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author | Sam Thursfield <sam.thursfield@codethink.co.uk> | 2012-12-21 14:22:22 +0000 |
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committer | Sam Thursfield <Sam Thursfield> | 2013-01-03 11:32:53 +0000 |
commit | c2693d6d08db26825688ddca5de6eb8a4b7cde4a (patch) | |
tree | 10611dcf065b1893421b83a9de53cf6feb83a048 /lib/spawn_faction_init.c | |
parent | 861325a84f231a2a2da307b53ef5ff527d67e876 (diff) | |
download | m4-c2693d6d08db26825688ddca5de6eb8a4b7cde4a.tar.gz |
Commit files from tarball
Diffstat (limited to 'lib/spawn_faction_init.c')
-rw-r--r-- | lib/spawn_faction_init.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/lib/spawn_faction_init.c b/lib/spawn_faction_init.c new file mode 100644 index 00000000..f6ef0c95 --- /dev/null +++ b/lib/spawn_faction_init.c @@ -0,0 +1,56 @@ +/* Copyright (C) 2000, 2009-2011 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 <http://www.gnu.org/licenses/>. */ + +#include <config.h> + +/* Specification. */ +#include <spawn.h> + +#include <errno.h> +#include <stdlib.h> +#include <string.h> + +#include "spawn_int.h" + + +/* Function used to increase the size of the allocated array. This + function is called from the `add'-functions. */ +int +__posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *file_actions) +{ + int newalloc = file_actions->_allocated + 8; + void *newmem = realloc (file_actions->_actions, + newalloc * sizeof (struct __spawn_action)); + + if (newmem == NULL) + /* Not enough memory. */ + return ENOMEM; + + file_actions->_actions = (struct __spawn_action *) newmem; + file_actions->_allocated = newalloc; + + return 0; +} + + +/* Initialize data structure for file attribute for `spawn' call. */ +int +posix_spawn_file_actions_init (posix_spawn_file_actions_t *file_actions) +{ + /* Simply clear all the elements. */ + memset (file_actions, '\0', sizeof (*file_actions)); + return 0; +} |