I'vm试图写的应用程序,将与libconfig工作。所以,我的代码的下一个部分:libconfig:语法错误在@include指令
#include <stdio.h>
#include <stdlib.h>
#include <libconfig.h>
int main(int argc, char **argv)
{
if(argc > 1)
{
char *config_file_path = argv[1];
config_t cfg;
config_init(&cfg);
printf("loading config: %s...\n", config_file_path);
if (!config_read_file(&cfg, config_file_path))
{
fprintf(stderr, "%s:%d - %s\n", config_file_path,
config_error_line(&cfg), config_error_text(&cfg));
config_destroy(&cfg);
exit(EXIT_FAILURE);
}
long int port_number;
config_lookup_int(&cfg, "server_app.port", &port_number);
printf("port: %ld\n", port_number);
config_destroy(&cfg);
}
else
{
fprintf(stderr, "Wrong number of arguments. Usage: %s <cfg_file>\n", argv[0]);
exit(EXIT_FAILURE);
}
return EXIT_SUCCESS;
}
和配置文件吧:
SERVER.CFG
server_app:
{
port = 9034;
mail_queue_dir = "mail_queue";
@include "quote.cfg"
logs:
{
error_log = "logs/error.log";
};
connection_address = "127.0.0.1";
max_worker_number = 10;
number_of_pending_connections = 10;
};
quote.cfg
# file: quote.cfg
quote = "dsf";
编译后我尝试在params中用server.cfg运行main(),但我总是在@ include的行上得到“语法错误”。有任何想法吗?
您如何编译C++的例子吗?我得到一个错误:“未定义的参考'libconfig :: Config :: Config()'” – andrew