7a7956a595
We now make three VirtualConsoles at boot: tty0, tty1, and tty2. We launch an instance of /bin/sh in each one. You switch between them with Alt+1/2/3 How very very cool :^)
54 lines
894 B
C++
54 lines
894 B
C++
#include "stdio.h"
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#include "stdarg.h"
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#include "types.h"
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#include "string.h"
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#include "errno.h"
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#include "unistd.h"
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#include <Kernel/Syscall.h>
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#include <AK/printf.cpp>
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extern "C" {
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int putchar(int ch)
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{
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write(0, &ch, 1);
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//Syscall::invoke(Syscall::PutCharacter, ch);
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return (byte)ch;
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}
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static void sys_putch(char*&, char ch)
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{
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putchar(ch);
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}
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int printf(const char* fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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int ret = printfInternal(sys_putch, nullptr, fmt, ap);
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va_end(ap);
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return ret;
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}
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static void buffer_putch(char*& bufptr, char ch)
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{
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*bufptr++ = ch;
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}
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int sprintf(char* buffer, const char* fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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int ret = printfInternal(buffer_putch, buffer, fmt, ap);
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buffer[ret] = '\0';
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va_end(ap);
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return ret;
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}
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void perror(const char* s)
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{
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printf("%s: %s\n", s, strerror(errno));
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}
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}
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