自学教程：C++ ACL_SAFE_STRNCPY函数代码示例

HTTP_HDR_REQ *http_hdr_req_clone(const HTTP_HDR_REQ* hdr_req){	HTTP_HDR_REQ *hh;	hh = http_hdr_req_new();	http_hdr_clone(&hdr_req->hdr, &hh->hdr);	hh->port = hdr_req->port;	ACL_SAFE_STRNCPY(hh->method, hdr_req->method, sizeof(hh->method));	ACL_SAFE_STRNCPY(hh->host, hdr_req->host, sizeof(hh->host));	acl_vstring_strcpy(hh->url_part, acl_vstring_str(hdr_req->url_part));	acl_vstring_strcpy(hh->url_path, acl_vstring_str(hdr_req->url_path));	acl_vstring_strcpy(hh->url_params, acl_vstring_str(hdr_req->url_params));	acl_vstring_strcpy(hh->file_path, acl_vstring_str(hdr_req->file_path));	if (hdr_req->params_table) {		hh->params_table = acl_htable_create(__http_hdr_max_request, 0);		acl_htable_walk(hdr_req->params_table, clone_table_entry,				(void*) hh->params_table);	}	if (hdr_req->cookies_table) {		hh->cookies_table = acl_htable_create(__http_hdr_max_cookies, 0);		acl_htable_walk(hdr_req->cookies_table, clone_table_entry,				(void*) hh->cookies_table);	}	return hh;}

static void dbconn_init(const char *addr, const char *name, const char *usr,	const char *pass, int dbpool_max, int dbping, int dbtimeout){	const char *myname = "dbconn_init";	ACL_DB_INFO db_info;	memset(&db_info, 0, sizeof(ACL_DB_INFO));	ACL_SAFE_STRNCPY(db_info.db_addr, addr, sizeof(db_info.db_addr));	ACL_SAFE_STRNCPY(db_info.db_name, name, sizeof(db_info.db_name));	ACL_SAFE_STRNCPY(db_info.db_user, usr, sizeof(db_info.db_user));	ACL_SAFE_STRNCPY(db_info.db_pass, pass, sizeof(db_info.db_pass));	db_info.db_max = dbpool_max;	db_info.ping_inter = dbping;	db_info.timeout_inter = dbtimeout;	db_info.auto_commit = 1;	//db_info.db_before_connect = db_before_connect;	//db_info.db_after_connect = db_after_connect;	__db_pool = acl_dbpool_create("mysql", &db_info);	if (__db_pool == NULL)		acl_msg_fatal("%s(%d): init db pool error", myname, __LINE__);}

static int xml_new_gid(ACL_VSTREAM *client, int keep_alive, ACL_XML_NODE *node){	acl_int64 gid;	char  buf[256], tag[64];	const char *ptr;	int   errnum = 0;#define	STR	acl_vstring_str	ACL_SAFE_STRNCPY(tag, "default:", sizeof(tag));	ptr = acl_xml_getElementAttrVal(node, "tag");	if (ptr && *ptr) {		ACL_SAFE_STRNCPY(tag, ptr, sizeof(tag));	}	gid = gid_next(var_cfg_gid_path, tag, var_cfg_gid_step, &errnum);	if (gid >= 0)		snprintf(buf, sizeof(buf),			"<respond status='ok' gid='%lld' tag='%s' />/r/n", gid, tag);	else		snprintf(buf, sizeof(buf),			"<respond status='error' gid='%lld' tag='%s'"			" err='%d' msg='%s' />/r/n",			gid, tag, errnum, gid_serror(errnum));	return (http_server_send_respond(client, 200, keep_alive,			buf, (int) strlen(buf)));}

bool server_socket::open(const char* addr){#ifndef ACL_WINDOWS	if (strchr(addr, '/') != NULL)	{		fd_ = acl_unix_listen(addr, backlog_, block_			? ACL_BLOCKING : ACL_NON_BLOCKING);		unix_sock_ = true;		ACL_SAFE_STRNCPY(addr_, addr, sizeof(addr_));	}	else#endif		fd_ = acl_inet_listen(addr, backlog_, block_			? ACL_BLOCKING : ACL_NON_BLOCKING);	if (fd_ == ACL_SOCKET_INVALID)	{		logger_error("listen %s error %s", addr, last_serror());		unix_sock_ = false;		ACL_SAFE_STRNCPY(addr_, addr, sizeof(addr_));		return false;	}	if (unix_sock_)		return true;	// 之所以再用 getsockname 重新获得一些监听地址，主要是为了应对当输入的 addr 	// 为 ip:0 的情形，即当给定的地址中的端口为 0 时要求操作系统自动分配一个端口号	if (acl_getsockname(fd_, addr_, sizeof(addr_)) < 0)	{		logger_error("getsockname error: %s", acl_last_serror());		ACL_SAFE_STRNCPY(addr_, addr, sizeof(addr_));	}	return true;}

int main(int argc, char *argv[]){	int   ch;	char  url[256], dump[256];	acl_init();  /* 
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