freebsd-skq/lib/libI77/fmtlib.c
L Jonas Olsson 876f9d8347 Library for f2c. (part 1 of 2)
Obtained from: netlib.att.com
1994-10-26 18:15:35 +00:00

29 lines
582 B
C

/* @(#)fmtlib.c 1.2 */
#define MAXINTLENGTH 23
#ifdef KR_headers
char *f__icvt(value,ndigit,sign, base) long value; int *ndigit,*sign;
register int base;
#else
char *f__icvt(long value, int *ndigit, int *sign, int base)
#endif
{ static char buf[MAXINTLENGTH+1];
register int i;
if(value>0) *sign=0;
else if(value<0)
{ value = -value;
*sign= 1;
}
else
{ *sign=0;
*ndigit=1;
buf[MAXINTLENGTH]='0';
return(&buf[MAXINTLENGTH]);
}
for(i=MAXINTLENGTH-1;value>0;i--)
{ *(buf+i)=(int)(value%base)+'0';
value /= base;
}
*ndigit=MAXINTLENGTH-1-i;
return(&buf[i+1]);
}