X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=audioc.c;h=551c34e63b80d86c05be4103a02c9209c5fd0051;hp=216afa2f11aeebc132d23ad2a96664daf9e384cd;hb=ae0e4594c6a0312c5b4b4c0bde86f9c12253d11b;hpb=a7d844e5f23805a7521cfd8bf573dd822351c895

diff --git a/audioc.c b/audioc.c
index 216afa2f..551c34e6 100644
--- a/audioc.c
+++ b/audioc.c
@@ -27,12 +27,12 @@
 
 INIT_AUDIOC_ERRLISTS;
 
+/** the gengetopt structure containing command line args */
 struct audioc_args_info conf;
-char *tmpfifo;
 
 INIT_STDERR_LOGGING(conf.loglevel_arg);
 
-static char *concat_args(const int argc, char * const *argv)
+static char *concat_args(unsigned argc, char * const *argv)
 {
 	int i; char *buf = NULL;
 	for (i = 0; i < argc; i++) {
@@ -59,13 +59,28 @@ static char *configfile_exists(void)
 	return NULL;
 }
 
+/**
+ * the client program to connect to para_audiod
+ *
+ * \param argc usual argument count
+ * \param argv usual argument vector
+ *
+ * It creates a temporary local socket in order to communicate with para_audiod.
+ * Authentication consists in sending a ucred buffer that contains the user id.
+ *
+ * Any output received through the local socket is sent to stdout.
+ *
+ * \return EXIT_SUCCESS or EXIT_FAILURE
+ *
+ * \sa send_cred_buffer(), para_audioc(1), para_audiod(1).
+ */
 int main(int argc, char *argv[])
 {
 	struct sockaddr_un unix_addr;
-	int ret = -E_AUDIOC_SYNTAX, fd, loaded = 0;
+	int ret = -E_AUDIOC_SYNTAX, fd;
 	char *cf, *socket_name, *randname = para_tmpname(), *tmpsocket_name = NULL,
 		*buf = NULL, *hn = para_hostname(), *args, *home = para_homedir();
-
+	size_t bufsize = conf.bufsize_arg, loaded = 0;
 
 	if (audioc_cmdline_parser(argc, argv, &conf))
 		goto out;
@@ -80,7 +95,7 @@ int main(int argc, char *argv[])
 	args = conf.inputs_num?
 		concat_args(conf.inputs_num, conf.inputs) :
 		para_strdup("stat");
-	buf = para_malloc(conf.bufsize_arg);
+	buf = para_malloc(bufsize);
 	if (conf.socket_given)
 		socket_name = para_strdup(conf.socket_arg);
 	else
@@ -113,7 +128,7 @@ int main(int argc, char *argv[])
 		fd_set rfd, wfd;
 		FD_ZERO(&rfd);
 		FD_ZERO(&wfd);
-		if (loaded < conf.bufsize_arg)
+		if (loaded < bufsize)
 			para_fd_set(fd, &rfd, &max_fileno);
 		if (loaded > 0) {
 			para_fd_set(STDOUT_FILENO, &wfd, &max_fileno);
@@ -125,9 +140,9 @@ int main(int argc, char *argv[])
 		ret = para_select(max_fileno + 1, &rfd, &wfd, NULL);
 		if (ret < 0)
 			goto out;
-		if (loaded < conf.bufsize_arg && FD_ISSET(fd, &rfd)) {
+		if (loaded < bufsize && FD_ISSET(fd, &rfd)) {
 			len = recv_bin_buffer(fd, buf + loaded,
-				conf.bufsize_arg - loaded);
+				bufsize - loaded);
 			if (len <= 0) {
 				ret = len < 0? -E_AUDIOC_READ : 0;
 				goto out;