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author | Ulrich Drepper <drepper@redhat.com> | 1998-07-05 11:57:59 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1998-07-05 11:57:59 +0000 |
commit | 77ccaba1fa58f871e797ced648c2966842e477db (patch) | |
tree | fec432e9338d6956a0a9b6e5a03d330ff580bb06 /libio/iofgets_u.c | |
parent | eb27c43f02ec7890c19f424de458df903745db5d (diff) | |
download | glibc-77ccaba1fa58f871e797ced648c2966842e477db.zip glibc-77ccaba1fa58f871e797ced648c2966842e477db.tar.gz glibc-77ccaba1fa58f871e797ced648c2966842e477db.tar.bz2 |
Update.
1998-07-05 11:54 Ulrich Drepper <drepper@cygnus.com>
* Versions: Add pthread_attr_init ti GLIBC_2.1 version in libc.
Diffstat (limited to 'libio/iofgets_u.c')
-rw-r--r-- | libio/iofgets_u.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/libio/iofgets_u.c b/libio/iofgets_u.c new file mode 100644 index 0000000..1eb98bd --- /dev/null +++ b/libio/iofgets_u.c @@ -0,0 +1,56 @@ +/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include <stdio.h> + +char * +fgets_unlocked (buf, n, fp) + char *buf; + int n; + _IO_FILE *fp; +{ + _IO_size_t count; + char *result; + int old_error; + CHECK_FILE (fp, NULL); + if (n <= 0) + return NULL; + /* This is very tricky since a file descriptor may be in the + non-blocking mode. The error flag doesn't mean much in this + case. We return an error only when there is a new error. */ + old_error = fp->_IO_file_flags & _IO_ERR_SEEN; + fp->_IO_file_flags &= ~_IO_ERR_SEEN; + count = _IO_getline (fp, buf, n - 1, '\n', 1); + if (count == 0 || (fp->_IO_file_flags & _IO_ERR_SEEN)) + result = NULL; + else + { + buf[count] = '\0'; + result = buf; + } + fp->_IO_file_flags |= old_error; + return result; +} |