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#include <sys/types.h>
#include <fcntl.h>
#if defined(__STDC__) && !defined(__FIRST_ARG_IN_AX__)
#include <stdarg.h>
#define va_strt va_start
#else
#include <varargs.h>
#define va_strt(p,i) va_start(p)
#endif
#if defined(__STDC__) && !defined(__FIRST_ARG_IN_AX__)
int dbprintf(const char * fmt, ...)
#else
int dbprintf(fmt, va_alist)
__const char *fmt;
va_dcl
#endif
{
va_list ptr;
int rv;
va_strt(ptr, fmt);
rv = vdbprintf(fmt,ptr);
va_end(ptr);
return rv;
}
static unsigned char * __numout (long i, int base);
static void putch(int ch) { static char buf[2]; *buf = ch; write(2,buf,1); }
int
vdbprintf(fmt, ap)
register __const char *fmt;
register va_list ap;
{
int c;
int count = 0;
int type, base;
long val;
char * cp;
char padch=' ';
int minsize, maxsize;
while(c=*fmt++)
{
count++;
if(c!='%')
putch(c);
else
{
type=1;
padch = *fmt;
maxsize=minsize=0;
if(padch == '-') fmt++;
for(;;)
{
c=*fmt++;
if( c<'0' || c>'9' ) break;
minsize*=10; minsize+=c-'0';
}
if( c == '.' )
for(;;)
{
c=*fmt++;
if( c<'0' || c>'9' ) break;
maxsize*=10; maxsize+=c-'0';
}
if( padch == '-' ) minsize = -minsize;
else
if( padch != '0' ) padch=' ';
if( c == 0 ) break;
if(c=='h')
{
c=*fmt++;
type = 0;
}
else if(c=='l')
{
c=*fmt++;
type = 2;
}
switch(c)
{
case 'x': base=16; type |= 4; if(0) {
case 'o': base= 8; type |= 4; } if(0) {
case 'u': base=10; type |= 4; } if(0) {
case 'd': base=-10; }
switch(type)
{
case 0: /* Promoted: val=va_arg(ap, short); break; */
case 1: val=va_arg(ap, int); break;
case 2: val=va_arg(ap, long); break;
case 4: /* Promoted: val=va_arg(ap, unsigned short); break; */
case 5: val=va_arg(ap, unsigned int); break;
case 6: val=va_arg(ap, unsigned long); break;
default:val=0; break;
}
cp = __numout(val,base);
if(0) {
case 's':
cp=va_arg(ap, char *);
}
count--;
c = strlen(cp);
if( !maxsize ) maxsize = c;
if( minsize > 0 )
{
minsize -= c;
while(minsize>0) { putch(padch); count++; minsize--; }
minsize=0;
}
if( minsize < 0 ) minsize= -minsize-c;
while(*cp && maxsize-->0 )
{
putch(*cp++);
count++;
}
while(minsize>0) { putch(' '); count++; minsize--; }
break;
case 'c':
putch(va_arg(ap, int));
break;
case 'C':
c = va_arg(ap, int);
if (c>0x7F) {
c &=0x7F;
putch('M'); putch('-');
}
if (c<' ' || c == '\177') {
putch('^'); putch(c^'@');
} else
putch(c);
break;
default:
putch(c);
break;
}
}
}
return count;
}
static char nstring[]="0123456789ABCDEF";
#ifndef __AS386_16__
#define NUMLTH 11
static unsigned char *
__numout(long i, int base)
{
static unsigned char out[NUMLTH+1];
int n;
int flg = 0;
unsigned long val;
if (base<0)
{
base = -base;
if (i<0)
{
flg = 1;
i = -i;
}
}
val = i;
out[NUMLTH] = '\0';
n = NUMLTH-1;
do
{
out[n--] = nstring[val % base];
val /= base;
}
while(val);
if(flg) out[n--] = '-';
return &out[n+1];
}
#else
#asm
! numout.s
!
.bss
___out lcomm $C
.text
___numout:
push bp
mov bp,sp
push di
push si
add sp,*-4
mov byte ptr -8[bp],*$0 ! flg = 0
mov si,4[bp] ; i or val.lo
mov di,6[bp] ; i or val.hi
mov cx,8[bp] ; base
test cx,cx ! base < 0 ?
jge .3num
neg cx ! base = -base
or di,di ! i < 0 ?
jns .5num
mov byte ptr -8[bp],*1 ! flg = 1
neg di ! i = -i
neg si
sbb di,0
.5num:
.3num:
mov byte ptr [___out+$B],*$0 ! out[11] = nul
mov -6[bp],*$A ! n = 10
.9num:
!!! out[n--] = nstring[val % base];
xor dx,dx
xchg ax,di
div cx
xchg ax,di
xchg ax,si
div cx
xchg ax,si ! val(new) = val / base
mov bx,dx ! dx = val % base
mov al,_nstring[bx]
mov bx,-6[bp]
dec word ptr -6[bp]
mov ___out[bx],al
mov ax,si
or ax,di ! while (val)
jne .9num
cmp byte ptr -8[bp],*$0 ! flg == 0 ?
je .Dnum
mov bx,-6[bp]
dec word ptr -6[bp]
mov byte ptr ___out[bx],*$2D ! out[n--] = minus
.Dnum:
mov ax,-6[bp]
add ax,#___out+1
add sp,*4
pop si
pop di
pop bp
ret
#endasm
#endif
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