-/* $Id$ */
/* xbt/sysdep.h -- all system dependency */
/* no system header should be loaded out of this file so that we have only */
/* one file to check when porting to another OS */
-/* Copyright (c) 2004 Martin Quinson. All rights reserved. */
+/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#define _XBT_SYSDEP_H
#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h> /* va_list */
-
+#include <stdlib.h>
+#include <stdarg.h> /* va_list */
+
#include "xbt/misc.h"
#include "xbt/asserts.h"
-
-SG_BEGIN_DECL()
-
-/* FIXME: better place? */
-extern int asprintf (char **ptr, const char *fmt, /*args*/ ...) _XBT_GNUC_PRINTF(2,3);
-extern int vasprintf (char **ptr, const char *fmt, va_list ap);
-XBT_PUBLIC(char*) bprintf (const char*fmt, ...) _XBT_GNUC_PRINTF(1,2);
+#include "simgrid_config.h"
-#if ((defined (_MSC_VER) || defined(__BORLANDC__)) && !defined(SSIZE_T_DEFINED))
-typedef int ssize_t;
-#define SSIZE_T_DEFINED
-#endif
-
-/* FIXME: ssize_t must be 'long' on windows, no idea whether we should define this explicitly */
-XBT_PUBLIC(ssize_t) getline(char **lineptr, size_t *n, FILE *stream);
-
+SG_BEGIN_DECL()
/* They live in asserts.h, but need to be declared before this module.
double declaration to cut dependency cycle */
/**
* @addtogroup XBT_error
- *
+ *
* @{
*/
XBT_PUBLIC(void) xbt_abort(void) _XBT_GNUC_NORETURN;
XBT_PUBLIC(void) xbt_die(const char *msg) _XBT_GNUC_NORETURN;
/** @} */
+/* these ones live in str.h, but redeclare them here so that we do
+ not need to load the whole str.h and its heavy dependencies */
+#ifndef __USE_GNU /* do not redeclare existing headers */
+XBT_PUBLIC(int) asprintf(char **ptr, const char *fmt, /*args */
+ ...) _XBT_GNUC_PRINTF(2, 3);
+XBT_PUBLIC(int) vasprintf(char **ptr, const char *fmt, va_list ap);
+#endif
+XBT_PUBLIC(char *) bprintf(const char *fmt, ...) _XBT_GNUC_PRINTF(1, 2);
+
/** @addtogroup XBT_syscall
* @brief Malloc and associated functions, killing the program on error (with \ref XBT_ex)
*
#if defined(__GNUC__) || defined(DOXYGEN)
/** @brief Like strdup, but xbt_die() on error */
-static XBT_INLINE char *xbt_strdup(const char *s) {
+static inline __attribute__((always_inline)) char *xbt_strdup(const char *s)
+{
char *res = NULL;
if (s) {
- res=strdup(s);
- if (!res)
+ res = strdup(s);
+ if (!res)
xbt_die("memory allocation error (strdup returned NULL)");
- }
+ }
return res;
}
-/** @brief Like malloc, but xbt_die() on error
+
+XBT_PUBLIC(void) xbt_backtrace_display_current(void);
+
+/** @brief Like malloc, but xbt_die() on error
@hideinitializer */
-static XBT_INLINE void *xbt_malloc(int n){
- void *res=malloc(n);
+static inline __attribute__((always_inline)) void *xbt_malloc(unsigned int n)
+{
+ void *res;
+/* if (n==0) {
+ xbt_backtrace_display_current();
+ xbt_die("malloc(0) is not portable");
+ }*/
+
+ res = malloc(n);
if (!res)
- xbt_die(bprintf("Memory allocation of %d bytes failed",n));
+ xbt_die(bprintf("Memory allocation of %d bytes failed", n));
return res;
}
/** @brief like malloc, but xbt_die() on error and memset data to 0
@hideinitializer */
-static XBT_INLINE void *xbt_malloc0(int n) {
- void *res=calloc(n,1);
+static inline __attribute__((always_inline)) void *xbt_malloc0(unsigned int n)
+{
+ void *res;
+ //if (n==0) xbt_die("calloc(0) is not portable");
+ res = calloc(n, 1);
if (!res)
- xbt_die(bprintf("Memory callocation of %d bytes failed",n));
+ xbt_die(bprintf("Memory callocation of %d bytes failed", n));
return res;
}
-
-/** @brief like realloc, but xbt_die() on error
+
+/** @brief like realloc, but xbt_die() on error
@hideinitializer */
-static XBT_INLINE void *xbt_realloc(void*p,int s){
- void *res=res;
+static inline __attribute__((always_inline)) void *xbt_realloc(void *p, unsigned int s)
+{
+ void *res = res;
+ //if (s==0) xbt_die("realloc(0) is not portable");
if (s) {
if (p) {
- res=realloc(p,s);
- if (!res)
- xbt_die(bprintf("memory (re)allocation of %d bytes failed",s));
+ res = realloc(p, s);
+ if (!res)
+ xbt_die(bprintf("memory (re)allocation of %d bytes failed", s));
} else {
- res=xbt_malloc(s);
+ res = xbt_malloc(s);
}
} else {
if (p) {
/** @brief like free
@hideinitializer */
-#define xbt_free free /*nothing specific to do here. A poor valgrind replacement?*/
+#define xbt_free free /*nothing specific to do here. A poor valgrind replacement? */
/*#define xbt_free_fct free * replacement with the guareenty of being a function FIXME:KILLME*/
-/** @brief like free
- @hideinitializer */
-XBT_PUBLIC(void) xbt_free_f(void* p);
+/** @brief like free, but you can be sure that it is a function */
+XBT_PUBLIC(void) xbt_free_f(void *p);
+/** @brief should be given a pointer to pointer, and frees the second one */
+XBT_PUBLIC(void) xbt_free_ref(void *d);
/** @brief like calloc, but xbt_die() on error and don't memset to 0
@hideinitializer */
@hideinitializer */
#define xbt_new0(type, count) ((type*)xbt_malloc0 (sizeof (type) * (count)))
-/** @} */
+/** @} */
+
-
SG_END_DECL()
-
#endif /* _XBT_SYSDEP_H */