зеркало из https://github.com/mozilla/gecko-dev.git
95 строки
2.0 KiB
C
95 строки
2.0 KiB
C
|
/*-
|
||
|
|
* See the file LICENSE for redistribution information.
|
||
|
|
*
|
||
|
|
* Copyright (c) 1997, 1998
|
||
|
|
* Sleepycat Software. All rights reserved.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "config.h"
|
||
|
|
|
||
|
|
#ifndef lint
|
||
|
|
static const char sccsid[] = "@(#)os_oflags.c 10.6 (Sleepycat) 4/19/98";
|
||
|
|
#endif /* not lint */
|
||
|
|
|
||
|
|
#ifndef NO_SYSTEM_INCLUDES
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <sys/stat.h>
|
||
|
|
|
||
|
|
#include <fcntl.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "db_int.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* __db_oflags --
|
||
|
|
* Convert open(2) flags to DB flags.
|
||
|
|
*
|
||
|
|
* PUBLIC: u_int32_t __db_oflags __P((int));
|
||
|
|
*/
|
||
|
|
u_int32_t
|
||
|
|
__db_oflags(oflags)
|
||
|
|
int oflags;
|
||
|
|
{
|
||
|
|
u_int32_t dbflags;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* XXX
|
||
|
|
* Convert POSIX 1003.1 open(2) flags to DB flags. Not an exact
|
||
|
|
* science as most POSIX implementations don't have a flag value
|
||
|
|
* for O_RDONLY, it's simply the lack of a write flag.
|
||
|
|
*/
|
||
|
|
dbflags = 0;
|
||
|
|
if (oflags & O_CREAT)
|
||
|
|
dbflags |= DB_CREATE;
|
||
|
|
if (!(oflags & (O_RDWR | O_WRONLY)) || oflags & O_RDONLY)
|
||
|
|
dbflags |= DB_RDONLY;
|
||
|
|
if (oflags & O_TRUNC)
|
||
|
|
dbflags |= DB_TRUNCATE;
|
||
|
|
return (dbflags);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* __db_omode --
|
||
|
|
* Convert a permission string to the correct open(2) flags.
|
||
|
|
*
|
||
|
|
* PUBLIC: int __db_omode __P((const char *));
|
||
|
|
*/
|
||
|
|
int
|
||
|
|
__db_omode(perm)
|
||
|
|
const char *perm;
|
||
|
|
{
|
||
|
|
int mode;
|
||
|
|
|
||
|
|
#ifndef S_IRUSR
|
||
|
|
#if defined(_WIN32) || defined(WIN16)
|
||
|
|
#define S_IRUSR S_IREAD /* R for owner */
|
||
|
|
#define S_IWUSR S_IWRITE /* W for owner */
|
||
|
|
#define S_IRGRP 0 /* R for group */
|
||
|
|
#define S_IWGRP 0 /* W for group */
|
||
|
|
#define S_IROTH 0 /* R for other */
|
||
|
|
#define S_IWOTH 0 /* W for other */
|
||
|
|
#else
|
||
|
|
#define S_IRUSR 0000400 /* R for owner */
|
||
|
|
#define S_IWUSR 0000200 /* W for owner */
|
||
|
|
#define S_IRGRP 0000040 /* R for group */
|
||
|
|
#define S_IWGRP 0000020 /* W for group */
|
||
|
|
#define S_IROTH 0000004 /* R for other */
|
||
|
|
#define S_IWOTH 0000002 /* W for other */
|
||
|
|
#endif /* _WIN32 || WIN16 */
|
||
|
|
#endif
|
||
|
|
mode = 0;
|
||
|
|
if (perm[0] == 'r')
|
||
|
|
mode |= S_IRUSR;
|
||
|
|
if (perm[1] == 'w')
|
||
|
|
mode |= S_IWUSR;
|
||
|
|
if (perm[2] == 'r')
|
||
|
|
mode |= S_IRGRP;
|
||
|
|
if (perm[3] == 'w')
|
||
|
|
mode |= S_IWGRP;
|
||
|
|
if (perm[4] == 'r')
|
||
|
|
mode |= S_IROTH;
|
||
|
|
if (perm[5] == 'w')
|
||
|
|
mode |= S_IWOTH;
|
||
|
|
return (mode);
|
||
|
|
}
|