lib/fseterr.h

   1 /* Set the error indicator of a stream.
   2    Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
   3
   4    This file is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU Lesser General Public License as
   6    published by the Free Software Foundation; either version 2.1 of the
   7    License, or (at your option) any later version.
   8
   9    This file is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 #ifndef _FSETERR_H
  18 #define _FSETERR_H
  19
  20 /* This file uses HAVE___FSETERR.  */
  21 #if !_GL_CONFIG_H_INCLUDED
  22  #error "Please include config.h first."
  23 #endif
  24
  25 #include <stdio.h>
  26
  27 /* Set the error indicator of the stream FP.
  28    The "error indicator" is set when an I/O operation on the stream fails, and
  29    is cleared (together with the "end-of-file" indicator) by clearerr (FP).  */
  30
  31 #if HAVE___FSETERR /* musl libc */
  32
  33 # include <stdio_ext.h>
  34 # define fseterr(fp) __fseterr (fp)
  35
  36 #else
  37
  38 # ifdef __cplusplus
  39 extern "C" {
  40 # endif
  41
  42 extern void fseterr (FILE *fp);
  43
  44 # ifdef __cplusplus
  45 }
  46 # endif
  47
  48 #endif
  49
  50 #endif /* _FSETERR_H */