52 lines
955 B
C
52 lines
955 B
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1997,2008 Oracle. All rights reserved.
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*
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* $Id: openflags.c 63573 2008-05-23 21:43:21Z trent.nelson $
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*/
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#include "db_config.h"
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#include "db_int.h"
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/*
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* __db_openflags --
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* Convert open(2) flags to DB flags.
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*
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* PUBLIC: u_int32_t __db_openflags __P((int));
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*/
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u_int32_t
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__db_openflags(oflags)
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int oflags;
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{
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u_int32_t dbflags;
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dbflags = 0;
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if (oflags & O_CREAT)
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dbflags |= DB_CREATE;
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if (oflags & O_TRUNC)
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dbflags |= DB_TRUNCATE;
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/*
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* !!!
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* Convert POSIX 1003.1 open(2) mode flags to DB flags. This isn't
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* an exact science as few POSIX implementations have a flag value
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* for O_RDONLY, it's simply the lack of a write flag.
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*/
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#ifndef O_ACCMODE
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#define O_ACCMODE (O_RDONLY | O_RDWR | O_WRONLY)
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#endif
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switch (oflags & O_ACCMODE) {
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case O_RDWR:
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case O_WRONLY:
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break;
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default:
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dbflags |= DB_RDONLY;
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break;
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}
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return (dbflags);
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}
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