1  /* strerror-override.h --- POSIX compatible system error routine
       2  
       3     Copyright (C) 2010-2021 Free Software Foundation, Inc.
       4  
       5     This file is free software: you can redistribute it and/or modify
       6     it under the terms of the GNU Lesser General Public License as
       7     published by the Free Software Foundation; either version 2.1 of the
       8     License, or (at your option) any later version.
       9  
      10     This file 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
      13     GNU Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public License
      16     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      17  
      18  #ifndef _GL_STRERROR_OVERRIDE_H
      19  # define _GL_STRERROR_OVERRIDE_H
      20  
      21  # include <errno.h>
      22  # include <stddef.h>
      23  
      24  /* Reasonable buffer size that should never trigger ERANGE; if this
      25     proves too small, we intentionally abort(), to remind us to fix
      26     this value.  */
      27  # define STACKBUF_LEN 256
      28  
      29  /* If ERRNUM maps to an errno value defined by gnulib, return a string
      30     describing the error.  Otherwise return NULL.  */
      31  # if REPLACE_STRERROR_0 \
      32       || GNULIB_defined_ESOCK \
      33       || GNULIB_defined_ESTREAMS \
      34       || GNULIB_defined_EWINSOCK \
      35       || GNULIB_defined_ENOMSG \
      36       || GNULIB_defined_EIDRM \
      37       || GNULIB_defined_ENOLINK \
      38       || GNULIB_defined_EPROTO \
      39       || GNULIB_defined_EMULTIHOP \
      40       || GNULIB_defined_EBADMSG \
      41       || GNULIB_defined_EOVERFLOW \
      42       || GNULIB_defined_ENOTSUP \
      43       || GNULIB_defined_ENETRESET \
      44       || GNULIB_defined_ECONNABORTED \
      45       || GNULIB_defined_ESTALE \
      46       || GNULIB_defined_EDQUOT \
      47       || GNULIB_defined_ECANCELED \
      48       || GNULIB_defined_EOWNERDEAD \
      49       || GNULIB_defined_ENOTRECOVERABLE \
      50       || GNULIB_defined_EILSEQ
      51  extern const char *strerror_override (int errnum) _GL_ATTRIBUTE_CONST;
      52  # else
      53  #  define strerror_override(ignored) NULL
      54  #  define GNULIB_defined_strerror_override_macro 1
      55  # endif
      56  
      57  #endif /* _GL_STRERROR_OVERRIDE_H */