Configureable fifo path

See #149.

5 files changed, 18 insertions, 6 deletions

diff --git a/contrib/config-example b/contrib/config-example
index 0a52dd6..bcc1b47 100644
--- a/contrib/config-example
+++ b/contrib/config-example
@@ -37,6 +37,7 @@
 #audio_format = mp3
 #autostart_station = 123456
 #event_command = /home/user/.config/pianobar/eventcmd
+#fifo = /tmp/pianobar
 #sort = quickmix_10_name_az
 #love_icon = [+]
 #ban_icon = [-]
diff --git a/contrib/pianobar.1 b/contrib/pianobar.1
index 4cbc17a..eae062f 100644
--- a/contrib/pianobar.1
+++ b/contrib/pianobar.1
@@ -177,6 +177,12 @@ File that is executed when event occurs. See section
 .B EVENTCMD
 
 .TP
+.B fifo = /home/user/.config/pianobar/ctl
+Location of control fifo. Defaults to $XDG_CONFIG_HOME/pianobar/ctl (which is
+usually the value above). See section
+.B REMOTE CONTROL
+
+.TP
 .B format_nowplaying_song = \[dq]%t\[dq] by \[dq]%a\[dq] on \[dq]%l\[dq]%r%@%s
 Now playing song message format. Available format characters are:
 
@@ -267,8 +273,8 @@ can be controlled through a fifo. You have to create it yourself by executing
 
  mkfifo ~/.config/pianobar/ctl
 
-Adjust the path if you set up a $XDG_CONFIG_HOME. Afterwards you can write
-commands directly into the fifo. Example (next song):
+Adjust the path if you set up a $XDG_CONFIG_HOME or changed the fifo setting.
+Afterwards you can write commands directly into the fifo. Example (next song):
 
  echo -n 'n' > ~/.config/pianobar/ctl
 
diff --git a/src/main.c b/src/main.c
index ece6909..c103bdd 100644
--- a/src/main.c
+++ b/src/main.c
@@ -326,7 +326,6 @@ static void BarMainLoop (BarApp_t *app) {
 
 int main (int argc, char **argv) {
 	static BarApp_t app;
-	char ctlPath[PATH_MAX];
 	/* terminal attributes _before_ we started messing around with ~ECHO */
 	struct termios termOrig;
 
@@ -363,14 +362,13 @@ int main (int argc, char **argv) {
 	app.input.fds[0] = STDIN_FILENO;
 	FD_SET(app.input.fds[0], &app.input.set);
 
-	BarGetXdgConfigDir (PACKAGE "/ctl", ctlPath, sizeof (ctlPath));
 	/* open fifo read/write so it won't EOF if nobody writes to it */
 	assert (sizeof (app.input.fds) / sizeof (*app.input.fds) >= 2);
-	app.input.fds[1] = open (ctlPath, O_RDWR);
+	app.input.fds[1] = open (app.settings.fifo, O_RDWR);
 	if (app.input.fds[1] != -1) {
 		FD_SET(app.input.fds[1], &app.input.set);
 		BarUiMsg (&app.settings, MSG_INFO, "Control fifo at %s opened\n",
-				ctlPath);
+				app.settings.fifo);
 	}
 	app.input.maxfd = app.input.fds[0] > app.input.fds[1] ? app.input.fds[0] :
 			app.input.fds[1];
diff --git a/src/settings.c b/src/settings.c
index ea17985..49d75e6 100644
--- a/src/settings.c
+++ b/src/settings.c
@@ -91,6 +91,7 @@ void BarSettingsDestroy (BarSettings_t *settings) {
 	free (settings->atIcon);
 	free (settings->npSongFormat);
 	free (settings->npStationFormat);
+	free (settings->fifo);
 	for (size_t i = 0; i < MSG_COUNT; i++) {
 		free (settings->msgFormat[i].prefix);
 		free (settings->msgFormat[i].postfix);
@@ -126,6 +127,8 @@ void BarSettingsRead (BarSettings_t *settings) {
 	settings->atIcon = strdup (" @ ");
 	settings->npSongFormat = strdup ("\"%t\" by \"%a\" on \"%l\"%r%@%s");
 	settings->npStationFormat = strdup ("Station \"%n\" (%i)");
+	settings->fifo = malloc (PATH_MAX * sizeof (*settings->fifo));
+	BarGetXdgConfigDir (PACKAGE "/ctl", settings->fifo, PATH_MAX);
 
 	settings->msgFormat[MSG_NONE].prefix = NULL;
 	settings->msgFormat[MSG_NONE].postfix = NULL;
@@ -228,6 +231,9 @@ void BarSettingsRead (BarSettings_t *settings) {
 		} else if (streq ("format_nowplaying_station", key)) {
 			free (settings->npStationFormat);
 			settings->npStationFormat = strdup (val);
+		} else if (streq ("fifo", key)) {
+			free (settings->fifo);
+			settings->fifo = strdup (val);
 		} else if (strncmp (formatMsgPrefix, key,
 				strlen (formatMsgPrefix)) == 0) {
 			static const char *mapping[] = {"none", "info", "nowplaying",
diff --git a/src/settings.h b/src/settings.h
index af616a2..ca5db60 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -94,6 +94,7 @@ typedef struct {
 	char *atIcon;
 	char *npSongFormat;
 	char *npStationFormat;
+	char *fifo;
 	BarMsgFormatStr_t msgFormat[MSG_COUNT];
 } BarSettings_t;