X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d769463e1607502305adaed67b4751d83ce558db..02305db551e2a0804a3fd7b24622be6b12285572:/src/portable.h

diff --git a/src/portable.h b/src/portable.h
index f7f0f6db0c..9a6acb37f6 100644
--- a/src/portable.h
+++ b/src/portable.h
@@ -1,18 +1,27 @@
 /* $Id$ */
 
-/* portable -- header loading to write portable code */
+/* portable -- header loading to write portable code                         */
+/* loads much more stuff than sysdep.h since the latter is in public interface*/
 
-/* Copyright (c) 2004 Martin Quinson. */
-/* LGPL*/
+/* Copyright (c) 2004 Martin Quinson. 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 GRAS_PORTABLE_H
 #define GRAS_PORTABLE_H
 
 #include "gras_config.h"
 
-#include <errno.h>
-#include <sys/time.h> /* struct timeval */
-#include <sys/types.h>
+#include <stdarg.h>
+
+#ifdef HAVE_ERRNO_H
+#  include <errno.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+#  include <unistd.h>
+#endif
 
 /****
  **** Networking 
@@ -30,6 +39,9 @@
 #ifdef HAVE_WINSOCK2_H
 #  include <winsock2.h>
 #  include <ws2tcpip.h>  /* socklen_t, but doubtful */
+#  ifndef HAVE_WINSOCK_H
+#    define HAVE_WINSOCK_H
+#  endif
 #elif HAVE_WINSOCK_H
 #  include <winsock.h>
 #endif
@@ -53,10 +65,10 @@
 
 #       undef  sock_errno
 #       undef  sock_errstr
-#       define sock_errno()    WSAGetLastError()
-#       define sock_errstr(e)  ber_pvt_wsa_err2string(e)
+#       define sock_errno      WSAGetLastError()
+#       define sock_errstr     gras_wsa_err2string(WSAGetLastError())
 
-char *ber_pvt_wsa_err2string(int errcode);
+const char *gras_wsa_err2string(int errcode);
 
 #       define S_IRGRP 0
 #       define S_IWGRP 0
@@ -64,6 +76,8 @@ char *ber_pvt_wsa_err2string(int errcode);
 #else
 #       define tcp_read( s, buf, len)   read( s, buf, len )
 #       define tcp_write( s, buf, len)  write( s, buf, len )
+#       define sock_errno      errno
+#       define sock_errstr     strerror(errno)
 
 #       ifdef SHUT_RDWR
 #               define tcp_close( s )   (shutdown( s, SHUT_RDWR ), close( s ))
@@ -79,14 +93,18 @@ char *ber_pvt_wsa_err2string(int errcode);
 #include <fcntl.h>
 
 #ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
+#  include <sys/stat.h>
+#endif
+
+#ifndef O_BINARY
+#  define O_BINARY 0
 #endif
 
 /****
  **** Time handling
  ****/
 
-#if TIME_WITH_SYS_TIME
+#ifdef TIME_WITH_SYS_TIME
 # include <sys/time.h>
 # include <time.h>
 #else
@@ -101,5 +119,55 @@ char *ber_pvt_wsa_err2string(int errcode);
 #define sleep _sleep /* else defined in stdlib.h */
 #endif
 
+/****
+ **** Contexts
+ ****/
+
+#ifdef USE_UCONTEXT
+# ifndef S_SPLINT_S /* This header drives splint into the wall */
+#   include <ucontext.h>
+# endif 
+#endif
+
+#ifdef _WIN32
+#  include "xbt/context_win32.h" /* Manual reimplementation for prehistoric platforms */
+#endif
+
+/****
+ **** string handling (parts from http://www.ijs.si/software/snprintf/)
+ ****/
+
+/* prototype of C99 functions */
+#ifdef HAVE_SNPRINTF
+#include <stdio.h>
+#else
+extern int snprintf(char *, size_t, const char *, /*args*/ ...);
+extern int vsnprintf(char *, size_t, const char *, va_list);
+#endif
+
+/* use internal functions when OS provided ones are borken */
+#if defined(HAVE_SNPRINTF) && defined(PREFER_PORTABLE_SNPRINTF)
+extern int portable_snprintf(char *str, size_t str_m, const char *fmt, /*args*/ ...);
+extern int portable_vsnprintf(char *str, size_t str_m, const char *fmt, va_list ap);
+#define snprintf  portable_snprintf
+#define vsnprintf portable_vsnprintf
+#endif
+
+/* prototype of GNU functions  */
+extern int asprintf  (char **ptr, const char *fmt, /*args*/ ...);
+extern int vasprintf (char **ptr, const char *fmt, va_list ap);
+extern int asnprintf (char **ptr, size_t str_m, const char *fmt, /*args*/ ...);
+extern int vasnprintf(char **ptr, size_t str_m, const char *fmt, va_list ap);
+
+/*
+ * That's needed to protect solaris's printf from ever seing NULL associated to a %s format
+ * (without adding an extra check on working platforms :)
+ */
+
+#ifdef PRINTF_NULL_WORKING
+#  define PRINTF_STR(a) (a)
+#else
+#  define PRINTF_STR(a) (a)?:"(null)"
+#endif
 
 #endif /* GRAS_PORTABLE_H */