#include <u.h>#include <libc.h>#include <bio.h> #include "pci.h"#include "vga.h" int vflag, Vflag; voiderror(char* format, ...){ char buf[512], *out; va_list arg; int n; sequencer(0, 1); n = sprint(buf, "%s: ", argv0); va_start(arg, format); out = vseprint(buf+n, buf+sizeof(buf)-n, format, arg); va_end(arg); if(vflag) Bprint(&stdout, "%s", buf+n); Bflush(&stdout); write(2, buf, out-buf); exits("error");} voidtrace(char* format, ...){ char buf[512]; va_list arg; if(vflag || Vflag){ if(curprintindex){ curprintindex = 0; Bprint(&stdout, "\n"); } va_start(arg, format); vseprint(buf, buf+sizeof(buf), format, arg); va_end(arg); Bprint(&stdout, "%s", buf); if(Vflag) print("%s", buf); }}
#include <u.h>
#include <libc.h>
#include <bio.h>
#include "pci.h"
#include "vga.h"
int vflag, Vflag;
void
error(char* format, ...)
{
char buf[512], *out;
va_list arg;
int n;
sequencer(0, 1);
n = sprint(buf, "%s: ", argv0);
va_start(arg, format);
out = vseprint(buf+n, buf+sizeof(buf)-n, format, arg);
va_end(arg);
if(vflag)
Bprint(&stdout, "%s", buf+n);
Bflush(&stdout);
write(2, buf, out-buf);
exits("error");
}
void
trace(char* format, ...)
{
char buf[512];
va_list arg;
if(vflag || Vflag){
if(curprintindex){
curprintindex = 0;
Bprint(&stdout, "\n");
}
va_start(arg, format);
vseprint(buf, buf+sizeof(buf), format, arg);
va_end(arg);
Bprint(&stdout, "%s", buf);
if(Vflag)
print("%s", buf);
}
}