libconfig写配置文件

#include

/* This example constructs a new configuration in memory and writes it to * 'newconfig.cfg'.

int main(int argc char **argv)

{

static const char *output_file = "newconfig.cfg";

config_t cfg;

config_setting_t *root *setting *group *array;

int i;

config_init(&cfg);

root = config_root_setting(&cfg);

/* Add some settings to the configuration. */

group = config_setting_add(root "address" CONFIG_TYPE_GROUP); setting = config_setting_add(group "street" CONFIG_TYPE_STRING); config_setting_set_string(setting "1 Woz Way");

setting = config_setting_add(group "city" CONFIG_TYPE_STRING); config_setting_set_string(setting "San Jose");

setting = config_setting_add(group "state" CONFIG_TYPE_STRING); config_setting_set_string(setting "CA");

setting = config_setting_add(group "zip" CONFIG_TYPE_INT);

config_setting_set_int(setting 95110);

array = config_setting_add(root "numbers" CONFIG_TYPE_ARRAY); for(i = 0; i < 10; ++i)

{

setting = config_setting_add(array NULL CONFIG_TYPE_INT); config_setting_set_int(setting 10 * i);

}

/* Write out the new configuration. */

if(! config_write_file(&cfg output_file))

{

fprintf(stderr "Error while writing file.\n");

config_destroy(&cfg);

return(EXIT_FAILURE);

}

fprintf(stderr "New configuration successfully written to: %s\n"

output_file);

config_destroy(&cfg);

return(EXIT_SUCCESS);

}