Mercurial > gnulib
view lib/strerror-override.h @ 40189:3ba41edecde6
progreloc: Speed up executable lookup on various platforms.
* lib/progreloc.c: Include <errno.h>.
(safe_read, full_read): New functions.
(find_executable): On GNU/kFreeBSD, FreeBSD, DragonFly, NetBSD, Solaris,
prefer the information from the /proc file system to a PATH search.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Tue, 19 Feb 2019 21:42:54 +0100 |
parents | b06060465f09 |
children |
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/* strerror-override.h --- POSIX compatible system error routine Copyright (C) 2010-2019 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 */