X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7eef625065d0b3af4a64b5665009491426db974f..9efa3c3e639a720f22e424c37ad55046922306eb:/include/xbt/misc.h

diff --git a/include/xbt/misc.h b/include/xbt/misc.h
index 7a5ea898b7..058341a65f 100644
--- a/include/xbt/misc.h
+++ b/include/xbt/misc.h
@@ -6,8 +6,6 @@
 /* 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. */
 
-#include "gras_config.h"
-
 #ifndef XBT_MISC_H
 #define XBT_MISC_H
 
@@ -20,12 +18,12 @@
 # define _XBT_GNUC_FORMAT( arg_idx )                \
 		   __attribute__((__format_arg__ (arg_idx)))
 # define _XBT_GNUC_NORETURN __attribute__((__noreturn__))
-# define _XBT_GNUC_UNUSED  __attribute__((unused))
+# define _XBT_GNUC_UNUSED  __attribute__((__unused__))
 # define _XBT_GNUC_CONSTRUCTOR __attribute__((__constructor__))
 # define _XBT_GNUC_DESTRUCTOR __attribute__((__destructor__))
 # undef _XBT_NEED_INIT_PRAGMA
 
-#else /* !__GNUC__ */
+#else                           /* !__GNUC__ */
 # define _XBT_GNUC_PRINTF( format_idx, arg_idx )
 # define _XBT_GNUC_SCANF( format_idx, arg_idx )
 # define _XBT_GNUC_FORMAT( arg_idx )
@@ -35,19 +33,22 @@
 # define _XBT_GNUC_DESTRUCTOR
 # define  _XBT_NEED_INIT_PRAGMA 1
 
-#endif /* !__GNUC__ */
+#endif                          /* !__GNUC__ */
 
 /* inline and __FUNCTION__ are only in GCC when -ansi is off */
 
 #if defined(__GNUC__) && ! defined(__STRICT_ANSI__)
 # define _XBT_FUNCTION __FUNCTION__
 #elif (defined(__STDC__) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
-# define _XBT_FUNC__ __func__   /* ISO-C99 compliant */
+# define _XBT_FUNCTION __func__ /* ISO-C99 compliant */
 #else
 # define _XBT_FUNCTION "function"
 #endif
 
-#ifndef __cplusplus
+#ifdef DOXYGEN
+#  define XBT_INLINE
+#else
+#  ifndef __cplusplus
 #    if defined(__GNUC__) && ! defined(__STRICT_ANSI__)
 #        define XBT_INLINE inline
 #    elif (defined(__STDC__) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
@@ -57,12 +58,13 @@
 #    else
 #        define XBT_INLINE
 #    endif
-#else
-#	 if defined (__VISUALC__)
-#		define XBT_INLINE __inline
-#	 else
-#    	define XBT_INLINE  inline
-#	 endif
+#  else
+#	   if defined (__VISUALC__)
+#		   define XBT_INLINE __inline
+#	   else
+#    	 define XBT_INLINE  inline
+#	   endif
+#  endif /* __cplusplus */
 #endif
 
 /* improvable on gcc (by evaluating arguments only once), but wouldn't be portable */
@@ -76,6 +78,30 @@
 #endif
 #define MAX(a,b) ((a)>(b)?(a):(b))
 
+/*
+ * Expands to `one' if there is only one argument for the variadic part.
+ * Otherwise, expands to `more'.
+ * Works with up to 63 arguments, which is the maximum mandated by the C99
+ * standard.
+ */
+#define _XBT_IF_ONE_ARG(one, more, ...)                                 \
+    _XBT_IF_ONE_ARG_(__VA_ARGS__,                                       \
+                     more, more, more, more, more, more, more, more,    \
+                     more, more, more, more, more, more, more, more,    \
+                     more, more, more, more, more, more, more, more,    \
+                     more, more, more, more, more, more, more, more,    \
+                     more, more, more, more, more, more, more, more,    \
+                     more, more, more, more, more, more, more, more,    \
+                     more, more, more, more, more, more, more, more,    \
+                     more, more, more, more, more, more, more, one)
+#define _XBT_IF_ONE_ARG_(a64, a63, a62, a61, a60, a59, a58, a57,        \
+                         a56, a55, a54, a53, a52, a51, a50, a49,        \
+                         a48, a47, a46, a45, a44, a43, a42, a41,        \
+                         a40, a39, a38, a37, a36, a35, a34, a33,        \
+                         a32, a31, a30, a29, a28, a27, a26, a25,        \
+                         a24, a23, a22, a21, a20, a19, a18, a17,        \
+                         a16, a15, a14, a13, a12, a11, a10, a9,         \
+                         a8, a7, a6, a5, a4, a3, a2, a1, N, ...) N
 
 /* 
  * Function calling convention (not used for now) 
@@ -196,4 +222,4 @@ XBT_PUBLIC(const char *) xbt_procname(void);
 #define XBT_BACKTRACE_SIZE 10   /* FIXME: better place? Do document */
 
 SG_END_DECL()
-#endif /* XBT_MISC_H */
+#endif                          /* XBT_MISC_H */