forked from Imagelibrary/rtems
49 lines
834 B
C
49 lines
834 B
C
/*
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* access() - POSIX 1003.1b 5.6.3 - File Accessibility
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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int access(
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const char *path,
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int amode
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)
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{
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struct stat statbuf;
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if ( stat(path, &statbuf) )
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return -1;
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if ( amode & R_OK ) {
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if (!( statbuf.st_mode & S_IREAD ))
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return -1;
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}
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if ( amode & W_OK ) {
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if ( !( statbuf.st_mode & S_IWRITE ) )
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return -1;
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}
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if ( amode & X_OK ) {
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if ( !( statbuf.st_mode & S_IEXEC ) )
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return -1;
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}
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return 0;
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}
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