1997-02-06 17:52:29 +00:00
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/* open.c: The __opieopen() library function.
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1997-09-29 08:53:38 +00:00
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%%% copyright-cmetz-96
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This software is Copyright 1996-1997 by Craig Metz, All Rights Reserved.
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1997-02-06 17:52:29 +00:00
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The Inner Net License Version 2 applies to this software.
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You should have received a copy of the license with this software. If
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you didn't get a copy, you may request one from <license@inner.net>.
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History:
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Created by cmetz for OPIE 2.3.
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*/
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#include "opie_cfg.h"
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#include <stdio.h>
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#include <sys/types.h>
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#include <sys/stat.h>
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#include <errno.h>
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#include "opie.h"
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#if !HAVE_LSTAT
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#define lstat(x, y) stat(x, y)
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#endif /* !HAVE_LSTAT */
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FILE *__opieopen FUNCTION((file, rw, mode), char *file AND int rw AND int mode)
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{
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FILE *f;
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struct stat st;
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if (lstat(file, &st)) {
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if (errno != ENOENT)
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return NULL;
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if (!(f = fopen(file, "w")))
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return NULL;
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fclose(f);
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if (chmod(file, mode))
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return NULL;
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if (lstat(file, &st))
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return NULL;
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}
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if (!S_ISREG(st.st_mode))
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return NULL;
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{
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char *fmodes[] = { "r", "r+", "a" };
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if (!(f = fopen(file, fmodes[rw])))
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return NULL;
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}
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return f;
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}
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