Add --log-file

adsbus/opts.c

@@ -17,7 +17,7 @@
 
 #include "opts.h"
 
-static char *opts_split(char **arg, char delim) {
+static char *opts_split(const char **arg, char delim) {
 	char *split = strchr(*arg, delim);
 	if (!split) {
 		return NULL;
@@ -27,7 +27,7 @@ static char *opts_split(char **arg, char delim) {
 	return ret;
 }
 
-static bool opts_add_listen(char *host_port, struct flow *flow, void *passthrough) {
+static bool opts_add_listen(const char *host_port, struct flow *flow, void *passthrough) {
 	char *host = opts_split(&host_port, '/');
 	if (host) {
 		incoming_new(host, host_port, flow, passthrough);
@@ -38,7 +38,7 @@ static bool opts_add_listen(char *host_port, struct flow *flow, void *passthroug
 	return true;
 }
 
-static bool opts_add_connect(char *host_port, struct flow *flow, void *passthrough) {
+static bool opts_add_connect(const char *host_port, struct flow *flow, void *passthrough) {
 	char *host = opts_split(&host_port, '/');
 	if (!host) {
 		return false;
@@ -49,22 +49,22 @@ static bool opts_add_connect(char *host_port, struct flow *flow, void *passthrou
 	return true;
 }
 
-static bool opts_add_file_write_int(char *path, struct flow *flow, void *passthrough) {
+static bool opts_add_file_write_int(const char *path, struct flow *flow, void *passthrough) {
 	file_write_new(path, flow, passthrough);
 	return true;
 }
 
-static bool opts_add_file_append_int(char *path, struct flow *flow, void *passthrough) {
+static bool opts_add_file_append_int(const char *path, struct flow *flow, void *passthrough) {
 	file_append_new(path, flow, passthrough);
 	return true;
 }
 
-static bool opts_add_exec(char *cmd, struct flow *flow, void *passthrough) {
+static bool opts_add_exec(const char *cmd, struct flow *flow, void *passthrough) {
 	exec_new(cmd, flow, passthrough);
 	return true;
 }
 
-static struct serializer *opts_get_serializer(char **arg) {
+static struct serializer *opts_get_serializer(const char **arg) {
 	char *format = opts_split(arg, '=');
 	if (!format) {
 		return NULL;
@@ -79,7 +79,7 @@ static struct serializer *opts_get_serializer(char **arg) {
 	return serializer;
 }
 
-static bool opts_add_send(bool (*next)(char *, struct flow *, void *), struct flow *flow, char *arg) {
+static bool opts_add_send(bool (*next)(const char *, struct flow *, void *), struct flow *flow, const char *arg) {
 	struct serializer *serializer = opts_get_serializer(&arg);
 	if (!serializer) {
 		return false;
@@ -87,71 +87,71 @@ static bool opts_add_send(bool (*next)(char *, struct flow *, void *), struct fl
 	return next(arg, flow, serializer);
 }
 
-bool opts_add_connect_receive(char *arg) {
+bool opts_add_connect_receive(const char *arg) {
 	return opts_add_connect(arg, receive_flow, NULL);
 }
 
-bool opts_add_connect_send(char *arg) {
+bool opts_add_connect_send(const char *arg) {
 	return opts_add_send(opts_add_connect, send_flow, arg);
 }
 
-bool opts_add_connect_send_receive(char *arg) {
+bool opts_add_connect_send_receive(const char *arg) {
 	return opts_add_send(opts_add_connect, send_receive_flow, arg);
 }
 
-bool opts_add_listen_receive(char *arg) {
+bool opts_add_listen_receive(const char *arg) {
 	return opts_add_listen(arg, receive_flow, NULL);
 }
 
-bool opts_add_listen_send(char *arg) {
+bool opts_add_listen_send(const char *arg) {
 	return opts_add_send(opts_add_listen, send_flow, arg);
 }
 
-bool opts_add_listen_send_receive(char *arg) {
+bool opts_add_listen_send_receive(const char *arg) {
 	return opts_add_send(opts_add_listen, send_receive_flow, arg);
 }
 
-bool opts_add_file_read(char *arg) {
+bool opts_add_file_read(const char *arg) {
 	file_read_new(arg, receive_flow, NULL);
 	return true;
 }
 
-bool opts_add_file_write(char *arg) {
+bool opts_add_file_write(const char *arg) {
 	return opts_add_send(opts_add_file_write_int, send_flow, arg);
 }
 
-bool opts_add_file_write_read(char *arg) {
+bool opts_add_file_write_read(const char *arg) {
 	return opts_add_send(opts_add_file_write_int, send_receive_flow, arg);
 }
 
-bool opts_add_file_append(char *arg) {
+bool opts_add_file_append(const char *arg) {
 	return opts_add_send(opts_add_file_append_int, send_flow, arg);
 }
 
-bool opts_add_file_append_read(char *arg) {
+bool opts_add_file_append_read(const char *arg) {
 	return opts_add_send(opts_add_file_append_int, send_receive_flow, arg);
 }
 
-bool opts_add_exec_receive(char *arg) {
+bool opts_add_exec_receive(const char *arg) {
 	exec_new(arg, receive_flow, NULL);
 	return true;
 }
 
-bool opts_add_exec_send(char *arg) {
+bool opts_add_exec_send(const char *arg) {
 	return opts_add_send(opts_add_exec, send_flow, arg);
 }
 
-bool opts_add_exec_send_receive(char *arg) {
+bool opts_add_exec_send_receive(const char *arg) {
 	return opts_add_send(opts_add_exec, send_receive_flow, arg);
 }
 
-bool opts_add_stdin(char __attribute__((unused)) *arg) {
+bool opts_add_stdin(const char __attribute__((unused)) *arg) {
 	int fd = fcntl(STDIN_FILENO, F_DUPFD_CLOEXEC, 0);
 	assert(fd >= 0);
 	return flow_new_send_hello(fd, receive_flow, NULL, NULL);
 }
 
-bool opts_add_stdout(char *arg) {
+bool opts_add_stdout(const char *arg) {
 	struct serializer *serializer = send_get_serializer(arg);
 	if (!serializer) {
 		return false;