[Pkg-wmaker-commits] [wmix] 39/44: Better handling of configuration defaults for the new settings

[Doug Torrance]

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dtorrance-guest pushed a commit to branch upstream
in repository wmix.

commit a47e89e1ce3416e9b3d994bdd610e09566daf644
Author: Johannes Holmberg <johannes at update.uu.se>
Date:   Wed Sep 16 21:19:46 2015 -0400

    Better handling of configuration defaults for the new settings
---
 config.c         | 36 +++++++++++++++++++++++-------------
 include/config.h |  3 +++
 wmix.c           |  1 +
 3 files changed, 27 insertions(+), 13 deletions(-)

diff --git a/config.c b/config.c
index 8c9490d..8fdb293 100644
--- a/config.c
+++ b/config.c
@@ -76,7 +76,7 @@ void config_init(void)
 	config.scrollstep = 0.03;
 	config.osd = 1;
 	config.osd_color = (char *) default_osd_color;
-	config.osd_monitor_number = 0;
+	config.osd_monitor_number = -1;
 	config.osd_monitor_name = NULL;
 }
 
@@ -111,14 +111,13 @@ void config_release(void)
 	}
 }
 
-void parse_monitor_value(char *value)
+bool parse_monitor_value(char *value)
 {
 	char *end;
 	long mon = strtol(value, &end, 10);
 	if (end == value + strlen(value)) {
 		if ((mon > INT_MAX) || (mon < -1)) {
-			fprintf(stderr, "wmix:warning: unreasonable monitor number provided, falling back to default\n");
-			config.osd_monitor_number = 0;
+			return false;
 		} else {
 			if (mon == -1)
 				config.osd = 0;
@@ -128,6 +127,7 @@ void parse_monitor_value(char *value)
 	} else {
 		config.osd_monitor_name = strdup(value);
 	}
+	return true;
 }
 
 /*
@@ -203,7 +203,8 @@ void parse_cli_options(int argc, char **argv)
 			break;
 
 		case 'o':
-			parse_monitor_value(optarg);
+			if (!parse_monitor_value(optarg))
+				fprintf(stderr, "wmix:warning: unreasonable monitor number provided on command line, ignoring\n");
 			break;
 
 		case 'v':
@@ -216,13 +217,6 @@ void parse_cli_options(int argc, char **argv)
 	}
 	config.exclude_channel[count_exclude] = NULL;
 
-	if (!config.mixer_device) {
-		if (config.api == 0)
-			config.mixer_device = (char *)default_card_name;
-		else if (config.api == 1)
-			config.mixer_device = (char *)default_mixer_device;
-	}
-
 	if (optind < argc) {
 		fprintf(stderr, "wmix:error: argument '%s' not understood\n", argv[optind]);
 		error_found = true;
@@ -361,7 +355,10 @@ void config_read(void)
 			config.osd_color = strdup(value);
 
 		} else if (strcmp(keyword, "osdmonitor") == 0) {
-			parse_monitor_value(value);
+			if (!config.osd_monitor_name &&
+			    config.osd_monitor_number == -1 &&
+			    !parse_monitor_value(value))
+				fprintf(stderr, "wmix:warning: unreasonable monitor number in config, ignoring\n");
 
 		} else if (strcmp(keyword, "scrolltext") == 0) {
 			config.scrolltext = atoi(value);
@@ -393,3 +390,16 @@ void config_read(void)
 	}
 	fclose(fp);
 }
+
+void config_set_defaults()
+{
+	if (!config.mixer_device) {
+		if (config.api == 0)
+			config.mixer_device = (char *)default_card_name;
+		else if (config.api == 1)
+			config.mixer_device = (char *)default_mixer_device;
+	}
+
+	if (!config.osd_monitor_name && config.osd_monitor_number == -1)
+		config.osd_monitor_number = 0;
+}
diff --git a/include/config.h b/include/config.h
index 9d73668..7570fcd 100644
--- a/include/config.h
+++ b/include/config.h
@@ -64,4 +64,7 @@ void parse_cli_options(int argc, char **argv);
 /* Read configuration from file */
 void config_read(void);
 
+/* Set some default values based on configuration choices */
+void config_set_defaults();
+
 #endif	/* WMIX_CONFIG_H */
diff --git a/wmix.c b/wmix.c
index c0ef6ba..a2020c3 100644
--- a/wmix.c
+++ b/wmix.c
@@ -71,6 +71,7 @@ int main(int argc, char **argv)
     config_init();
     parse_cli_options(argc, argv);
     config_read();
+    config_set_defaults();
     choose_api(config.api);
 
     mixer_init(config.mixer_device, config.verbose, (const char **)config.exclude_channel);

-- 
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