| 2aa62f2b |
1 | /* $NetBSD: fileno.c,v 1.12 2004/05/09 17:27:53 kleink Exp $ */\r |
| 2 | \r |
| 3 | /*-\r |
| 4 | * Copyright (c) 1990, 1993\r |
| 5 | * The Regents of the University of California. All rights reserved.\r |
| 6 | *\r |
| 7 | * This code is derived from software contributed to Berkeley by\r |
| 8 | * Chris Torek.\r |
| 9 | *\r |
| 10 | * Redistribution and use in source and binary forms, with or without\r |
| 11 | * modification, are permitted provided that the following conditions\r |
| 12 | * are met:\r |
| 13 | * 1. Redistributions of source code must retain the above copyright\r |
| 14 | * notice, this list of conditions and the following disclaimer.\r |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright\r |
| 16 | * notice, this list of conditions and the following disclaimer in the\r |
| 17 | * documentation and/or other materials provided with the distribution.\r |
| 18 | * 3. Neither the name of the University nor the names of its contributors\r |
| 19 | * may be used to endorse or promote products derived from this software\r |
| 20 | * without specific prior written permission.\r |
| 21 | *\r |
| 22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r |
| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r |
| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r |
| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r |
| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r |
| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r |
| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r |
| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r |
| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r |
| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r |
| 32 | * SUCH DAMAGE.\r |
| 33 | */\r |
| 34 | #include <LibConfig.h>\r |
| 35 | #include <sys/EfiCdefs.h>\r |
| 36 | #if defined(LIBC_SCCS) && !defined(lint)\r |
| 37 | #if 0\r |
| 38 | static char sccsid[] = "@(#)fileno.c 8.1 (Berkeley) 6/4/93";\r |
| 39 | #else\r |
| 40 | __RCSID("$NetBSD: fileno.c,v 1.12 2004/05/09 17:27:53 kleink Exp $");\r |
| 41 | #endif\r |
| 42 | #endif /* LIBC_SCCS and not lint */\r |
| 43 | \r |
| 44 | #include "namespace.h"\r |
| 45 | #include <assert.h>\r |
| 46 | #include <errno.h>\r |
| 47 | #include <stdio.h>\r |
| 48 | #include "reentrant.h"\r |
| 49 | #include "local.h"\r |
| 50 | \r |
| 51 | /*\r |
| 52 | * A subroutine version of the macro fileno.\r |
| 53 | */\r |
| 54 | #undef fileno\r |
| 55 | int _fileno __P((FILE *)); /* XXX */\r |
| 56 | \r |
| 57 | __weak_alias(fileno,_fileno)\r |
| 58 | \r |
| 59 | int\r |
| 60 | _fileno(fp)\r |
| 61 | FILE *fp;\r |
| 62 | {\r |
| 63 | int r;\r |
| 64 | \r |
| 65 | _DIAGASSERT(fp != NULL);\r |
| 66 | \r |
| 67 | FLOCKFILE(fp);\r |
| 68 | r = __sfileno(fp);\r |
| 69 | FUNLOCKFILE(fp);\r |
| 70 | return r;\r |
| 71 | }\r |
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