Updates how config options are set on command line

src/config.c

@@ -63,3 +63,21 @@ char* getDefaultUserConfigLoc(){
 	return strdup(configFile);
 }
 
+void setConfig(Config *config, char option[], char value[]){
+	if ( strcmp( option, "database" ) == 0 ){
+		config->database = value;
+	} else if ( strcmp( option, "localConfig" ) == 0 ){
+		config->localConfig = value;
+	} else if ( strcmp( option, "userConfig" ) == 0 ){
+		config->userConfig = value;
+	} else if ( strcmp( option, "port" ) == 0 ){
+		config->port = atoi(value);
+	}
+}
+
+void printConfig(Config *config){
+	printf("Database: %s\n", config->database);
+	printf("localConfig: %s\n", config->localConfig);
+	printf("userConfig: %s\n", config->userConfig);
+	printf("port: %i\n", config->port);
+}

src/config.h

@@ -20,5 +20,7 @@ static char* resolveTilde(const char *path);
 Config* configDefaults();
 char* getConfigDir();
 char* getDefaultUserConfigLoc();
+void setConfig(Config *config, char option[], char value[]);
+void printConfig(Config *config);
 
 #endif /* ifndef CONFIG_H */

src/main.c

@@ -22,12 +22,10 @@ unsigned int validatePortNumber(unsigned int portNumber){
 }
 
 void printHelp(){
-        printf("Usage: %s [options]\n", PACKAGE_NAME);
-        printf( "Options are:\n" );
-        printf( "\t --database DATABASE   A sqlite3 database file (Defatult: %s)\n", DEFAULT_DATABASE );
-        printf( "\t --config CONFIG       A config file (Default: %s)\n", DEFAULT_CONFIG );
-        printf( "\t --port PORT           The listening port (Default: %i)\n", DEFAULT_PORT );
-        printf( "\t --help                Display version information.\n");
+	printf("Usage: %s [options]\n", PACKAGE_NAME);
+	printf( "Options are:\n" );
+	printf( "\t --config OPTION VALUE      Sets config option OPTION to VALUE\n" );
+	printf( "\t --print-config             Prints current config\n" );
 }
 
 int main(int argc, char**argv){
@@ -39,24 +37,15 @@ int main(int argc, char**argv){
 
 
 	for ( unsigned int i = 1; i < argc; i++ ){
-		if ( strcmp( argv[i], "--database" ) == 0 ){
-			if ( i + 1 < argc ){
-				database = argv[++i];
+		if ( strcmp( argv[i], "--config" ) == 0 ){
+			if ( i + 2 < argc ){
+				setConfig( defaultconfig, argv[i + 1], argv[i + 2] );
 			} else {
-				printf("--database requires a positional argument\n");
-			}
-		} else if ( strcmp( argv[i], "--config" ) == 0 ){
-			if ( i + 1 < argc ){
-				config = argv[++i];
-			} else {
-				printf("--config requires a positional argument\n");
-			}
-		} else if ( strcmp( argv[i], "--port" ) == 0 ){
-			if ( i + 1 < argc ){
-				port = validatePortNumber( atoi(argv[++i]) );
-			} else {
-				printf("--port requires a positional argument\n");
+				printf("--config requires 2 positional arguments\n");
 			}
+		} else if ( strcmp( argv[i], "--print-config" ) == 0 ){
+			printConfig(defaultconfig);
+			return 0;
 		} else if ( strcmp( argv[i], "--help" ) == 0 ){
 			printHelp();
 			return 0;

tests/config.test.c

@@ -63,6 +63,23 @@ MunitResult checkDefaults(const MunitParameter params[],
 	return MUNIT_OK;
 }
 
+
+MunitResult checkSetConfig(const MunitParameter params[],
+		void* user_data_or_fixture){
+	Config *conf = configDefaults();
+	setConfig(conf, "database", "test.blar");
+	munit_assert_string_equal(conf->database, "test.blar");
+	setConfig(conf, "localConfig", "test.blar");
+	munit_assert_string_equal(conf->localConfig, "test.blar");
+	setConfig(conf, "userConfig", "test.blar");
+	munit_assert_string_equal(conf->userConfig, "test.blar");
+	setConfig(conf, "port", "1234");
+	munit_assert_int(conf->port, ==, 1234);
+
+
+	return MUNIT_OK;
+}
+
 MunitTest tests[] = {
   {
     "/path_exists/yes", /* name */
@@ -112,6 +129,14 @@ MunitTest tests[] = {
     MUNIT_TEST_OPTION_NONE, /* options */
     NULL /* parameters */
   },
+  {
+    "/ConfigDir/SetConfigs", /* name */
+    checkSetConfig, /* test */
+    NULL, /* setup */
+    NULL, /* tear_down */
+    MUNIT_TEST_OPTION_NONE, /* options */
+    NULL /* parameters */
+  },
   /* Mark the end of the array with an entry where the test
    * function is NULL */
   { NULL, NULL, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL }