《操作系统》的实验代码。
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28 regels
583 B

#include <defs.h>
#include <stdarg.h>
#include <stdio.h>
#include <ulib.h>
#include <error.h>
void
__panic(const char *file, int line, const char *fmt, ...) {
// print the 'message'
va_list ap;
va_start(ap, fmt);
cprintf("user panic at %s:%d:\n ", file, line);
vcprintf(fmt, ap);
cprintf("\n");
va_end(ap);
exit(-E_PANIC);
}
void
__warn(const char *file, int line, const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
cprintf("user warning at %s:%d:\n ", file, line);
vcprintf(fmt, ap);
cprintf("\n");
va_end(ap);
}