-/* $Id$ */
+/* xbt.h - Public interface to the xbt (simgrid's toolbox) */
-/* xbt.h - Public interface to the xbt (gras's toolbox) */
-
-/* Copyright (c) 2004 Martin Quinson. */
-/* Copyright (c) 2004 Arnaud Legrand. */
-/* All rights reserved. */
+/* Copyright (c) 2004-2015. 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. */
#ifndef XBT_MISC_H
#define XBT_MISC_H
-/* Attributes are only in recent versions of GCC */
-#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
-# define _XBT_GNUC_PRINTF( format_idx, arg_idx ) \
- __attribute__((__format__ (__printf__, format_idx, arg_idx)))
-# define _XBT_GNUC_SCANF( format_idx, arg_idx ) \
- __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
-# define _XBT_GNUC_FORMAT( arg_idx ) \
- __attribute__((__format_arg__ (arg_idx)))
-# define _XBT_GNUC_NORETURN __attribute__((__noreturn__))
-# define _XBT_GNUC_UNUSED __attribute__((unused))
-
-#else /* !__GNUC__ */
-# define _XBT_GNUC_PRINTF( format_idx, arg_idx )
-# define _XBT_GNUC_SCANF( format_idx, arg_idx )
-# define _XBT_GNUC_FORMAT( arg_idx )
-# define _XBT_GNUC_NORETURN
-# define _XBT_GNUC_UNUSED
-
-#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 */
-#else
-# define _XBT_FUNCTION "function"
-#endif
+#include <stdarg.h>
-#ifndef __cplusplus
-# if defined(__GNUC__) && ! defined(__STRICT_ANSI__)
-# define XBT_INLINE inline
-# elif (defined(__STDC__) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
-# define XBT_INLINE inline
-# elif defined(__BORLANDC__) && !defined(__STRICT_ANSI__)
-# define XBT_INLINE __inline
-# else
-# define XBT_INLINE
-# endif
-# else
-# define XBT_INLINE inline
-#endif
+#include "simgrid_config.h"
+#include "base.h"
+#include "dynar.h"
-/* improvable on gcc (by evaluating arguments only once), but wouldn't be portable */
-#ifdef MIN
-# undef MIN
-#endif
-#define MIN(a,b) ((a)<(b)?(a):(b))
+SG_BEGIN_DECL()
-#ifdef MAX
-# undef MAX
-#endif
-#define MAX(a,b) ((a)>(b)?(a):(b))
+/** Cache the size of a memory page for the current system. */
+XBT_PUBLIC_DATA(int) xbt_pagesize;
+/** Cache the number of bits of addresses inside a given page, log2(xbt_pagesize). */
+XBT_PUBLIC_DATA(int) xbt_pagebits;
-/*
- * Function calling convention (not used for now)
- */
-
-#ifdef _WIN32
-# ifndef _XBT_CALL
-# define _XBT_CALL __cdecl
-# endif
-#else
-# define _XBT_CALL
-#endif
+XBT_PUBLIC(const char *) xbt_procname(void);
-/* Handle import/export stuff
- *
- * Rational of XBT_PUBLIC:
- * * This is for library symbols visible from the application-land.
- * Basically, any symbols defined in the include/directory must be
- * like this (plus some other globals).
- *
- * UNIX coders should just think of it as a special way to say "extern".
- *
- * * If you build the DLL, define the DLL_EXPORT symbol so that all symbols
- * actually get exported by this file.
+/** Retrieves the version numbers of the used dynamic library (so, DLL or dynlib) , while
+ SIMGRID_VERSION_MAJOR and friends give the version numbers of the used header files */
+XBT_PUBLIC(void) sg_version(int *major,int *minor,int *patch);
- * * If you do a static windows compilation, define DLL_STATIC, both when
- * compiling the application files and when compiling the library.
- *
- * * If you link your application against the DLL or if you do a UNIX build,
- * don't do anything special. This file will do the right thing for you
- * by default.
- *
- *
- * Rational of XBT_EXPORT_NO_IMPORT: (windows-only cruft)
- * * Symbols which must be exported in the DLL, but not imported from it.
- *
- * * This is obviously useful for initialized globals (which cannot be
- * extern or similar).
- * * This is also used in the log mecanism where a macro creates the
- * variable automatically. When the macro is called from within SimGrid,
- * the symbol must be exported, but when called from within the client
- * code, it must not try to retrieve the symbol from the DLL since it's
- * not in there.
- *
- * Rational of XBT_IMPORT_NO_EXPORT: (windows-only cruft)
- * * Symbols which must be imported from the DLL, but not explicitely
- * exported from it.
- *
- * * The root log category is already exported, but not imported explicitely
- * when creating a subcategory since we cannot import the parent category
- * to deal with the fact that the parent may be in application space, not
- * DLL space.
- */
+/** Helps ensuring that the header version (SIMGRID_VERSION_MAJOR and friends) and the dynamic library version do match. */
+XBT_PUBLIC(void) sg_version_check(int lib_version_major,int lib_version_minor,int lib_version_patch);
+/** Contains all the parameters we got from the command line */
+XBT_PUBLIC_DATA(xbt_dynar_t) sg_cmdline;
-/* Build the DLL */
-#if defined(DLL_EXPORT)
-# define XBT_PUBLIC(type) __declspec(dllexport) type
-# define XBT_EXPORT_NO_IMPORT(type) __declspec(dllexport) type
-# define XBT_IMPORT_NO_EXPORT(type) type
-# define XBT_PUBLIC_DATA(type) __declspec(dllexport) type
-
-/* Pack everything up statically */
-#elif defined(DLL_STATIC)
-# define XBT_PUBLIC(type) extern type
-# define XBT_EXPORT_NO_IMPORT(type) type
-# define XBT_IMPORT_NO_EXPORT(type) type
-# define XBT_PUBLIC_DATA(type) extern type
-
-
-/* Link against the DLL */
-#elif (defined(_WIN32) && !defined(DLL_EXPORT) && !defined(DLL_STATIC))
-# define XBT_PUBLIC(type) __declspec(dllimport) type
-# define XBT_EXPORT_NO_IMPORT(type) type
-# define XBT_IMPORT_NO_EXPORT(type) __declspec(dllimport) type
-# define XBT_PUBLIC_DATA(type) __declspec(dllimport) type
-
-/* UNIX build. Let's keep sain here ;) */
-#else
-# define XBT_PUBLIC(type) extern type
-# define XBT_EXPORT_NO_IMPORT(type) type
-# define XBT_IMPORT_NO_EXPORT(type) type
-# define XBT_PUBLIC_DATA(type) extern type
-#endif
-
-#if !defined (max) && !defined(__cplusplus)
-# define max(a,b) (((a) > (b)) ? (a) : (b))
-#endif
-#if !defined (min) && !defined(__cplusplus)
-# define min(a,b) (((a) < (b)) ? (a) : (b))
-#endif
+#define XBT_BACKTRACE_SIZE 10 /* FIXME: better place? Do document */
-#define TRUE 1
-#define FALSE 0
-
-#define XBT_MAX_CHANNEL 10 /* FIXME: killme */
-/*! C++ users need love */
-#ifndef SG_BEGIN_DECL
-# ifdef __cplusplus
-# define SG_BEGIN_DECL() extern "C" {
-# else
-# define SG_BEGIN_DECL()
-# endif
+/* snprintf related functions */
+/** @addtogroup XBT_str
+ * @{ */
+/** @brief print to allocated string (reimplemented when not provided by the system)
+ *
+ * The functions asprintf() and vasprintf() are analogues of
+ * sprintf() and vsprintf(), except that they allocate a string large
+ * enough to hold the output including the terminating null byte, and
+ * return a pointer to it via the first parameter. This pointer
+ * should be passed to free(3) to release the allocated storage when
+ * it is no longer needed.
+ */
+#if defined(SIMGRID_NEED_ASPRINTF)||defined(DOXYGEN)
+XBT_PUBLIC(int) asprintf(char **ptr, const char *fmt, /*args */
+ ...) _XBT_GNUC_PRINTF(2, 3);
#endif
-
-#ifndef SG_END_DECL
-# ifdef __cplusplus
-# define SG_END_DECL() }
-# else
-# define SG_END_DECL()
-# endif
+/** @brief print to allocated string (reimplemented when not provided by the system)
+ *
+ * See asprintf()
+ */
+#if defined(SIMGRID_NEED_VASPRINTF)||defined(DOXYGEN)
+XBT_PUBLIC(int) vasprintf(char **ptr, const char *fmt, va_list ap);
#endif
-/* End of cruft for C++ */
-
-SG_BEGIN_DECL()
-XBT_PUBLIC(const char *)xbt_procname(void);
+/** @brief print to allocated string
+ *
+ * Works just like vasprintf(), but returns a pointer to the newly
+ * created string, or aborts on error.
+ */
+XBT_PUBLIC(char *) bvprintf(const char *fmt, va_list ap);
+/** @brief print to allocated string
+ *
+ * Works just like asprintf(), but returns a pointer to the newly
+ * created string, or aborts on error.
+ */
+XBT_PUBLIC(char *) bprintf(const char *fmt, ...) _XBT_GNUC_PRINTF(1, 2);
+/** @} */
-#define XBT_BACKTRACE_SIZE 10 /* FIXME: better place? Do document */
-
SG_END_DECL()
-#endif /* XBT_MISC_H */
-
-
-
-
+#endif /* XBT_MISC_H */
