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#include <u.h>
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#include <libc.h>
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int
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access(char *name, int mode)
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{
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	int fd;
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	Dir *db;
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	static char omode[] = {
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		0,
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		OEXEC,
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		OWRITE,
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		ORDWR,
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		OREAD,
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		OEXEC,	/* only approximate */
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		ORDWR,
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		ORDWR	/* only approximate */
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	};
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	if(mode == AEXIST){
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		db = dirstat(name);
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		free(db);
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		if(db != nil)
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			return 0;
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		return -1;
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	}
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	fd = open(name, omode[mode&7]);
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	if(fd >= 0){
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		close(fd);
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		return 0;
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	}
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	return -1;
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}