60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
#include "stdio.h"
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#include "string.h"
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#include "../drivers/tty.h"
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int printf(const char *format, ...) {
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uint8_t buf[20],c,*s;
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int val;
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int32_t uval;
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va_list ap;
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va_start(ap, format);
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for(size_t i = 0; i < strlen((uint8_t*)format); i++) {
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if(format[i] == '%') {
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i++;
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while(format[i] == ' ')
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i++;
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switch(format[i]) {
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case 'i':
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val = va_arg(ap, int);
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itoa(val, buf, 10);
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kprint(buf);
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break;
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case 'x':
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uval = va_arg(ap, uint32_t);
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uitoa(uval, buf, 16);
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kprint(buf);
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break;
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case 'd':
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uval = va_arg(ap, uint32_t);
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uitoa(uval, buf, 10);
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kprint(buf);
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break;
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case 'c':
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c = (uint8_t)va_arg(ap, uint32_t);
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kprint_c(&c, 1, WHITE, BLACK);
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break;
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case 's':
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s = va_arg(ap, uint8_t*);
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kprint(s);
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break;
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default:
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kprint_c((uint8_t*)format+i, 1, WHITE, BLACK);
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}
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} else
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kprint_c((uint8_t*)format+i, 1, WHITE, BLACK);
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}
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va_end(ap);
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return 0;
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}
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int printf_color(const char *format, uint8_t fg, uint8_t bg) {
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kprint_c((uint8_t*)format, strlen((uint8_t*)format), fg, bg);
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return 0;
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}
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void puts(const char *buf) {
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printf("%s\n", buf);
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}
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