From 082e680bd54e999f2bb4eb77141958938b1e9ee9 Mon Sep 17 00:00:00 2001 From: Manuel Novoa III Date: Wed, 11 Feb 2004 23:48:50 +0000 Subject: New stdio core. Should be more maintainable. Fixes a couple of bugs. Codepaths streamlined. Improved performance for nonthreaded apps when linked with a thread-enabled libc. Minor iconv bug and some locale/thread related startup issues fixed. These showed up in getting a gcj-compiled java helloworld app running. Removed some old extension functions... _stdio_fdout and _stdio_fsfopen. --- libc/stdio/fileno.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 libc/stdio/fileno.c (limited to 'libc/stdio/fileno.c') diff --git a/libc/stdio/fileno.c b/libc/stdio/fileno.c new file mode 100644 index 000000000..fbfa66551 --- /dev/null +++ b/libc/stdio/fileno.c @@ -0,0 +1,45 @@ +/* Copyright (C) 2004 Manuel Novoa III + * + * GNU Library General Public License (LGPL) version 2 or later. + * + * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details. + */ + +#include "_stdio.h" + +#ifdef __DO_UNLOCKED + +weak_alias(__fileno_unlocked,fileno_unlocked); +#ifndef __UCLIBC_HAS_THREADS__ +weak_alias(__fileno_unlocked,fileno); +#endif + +int __fileno_unlocked(register FILE *stream) +{ + __STDIO_STREAM_VALIDATE(stream); + + if ((!__STDIO_STREAM_IS_CUSTOM(stream)) && (stream->__filedes >= 0)) { + return stream->__filedes; + } + + __set_errno(EBADF); + return -1; +} + +#elif defined __UCLIBC_HAS_THREADS__ + +int fileno(register FILE *stream) +{ + int retval; + __STDIO_AUTO_THREADLOCK_VAR; + + __STDIO_AUTO_THREADLOCK(stream); + + retval = __fileno_unlocked(stream); + + __STDIO_AUTO_THREADUNLOCK(stream); + + return retval; +} + +#endif -- cgit v1.2.3