#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
#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
#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 */