Mercurial > gnulib
view lib/vasprintf.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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/* Formatted output to strings. Copyright (C) 1999, 2002, 2006-2019 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 2, 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/>. */ #include <config.h> /* Specification. */ #ifdef IN_LIBASPRINTF # include "vasprintf.h" #else # include <stdio.h> #endif #include <errno.h> #include <limits.h> #include <stdlib.h> #include "vasnprintf.h" int vasprintf (char **resultp, const char *format, va_list args) { size_t length; char *result = vasnprintf (NULL, &length, format, args); if (result == NULL) return -1; if (length > INT_MAX) { free (result); errno = EOVERFLOW; return -1; } *resultp = result; /* Return the number of resulting bytes, excluding the trailing NUL. */ return length; }