43 lines
839 B
C
43 lines
839 B
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 <libc.h>
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int
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access(const 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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}
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