Mercurial > gnulib
view lib/argp-pvh.c @ 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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/* Default definition for ARGP_PROGRAM_VERSION_HOOK. Copyright (C) 1996-2019 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader <miles@gnu.ai.mit.edu>. 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/>. */ #ifdef HAVE_CONFIG_H # include <config.h> #endif #include "argp.h" /* If set by the user program to a non-zero value, then a default option --version is added (unless the ARGP_NO_HELP flag is used), which calls this function with a stream to print the version to and a pointer to the current parsing state, and then exits (unless the ARGP_NO_EXIT flag is used). This variable takes precedent over ARGP_PROGRAM_VERSION. */ void (*argp_program_version_hook) (FILE *stream, struct argp_state *state) = NULL;