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authorJonathan McCrohan <jmccrohan@gmail.com>2011-12-01 23:47:41 +0000
committerJonathan McCrohan <jmccrohan@gmail.com>2011-12-01 23:47:41 +0000
commit1eaceca55c7e62892fd28bfbb5fc03240a48cee3 (patch)
tree7243fcd09c57e06e72b15f0044fd2c77babd7843 /examples/c/example2.c
parentd4b5ddf4bcacd692011f5a597025c38a1262d6ca (diff)
parent429e46051dba814e7d6c74368eb1bba550222cbe (diff)
downloadlibconfig-1eaceca55c7e62892fd28bfbb5fc03240a48cee3.tar.gz
Merge commit 'upstream/1.4.8'
Conflicts: debian/changelog debian/control debian/libconfig++9-dev.install debian/libconfig8.install debian/libconfig9-dev.install debian/rules
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diff --git a/examples/c/example2.c b/examples/c/example2.c
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+/* ----------------------------------------------------------------------------
+ libconfig - A library for processing structured configuration files
+ Copyright (C) 2005-2010 Mark A Lindner
+
+ This file is part of libconfig.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License
+ as published by the Free Software Foundation; either version 2.1 of
+ the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this library; if not, see
+ <http://www.gnu.org/licenses/>.
+ ----------------------------------------------------------------------------
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <libconfig.h>
+
+/* This example reads the configuration file 'example.cfg', adds a new
+ * movie record to the movies list, and writes the updated configuration to
+ * 'updated.cfg'.
+ */
+
+int main(int argc, char **argv)
+{
+ static const char *output_file = "updated.cfg";
+ config_t cfg;
+ config_setting_t *root, *setting, *movie;
+
+ config_init(&cfg);
+
+ /* Read the file. If there is an error, report it and exit. */
+ if(! config_read_file(&cfg, "example.cfg"))
+ {
+ fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg),
+ config_error_line(&cfg), config_error_text(&cfg));
+ config_destroy(&cfg);
+ return(EXIT_FAILURE);
+ }
+
+ /* Find the 'movies' setting. Add intermediate settings if they don't yet
+ * exist.
+ */
+ root = config_root_setting(&cfg);
+
+ setting = config_setting_get_member(root, "inventory");
+ if(!setting)
+ setting = config_setting_add(root, "inventory", CONFIG_TYPE_GROUP);
+
+ setting = config_setting_get_member(setting, "movies");
+ if(!setting)
+ setting = config_setting_add(setting, "movies", CONFIG_TYPE_LIST);
+
+ /* Create the new movie entry. */
+ movie = config_setting_add(setting, NULL, CONFIG_TYPE_GROUP);
+
+ setting = config_setting_add(movie, "title", CONFIG_TYPE_STRING);
+ config_setting_set_string(setting, "Buckaroo Banzai");
+
+ setting = config_setting_add(movie, "media", CONFIG_TYPE_STRING);
+ config_setting_set_string(setting, "DVD");
+
+ setting = config_setting_add(movie, "price", CONFIG_TYPE_FLOAT);
+ config_setting_set_float(setting, 12.99);
+
+ setting = config_setting_add(movie, "qty", CONFIG_TYPE_INT);
+ config_setting_set_float(setting, 20);
+
+ /* Write out the updated configuration. */
+ if(! config_write_file(&cfg, output_file))
+ {
+ fprintf(stderr, "Error while writing file.\n");
+ config_destroy(&cfg);
+ return(EXIT_FAILURE);
+ }
+
+ fprintf(stderr, "Updated configuration successfully written to: %s\n",
+ output_file);
+
+ config_destroy(&cfg);
+ return(EXIT_SUCCESS);
+}
+
+/* eof */