Mercurial > gnulib
view lib/findprog.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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/* Locating a program in PATH. Copyright (C) 2001-2003, 2009-2019 Free Software Foundation, Inc. Written by Bruno Haible <haible@clisp.cons.org>, 2001. 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 __cplusplus extern "C" { #endif /* Look up a program in the PATH. Attempt to determine the pathname that would be called by execlp/execvp of PROGNAME. If successful, return a pathname containing a slash (either absolute or relative to the current directory). Otherwise, return PROGNAME unmodified. Because of the latter case, callers should use execlp/execvp, not execl/execv on the returned pathname. The returned string is freshly malloc()ed if it is != PROGNAME. */ extern const char *find_in_path (const char *progname); #ifdef __cplusplus } #endif