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oldlinux-website/Book-Lite/linux-0.12/kernel/printk.c
2024-02-19 01:11:57 -05:00

32 lines
537 B
C

/*
* linux/kernel/printk.c
*
* (C) 1991 Linus Torvalds
*/
/*
* When in kernel-mode, we cannot use printf, as fs is liable to
* point to 'interesting' things. Make a printf with fs-saving, and
* all is well.
*/
#include <stdarg.h>
#include <stddef.h>
#include <linux/kernel.h>
static char buf[1024];
extern int vsprintf(char * buf, const char * fmt, va_list args);
int printk(const char *fmt, ...)
{
va_list args;
int i;
va_start(args, fmt);
i=vsprintf(buf,fmt,args);
va_end(args);
console_print(buf);
return i;
}