-/* Copyright (C) 1993-2012 Free Software Foundation, Inc.
+/* Copyright (C) 1993-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>.
+ <https://www.gnu.org/licenses/>.
As a special exception, if you link the code in this file with
files compiled with a GNU compiler to produce an executable,
#include <stdio.h>
char *
-_IO_fgets (buf, n, fp)
- char *buf;
- int n;
- _IO_FILE *fp;
+_IO_fgets (char *buf, int n, FILE *fp)
{
- _IO_size_t count;
+ size_t count;
char *result;
int old_error;
CHECK_FILE (fp, NULL);
if (n <= 0)
return NULL;
- if (__builtin_expect (n == 1, 0))
+ if (__glibc_unlikely (n == 1))
{
/* Another irregular case: since we have to store a NUL byte and
there is only room for exactly one byte, we don't have to
/* 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;
+ old_error = fp->_flags & _IO_ERR_SEEN;
+ fp->_flags &= ~_IO_ERR_SEEN;
count = _IO_getline (fp, buf, n - 1, '\n', 1);
/* If we read in some bytes and errno is EAGAIN, that error will
be reported for next read. */
- if (count == 0 || ((fp->_IO_file_flags & _IO_ERR_SEEN)
- && errno != EAGAIN))
+ if (count == 0 || ((fp->_flags & _IO_ERR_SEEN) && errno != EAGAIN))
result = NULL;
else
{
buf[count] = '\0';
result = buf;
}
- fp->_IO_file_flags |= old_error;
+ fp->_flags |= old_error;
_IO_release_lock (fp);
return result;
}
-#ifdef weak_alias
weak_alias (_IO_fgets, fgets)
# ifndef _IO_MTSAFE_IO
+strong_alias (_IO_fgets, __fgets_unlocked)
+libc_hidden_def (__fgets_unlocked)
weak_alias (_IO_fgets, fgets_unlocked)
libc_hidden_weak (fgets_unlocked)
# endif
-#endif