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WebSVN – planix.SVN – Blame – /os/branches/feature-vt/sys/src/cmd/aux/flashfs/testld.c – Rev 2

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#include <u.h>
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#include <libc.h>
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#include <auth.h>
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#include <fcall.h>
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#include <thread.h>
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#include <9p.h>
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#include "flashfs.h"
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static void
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usage(void)
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{
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	fprint(2, "usage: %s -n nsect -z sectsize -f file\n", prog);
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	exits("usage");
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}
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static ulong
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argval(char *arg)
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{
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	long v;
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	char *extra;
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	if(arg == nil)
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		usage();
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	v = strtol(arg, &extra, 0);
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	if(*extra || v <= 0)
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		usage();
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	return v;
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}
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void
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main(int argc, char **argv)
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{
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	char *file;
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	prog = "testldfs";
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	file = nil;
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	ARGBEGIN {
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	case 'n':
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		nsects = argval(ARGF());
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		break;
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	case 'z':
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		sectsize = argval(ARGF());
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		break;
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	case 'f':
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		file = ARGF();
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		break;
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	default:
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		usage();
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	} ARGEND
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	if(argc != 0 || nsects == 0 || sectsize == 0 || file == nil)
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		usage();
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	if(nsects < 8) {
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		fprint(2, "%s: unreasonable value for nsects: %lud\n", prog, nsects);
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		exits("nsects");
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	}
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	if(sectsize < 512) {
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		fprint(2, "%s: unreasonable value for sectsize: %lud\n", prog, sectsize);
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		exits("sectsize");
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	}
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	sectbuff = emalloc9p(sectsize);
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	initdata(file, 0);
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	einit();
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	loadfs(1);
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}