text: /* strerror-override.h --- POSIX compatible system error routine
  
     Copyright (C) 2010-2020 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  #ifndef _GL_STRERROR_OVERRIDE_H
  # define _GL_STRERROR_OVERRIDE_H
  
  # include <errno.h>
  # include <stddef.h>
  
  /* Reasonable buffer size that should never trigger ERANGE; if this
     proves too small, we intentionally abort(), to remind us to fix
     this value.  */
  # define STACKBUF_LEN 256
  
  /* If ERRNUM maps to an errno value defined by gnulib, return a string
     describing the error.  Otherwise return NULL.  */
  # if REPLACE_STRERROR_0 \
       || GNULIB_defined_ESOCK \
       || GNULIB_defined_ESTREAMS \
       || GNULIB_defined_EWINSOCK \
       || GNULIB_defined_ENOMSG \
       || GNULIB_defined_EIDRM \
       || GNULIB_defined_ENOLINK \
       || GNULIB_defined_EPROTO \
       || GNULIB_defined_EMULTIHOP \
       || GNULIB_defined_EBADMSG \
       || GNULIB_defined_EOVERFLOW \
       || GNULIB_defined_ENOTSUP \
       || GNULIB_defined_ENETRESET \
       || GNULIB_defined_ECONNABORTED \
       || GNULIB_defined_ESTALE \
       || GNULIB_defined_EDQUOT \
       || GNULIB_defined_ECANCELED \
       || GNULIB_defined_EOWNERDEAD \
       || GNULIB_defined_ENOTRECOVERABLE \
       || GNULIB_defined_EILSEQ
  extern const char *strerror_override (int errnum) _GL_ATTRIBUTE_CONST;
  # else
  #  define strerror_override(ignored) NULL
  # endif
  
  #endif /* _GL_STRERROR_OVERRIDE_H */
  