[unix-history] / usr.bin / m4 / ourlims.h

/*  File   : ourlims.h
    Author : Richard A. O'Keefe
    Defines: UCHAR_MAX, CHAR_BIT, LONG_BIT
*/
/*  If <limits.h> is available, use that.
    Otherwise, use 8-bit byte as the default.
    If the number of characters is a power of 2, you might be able
    to use (unsigned char)(~0), but why get fancy?
*/
#ifdef	__STDC__
#include <limits.h>
#else
#define	UCHAR_MAX 255
#define	CHAR_BIT 8
#endif
#define LONG_BIT 32
Commit	Line	Data
0bdacbe1 AM	1	/* File : ourlims.h
	2	Author : Richard A. O'Keefe
	3	Defines: UCHAR_MAX, CHAR_BIT, LONG_BIT
	4	*/
	5	/* If <limits.h> is available, use that.
	6	Otherwise, use 8-bit byte as the default.
	7	If the number of characters is a power of 2, you might be able
	8	to use (unsigned char)(~0), but why get fancy?
	9	*/
	10	#ifdef __STDC__
	11	#include <limits.h>
	12	#else
	13	#define UCHAR_MAX 255
	14	#define CHAR_BIT 8
	15	#endif
	16	#define LONG_BIT 32