kolibrios/programs/emulator/kwine/lib/stdio.c

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int putchar(int ch)
{
con_init_console_dll();
char str[2];
str[0] = ch;
str[1] = 0;
con_write_asciiz(str);
return ch;
}
void cdecl puts(const char *str)
{
con_init_console_dll();
con_write_asciiz(str);
}
char* cdecl gets(char* str)
{
con_init_console_dll();
return con_gets(str, 256);
}
void putuint(int i)
{
unsigned int n, d = 1000000000;
char str[255];
unsigned int dec_index = 0;
while( ( i/d == 0 ) && ( d >= 10 ) ) d /= 10;
n = i;
while(d >= 10)
{
str[dec_index++] = ((char)((int)'0' + n/d));
n = n % d;
d /= 10;
}
str[dec_index++] = ((char)((int)'0' + n));
str[dec_index] = 0;
puts(str);
}
void putint(int i)
{
if(i >= 0)
{
putuint(i);
} else {
putchar('-');
putuint(-i);
}
}
void puthex(uint32_t i)
{
const unsigned char hex[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
unsigned int n, d = 0x10000000;
puts("0x");
while((i / d == 0) && (d >= 0x10)) d /= 0x10;
n = i;
while( d >= 0xF )
{
putchar(hex[n/d]);
n = n % d;
d /= 0x10;
}
putchar(hex[n]);
}
void print(char *format, va_list args)
{
int i = 0;
char *string;
while (format[i])
{
if (format[i] == '%')
{
i++;
switch (format[i])
{
case 's':
string = va_arg(args, char*);
puts(string);
break;
case 'c':
// To-Do: fix this! "warning: cast to pointer from integer of different size"
putchar(va_arg(args, int));
break;
case 'd':
putint(va_arg(args, int));
break;
case 'i':
putint(va_arg(args, int));
break;
case 'u':
putuint(va_arg(args, unsigned int));
break;
case 'x':
puthex(va_arg(args, uint32_t));
break;
default:
putchar(format[i]);
}
} else {
putchar(format[i]);
}
i++;
}//endwhile
}
void printf(char *text, ... )
{
va_list args;
// find the first argument
va_start(args, text);
// pass print the output handle the format text and the first argument
print(text, args);
}