support/xstdio.h

   1 /* Error-checking wrappers for stdio functions.
   2    Copyright (C) 2016-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef SUPPORT_XSTDIO_H
  20 #define SUPPORT_XSTDIO_H
  21
  22 #include <stdio.h>
  23 #include <sys/cdefs.h>
  24
  25 __BEGIN_DECLS
  26
  27 FILE *xfopen (const char *path, const char *mode);
  28 void xfclose (FILE *);
  29 FILE *xfreopen (const char *path, const char *mode, FILE *stream);
  30
  31 /* Read a line from FP, using getline.  *BUFFER must be NULL, or a
  32    heap-allocated pointer of *LENGTH bytes.  Return the number of
  33    bytes in the line if a line was read, or 0 on EOF.  */
  34 size_t xgetline (char **lineptr, size_t *n, FILE *stream);
  35
  36 __END_DECLS
  37
  38 #endif /* SUPPORT_XSTDIO_H */