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mirror of https://git.FreeBSD.org/src.git synced 2024-12-12 09:58:36 +00:00
freebsd/lib/libI77/fmtlib.c
1997-04-13 01:16:58 +00:00

46 lines
798 B
C

/* @(#)fmtlib.c 1.2 */
#define MAXINTLENGTH 23
#include "f2c.h"
#ifndef Allow_TYQUAD
#undef longint
#define longint long
#undef ulongint
#define ulongint unsigned long
#endif
#ifdef KR_headers
char *f__icvt(value,ndigit,sign, base) longint value; int *ndigit,*sign;
register int base;
#else
char *f__icvt(longint value, int *ndigit, int *sign, int base)
#endif
{
static char buf[MAXINTLENGTH+1];
register int i;
ulongint uvalue;
if(value > 0) {
uvalue = value;
*sign = 0;
}
else if (value < 0) {
uvalue = -value;
*sign = 1;
}
else {
*sign = 0;
*ndigit = 1;
buf[MAXINTLENGTH-1] = '0';
return &buf[MAXINTLENGTH-1];
}
i = MAXINTLENGTH;
do {
buf[--i] = (uvalue%base) + '0';
uvalue /= base;
}
while(uvalue > 0);
*ndigit = MAXINTLENGTH - i;
return &buf[i];
}