57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#include <u.h>
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#include <lib9.h>
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#include <bio.h>
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#include "pci.h"
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#include "vga.h"
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int vflag, Vflag;
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void
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error(char* format, ...)
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{
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char buf[512], *out;
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va_list arg;
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int n;
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sequencer(0, 1);
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n = sprint(buf, "%s: ", argv0);
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va_start(arg, format);
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out = vseprint(buf+n, buf+sizeof(buf)-n, format, arg);
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va_end(arg);
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if(vflag)
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Bprint(&stdout, "%s", buf+n);
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Bflush(&stdout);
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jehanne_write(2, buf, out-buf);
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exits("error");
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}
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void
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trace(char* format, ...)
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{
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char buf[512];
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va_list arg;
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if(vflag || Vflag){
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if(curprintindex){
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curprintindex = 0;
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Bprint(&stdout, "\n");
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}
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va_start(arg, format);
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vseprint(buf, buf+sizeof(buf), format, arg);
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va_end(arg);
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Bprint(&stdout, "%s", buf);
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if(Vflag)
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print("%s", buf);
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}
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}
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