBT_PUBLIC(void) xbt_free_f(void *p);
127 /** @brief should be given a pointer to pointer, and frees the second one */
128 XBT_PUBLIC(void) xbt_free_ref(void *d);
130 /** @brief like calloc, but xbt_die() on error and don't memset to 0
132 #define xbt_new(type, count) ((type*)xbt_malloc (sizeof (type) * (count)))
133 /** @brief like calloc, but xbt_die() on error
135 #define xbt_new0(type, count) ((type*)xbt_malloc0 (sizeof (type) * (count)))
141 #endif /* _XBT_SYSDEP_H */