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      1 /* strerror-override.h --- POSIX compatible system error routine
      2 
      3    Copyright (C) 2010-2012 Free Software Foundation, Inc.
      4 
      5    This program is free software: you can redistribute it and/or modify
      6    it under the terms of the GNU General Public License as published by
      7    the Free Software Foundation; either version 3 of the License, or
      8    (at your option) any later version.
      9 
     10    This program 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 General Public License for more details.
     14 
     15    You should have received a copy of the GNU General Public License
     16    along with this program.  If not, see <http://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);
     52 # else
     53 #  define strerror_override(ignored) NULL
     54 # endif
     55 
     56 #endif /* _GL_STRERROR_OVERRIDE_H */
     57