257551c6a0
between a 32-bit integer and a radix-64 ASCII string. The l64a_r() function is a NetBSD addition. PR: 51209 (based on submission, but very different) Reviewed by: bde, ru
47 lines
851 B
C
47 lines
851 B
C
/*-
|
|
* Written by J.T. Conklin <jtc@netbsd.org>.
|
|
* Public domain.
|
|
*/
|
|
|
|
#if 0
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: a64l.c,v 1.8 2000/01/22 22:19:19 mycroft Exp $");
|
|
#endif /* not lint */
|
|
#endif
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <stdlib.h>
|
|
#include <inttypes.h>
|
|
|
|
#define ADOT 46 /* ASCII '.' */
|
|
#define ASLASH ADOT + 1 /* ASCII '/' */
|
|
#define A0 48 /* ASCII '0' */
|
|
#define AA 65 /* ASCII 'A' */
|
|
#define Aa 97 /* ASCII 'a' */
|
|
|
|
long
|
|
a64l(const char *s)
|
|
{
|
|
long shift;
|
|
int digit, i, value;
|
|
|
|
value = 0;
|
|
shift = 0;
|
|
for (i = 0; *s != '\0' && i < 6; i++, s++) {
|
|
if (*s <= ASLASH)
|
|
digit = *s - ASLASH + 1;
|
|
else if (*s <= A0 + 9)
|
|
digit = *s - A0 + 2;
|
|
else if (*s <= AA + 25)
|
|
digit = *s - AA + 12;
|
|
else
|
|
digit = *s - Aa + 38;
|
|
|
|
value |= digit << shift;
|
|
shift += 6;
|
|
}
|
|
return (value);
|
|
}
|