X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9dcc6d112b6086b831300a3dfd611bde47c91457..c60ecd167e796895eb98398295e320688ffe701b:/include/xbt/sysdep.h

diff --git a/include/xbt/sysdep.h b/include/xbt/sysdep.h
index 96613ca0d9..2a0c78bad5 100644
--- a/include/xbt/sysdep.h
+++ b/include/xbt/sysdep.h
@@ -17,7 +17,7 @@
    
 #include "xbt/misc.h"
 #include "xbt/asserts.h"
-  
+
 SG_BEGIN_DECL()
 
 /* They live in asserts.h, but need to be declared before this module.
@@ -33,8 +33,10 @@ 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 */
-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);
+#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
@@ -57,7 +59,9 @@ static XBT_INLINE char *xbt_strdup(const char *s) {
 /** @brief Like malloc, but xbt_die() on error 
     @hideinitializer */
 static XBT_INLINE void *xbt_malloc(unsigned int n){
-  void *res=malloc(n);
+  void *res;
+//  if (n==0) xbt_die("malloc(0) is not portable");
+  res=malloc(n);
   if (!res)
      xbt_die(bprintf("Memory allocation of %d bytes failed",n));
   return res;
@@ -66,7 +70,9 @@ static XBT_INLINE void *xbt_malloc(unsigned int n){
 /** @brief like malloc, but xbt_die() on error and memset data to 0
     @hideinitializer */
 static XBT_INLINE void *xbt_malloc0(unsigned int n) {
-  void *res=calloc(n,1);
+  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));
   return res;
@@ -76,6 +82,7 @@ static XBT_INLINE void *xbt_malloc0(unsigned int n) {
     @hideinitializer */
 static XBT_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);
@@ -103,9 +110,10 @@ static XBT_INLINE void *xbt_realloc(void*p,unsigned int s){
 #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 */
+/** @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 */