Files
QNX/lib/compat/linux/ulltoa.c
2025-08-20 19:02:58 +08:00

49 lines
1.3 KiB
C

/*
* $QNXLicenseC:
* Copyright 2007, QNX Software Systems. All Rights Reserved.
*
* You must obtain a written license from and pay applicable license fees to QNX
* Software Systems before you may reproduce, modify or distribute this software,
* or any work that includes all or part of this software. Free development
* licenses are available for evaluation and non-commercial purposes. For more
* information visit http://licensing.qnx.com or email licensing@qnx.com.
*
* This file may contain contributions from others. Please review this entire
* file for other proprietary rights or license notices, as well as the QNX
* Development Suite License Guide at http://licensing.qnx.com/license-guide/
* for other information.
* $
*/
#include <stdlib.h>
#include <errno.h>
#if defined(__WATCOMC__) && __WATCOMC__ <= 1100
#define FIXCONST __based(__segname("CONST2"))
#else
#define FIXCONST
#endif
char *ulltoa(u_int64_t value, char *buf, int radix) {
char tmp[64 + 1]; /* Lowest radix is 2, so 64-bits plus a null */
char *p1 = tmp, *p2;
static const char FIXCONST xlat[] = "0123456789abcdefghijklmnopqrstuvwxyz";
if(radix < 2 || radix > 36) {
errno = EINVAL;
return 0;
}
do {
*p1++ = xlat[value % radix];
} while(value /= radix);
for(p2 = buf; p1 != tmp; *p2++ = *--p1);
*p2 = '\0';
return buf;
}