34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
/*
|
|
* Copyright (c) 2011, 2012, 2013, 2014, 2015 Jonas 'Sortie' Termansen.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
* stdio_ext/__freading.c
|
|
* Returns whether the last operation was a read or FILE is read only.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdio_ext.h>
|
|
|
|
int __freading(FILE* fp)
|
|
{
|
|
int result = 0;
|
|
flockfile(fp);
|
|
if ( fp->flags & _FILE_LAST_READ )
|
|
result = 1;
|
|
else if ( (fp->flags & _FILE_READABLE) && !(fp->flags & _FILE_WRITABLE) )
|
|
result = 1;
|
|
funlockfile(fp);
|
|
return result;
|
|
}
|