diff options
Diffstat (limited to 'libc/stdio/flags.c')
-rw-r--r-- | libc/stdio/flags.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/libc/stdio/flags.c b/libc/stdio/flags.c deleted file mode 100644 index dde0447..0000000 --- a/libc/stdio/flags.c +++ /dev/null @@ -1,82 +0,0 @@ -/* $OpenBSD: flags.c,v 1.6 2005/08/08 08:05:36 espie Exp $ */ -/*- - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Chris Torek. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/types.h> -#include <sys/file.h> -#include <stdio.h> -#include <errno.h> -#include <fcntl.h> - -/* - * Return the (stdio) flags for a given mode. Store the flags - * to be passed to an open() syscall through *optr. - * Return 0 on error. - */ -int -__sflags(const char *mode, int *optr) -{ - int ret, m, o; - - switch (*mode++) { - - case 'r': /* open for reading */ - ret = __SRD; - m = O_RDONLY; - o = 0; - break; - - case 'w': /* open for writing */ - ret = __SWR; - m = O_WRONLY; - o = O_CREAT | O_TRUNC; - break; - - case 'a': /* open for appending */ - ret = __SWR; - m = O_WRONLY; - o = O_CREAT | O_APPEND; - break; - - default: /* illegal mode */ - errno = EINVAL; - return (0); - } - - /* [rwa]\+ or [rwa]b\+ means read and write */ - if (*mode == '+' || (*mode == 'b' && mode[1] == '+')) { - ret = __SRW; - m = O_RDWR; - } - *optr = m | o; - return (ret); -} |