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/*
* integers.h:
* This header file ensures that we have u_int<n>_t types of the proper width,
* using a rather convoluted set of conditionals generated by configure. This
* is an almighty pain in the arse, and is completely irrelevant on most
* systems which already define this stuff.
*
* $Id: integers.h,v 1.1 2002/11/04 12:28:43 chris Exp $
*
*/
#ifndef __INTEGERS_H_ /* include guard */
#define __INTEGERS_H_
#include <sys/types.h>
#include "config.h"
#if SIZEOF_U_INT8_T != 1 || SIZEOF_U_INT16_T != 2 || SIZEOF_U_INT32_T != 4
# if defined(HAVE_C99_INTS)
/*
* Use the C99 standard-width integers, defined in some appropriate
* header file.
*/
# if defined(HAVE_STDINT_H)
# include <stdint.h>
# elif defined(HAVE_SYS_INTTYPES_H)
# include <sys/inttypes.h>
# endif
/* Don't replace existing u_int<n>_t types. */
# if SIZEOF_U_INT8_T != 1
typedef uint8_t u_int8_t;
# endif
# if SIZEOF_U_INT16_T != 2
typedef uint16_t u_int16_t;
# endif
# if SIZEOF_U_INT32_T != 4
typedef uint32_t u_int32_t;
# endif
# elif (SIZEOF_UNSIGNED_SHORT_INT == 2 || SIZEOF_UNSIGNED_INT == 2) \
&& (SIZEOF_UNSIGNED_INT == 4 || SIZEOF_UNSIGNED_LONG_INT == 4)
/*
* Use an appropriately-sized basic type.
*/
# if SIZEOF_U_INT8_T != 1
typedef unsigned char u_int8_t; /* By definition. */
# endif
# if SIZEOF_U_INT16_T != 2
# if SIZEOF_UNSIGNED_SHORT_INT == 2
typedef unsigned short int u_int16_t;
# elif SIZEOF_UNSIGNED_INT == 2
typedef unsigned int u_int16_t; /* Not likely. */
# endif
# endif
# if SIZEOF_U_INT32_T != 4
# if SIZEOF_UNSIGNED_INT == 4
typedef unsigned int u_int32_t;
# elif SIZEOF_UNSIGNED_LONG_INT == 4
typedef unsigned long int u_int32_t;
# endif
# endif
/* Whew. */
# else
# error "Your C compiler seems to lack 16 and 32 bit unsigned integer types"
# endif
#endif /* No existing u_int<n>_t types. */
#endif /* __INTEGERS_H_ */
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