/**
* Print a number to the given string, with the given base.
*/
static int __print_int( _print_ctx_t* ctx,
int i,
int b,
int sg,
int width,
int pad,
int letbase,
int print_limit )
{
char print_buf[_PRINTFMT_INT_BUF_LEN];
register char *s;
register int t, neg = 0, pc = 0;
register unsigned int u = i;
if( i == 0 ) {
print_buf[0] = '0';
print_buf[1] = '\0';
return __print_str( ctx, print_buf, width, pad, print_limit, true );
}
if( sg && b == 10 && i < 0 ) {
neg = 1;
u = -i;
}
s = print_buf + _PRINTFMT_INT_BUF_LEN - 1;
*s = '\0';
while( u ) {
t = u % b;
if( t >= 10 )
t += letbase - '0' - 10;
*--s = t + '0';
u /= b;
}
if( neg ) {
if( width && ( pad & _PRINTFMT_PAD_ZERO ) ) {
__print_char( ctx, '-' );
++pc;
--width;
} else {
*--s = '-';
}
}
return pc + __print_str( ctx, s, width, pad, print_limit, true );
}
int main (int argc, char *argv[]) {
if (argc != 2) {
__print_sw_title(argv[0]);
return ERROR;
}
else {
__print_str(argv);
}
return OK;
}
/**
* Print the given arguments, with given format onto string out.
*/
static int __print_fmt( _print_ctx_t* ctx, const char *format, va_list args )
{
int width;
int pad;
int print_limit;
int pc = 0;
char scr[2];
for( ; *format != 0; ++format ) {
if( *format == '%' ) {
++format;
width = pad = print_limit = 0;
if( *format == '\0' ) {
break;
}
if( *format == '%' ) {
goto out;
}
if( *format == '-' ) {
++format;
pad = _PRINTFMT_PAD_RIGHT;
}
while( *format == '0' ) {
++format;
pad |= _PRINTFMT_PAD_ZERO;
}
for( ; *format >= '0' && *format <= '9'; ++format ) {
width *= 10;
width += *format - '0';
}
if( *format == '.' ) {
++format;
for( ; *format >= '0' && *format <= '9'; ++format ) {
print_limit *= 10;
print_limit += *format - '0';
}
}
if( 0 == print_limit ) {
print_limit--;
}
if( *format == 'l' ) {
++format;
}
if( *format == 's' ) {
register char *s = (char *) va_arg( args, int );
pc += __print_str( ctx,
s ? s : "(null)",
width,
pad,
print_limit,
false );
continue;
}
if( *format == 'd' ) {
pc += __print_int( ctx, va_arg( args, int ), 10, 1, width, pad, 'a', print_limit );
continue;
}
if( ( *format == 'x' ) || ( *format == 'p' ) ) {
pc += __print_int( ctx, va_arg( args, int ), 16, 0, width, pad, 'a', print_limit );
continue;
}