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Initial revision

    1: /* strerror-override.h --- POSIX compatible system error routine
    2: 
    3:    Copyright (C) 2010-2011 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_ETXTBSY \
   33:      || GNULIB_defined_ESOCK \
   34:      || GNULIB_defined_ENOMSG \
   35:      || GNULIB_defined_EIDRM \
   36:      || GNULIB_defined_ENOLINK \
   37:      || GNULIB_defined_EPROTO \
   38:      || GNULIB_defined_EMULTIHOP \
   39:      || GNULIB_defined_EBADMSG \
   40:      || GNULIB_defined_EOVERFLOW \
   41:      || GNULIB_defined_ENOTSUP \
   42:      || GNULIB_defined_ENETRESET \
   43:      || GNULIB_defined_ECONNABORTED \
   44:      || GNULIB_defined_ESTALE \
   45:      || GNULIB_defined_EDQUOT \
   46:      || GNULIB_defined_ECANCELED
   47: extern const char *strerror_override (int errnum);
   48: # else
   49: #  define strerror_override(ignored) NULL
   50: # endif
   51: 
   52: #endif /* _GL_STRERROR_OVERRIDE_H */