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Sprite 1984 - 1993
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Sprite 1984 - 1993.iso
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unixSyscall
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access.c
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C/C++ Source or Header
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1988-08-10
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/*
* access.c --
*
* Procedure to map from Unix access system call to Sprite.
*
* Copyright 1986 Regents of the University of California
* All rights reserved.
*/
#ifndef lint
static char rcsid[] = "$Header: access.c,v 1.2 88/08/10 11:38:58 ouster Exp $ SPRITE (Berkeley)";
#endif not lint
#include "sprite.h"
#include "fs.h"
#include "proc.h"
#include "compatInt.h"
#include <errno.h>
#include <sys/file.h>
/*
*----------------------------------------------------------------------
*
* access --
*
* Procedure for Unix access call.
*
* Results:
* UNIX_SUCCESS if the access mode was valid.
* UNIX_FAILURE if the access mode was not valid.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
int
access(pathName, mode)
char *pathName; /* The name of the file to open */
int mode; /* access mode to test for */
{
int spriteMode;
ReturnStatus status;
if (mode == F_OK) {
spriteMode = FS_EXISTS;
} else {
spriteMode = ((mode&R_OK)?FS_READ:0) | ((mode&W_OK)?FS_WRITE:0) |
((mode&X_OK)?FS_EXECUTE:0);
}
status = Fs_CheckAccess(pathName, spriteMode, TRUE);
if (status != SUCCESS) {
errno = Compat_MapCode(status);
return(UNIX_ERROR);
} else {
return(UNIX_SUCCESS);
}
}