* Collection of useful common types and macros definitions
*****************************************************************************
* Copyright (C) 1998, 1999, 2000 VideoLAN
+ * $Id: common.h,v 1.21 2001/01/06 07:23:32 sam Exp $
*
- * Authors:
+ * Authors: Samuel Hocevar <sam@via.ecp.fr>
+ * Vincent Seguin <seguin@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
typedef u8 byte_t;
/* Boolean type */
+#ifdef BOOLEAN_T_IN_SYS_TYPES_H
+# include <sys/types.h>
+#else
typedef int boolean_t;
+#endif
#ifdef SYS_GNU
-#define _MACH_I386_BOOLEAN_H_
+# define _MACH_I386_BOOLEAN_H_
+#endif
+
+/* ptrdiff_t definition */
+#ifdef HAVE_STDDEF_H
+# include <stddef.h>
+#else
+# include <malloc.h>
+# ifndef _PTRDIFF_T
+# define _PTRDIFF_T
+/* Not portable in a 64-bit environment. */
+typedef int ptrdiff_t;
+# endif
#endif
/* Counter for statistics and profiling */
* Macros and inline functions
*****************************************************************************/
+#ifdef NTOHL_IN_SYS_PARAM_H
+# include <sys/param.h>
+#else
+# include <netinet/in.h>
+#endif
+
/* CEIL: division with round to nearest greater integer */
#define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
#define MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
#endif
-/* MSB (big endian)/LSB (little endian) convertions - network order is always
+/* MSB (big endian)/LSB (little endian) conversions - network order is always
* MSB, and should be used for both network communications and files. Note that
* byte orders other than little and big endians are not supported, but only
* the VAX seems to have such exotic properties - note that these 'functions'
/* XXX??: cause a compilation error */
#endif
-/* Macros used by input to access the TS buffer */
+/* Macros with automatic casts */
#define U32_AT(p) ( ntohl ( *( (u32 *)(p) ) ) )
#define U16_AT(p) ( ntohs ( *( (u16 *)(p) ) ) )