@@ -10,6 +10,10 @@

 int flag_show_scores = 0;

+size_t num_lines = 10;

+size_t scrolloff = 1;

+

+

 #define INITIAL_CAPACITY 1

 int choices_capacity = 0;

 int choices_n = 0;

@@ -85,17 +89,14 @@ void run_search(char *needle){

 	qsort(choices_sorted, choices_available, sizeof(size_t), cmpchoice);

 }

-#define NUMLINES 10

-#define SCROLLOFF 1

-

 #define SEARCH_SIZE_MAX 4096

 int search_size;

 char search[SEARCH_SIZE_MAX + 1] = {0};

 void clear(tty_t *tty){

 	tty_setcol(tty, 0);

-	int line = 0;

-	while(line++ < NUMLINES){

+	size_t line = 0;

+	while(line++ < num_lines){

 		tty_newline(tty);

 	}

 	tty_moveup(tty, line-1);

@@ -129,16 +130,16 @@ void draw_match(tty_t *tty, const char *choice, int selected){

 void draw(tty_t *tty){

 	size_t start = 0;

-	if(current_selection + SCROLLOFF >= NUMLINES){

-		start = current_selection + SCROLLOFF - NUMLINES + 1;

-		if(start + NUMLINES >= choices_available){

-			start = choices_available - NUMLINES;

+	if(current_selection + scrolloff >= num_lines){

+		start = current_selection + scrolloff - num_lines + 1;

+		if(start + num_lines >= choices_available){

+			start = choices_available - num_lines;

 		}

 	}

 	const char *prompt = "> ";

 	tty_setcol(tty, 0);

 	tty_printf(tty, "%s%s", prompt, search);

-	for(size_t i = start; i < start + NUMLINES; i++){

+	for(size_t i = start; i < start + num_lines; i++){

 		tty_newline(tty);

 		if(i < choices_available){

 			size_t choice_idx = choices_sorted[i];

@@ -148,7 +149,7 @@ void draw(tty_t *tty){

 		}

 	}

 	tty_clearline(tty);

-	tty_moveup(tty, NUMLINES);

+	tty_moveup(tty, num_lines);

 	tty_setcol(tty, strlen(prompt) + strlen(search));

 	tty_flush(tty);

 }

@@ -225,6 +226,7 @@ void run(tty_t *tty){

 static const char *usage_str = ""

 "USAGE: fzy [OPTION]...\n"

+" -l, --lines              Specify how many lines of results to show\n"

 " -e, --show-matches=QUERY output the sorted matches of QUERY\n"

 " -s, --show-scores        show the scores of each match\n"

 " -h, --help     display this help and exit\n"

@@ -232,11 +234,11 @@ static const char *usage_str = ""

 void usage(const char *argv0){

 	fprintf(stderr, usage_str, argv0);

-	exit(EXIT_FAILURE);

 }

 static struct option longopts[] = {

 	{ "show-matches", required_argument, NULL, 'e' },

+	{ "lines", required_argument, NULL, 'l' },

 	{ "show-scores", no_argument, NULL, 's' },

 	{ "version", no_argument, NULL, 'v' },

 	{ "help",    no_argument, NULL, 'h' },

@@ -246,7 +248,7 @@ static struct option longopts[] = {

 int main(int argc, char *argv[]){

 	char *initial_query = NULL;

 	char c;

-	while((c = getopt_long(argc, argv, "vhse:", longopts, NULL)) != -1){

+	while((c = getopt_long(argc, argv, "vhse:l:", longopts, NULL)) != -1){

 		switch(c){

 			case 'v':

 				printf("%s " VERSION " (c) 2014 John Hawthorn\n", argv[0]);

@@ -257,14 +259,27 @@ int main(int argc, char *argv[]){

 			case 'e':

 				initial_query = optarg;

 				break;

+			case 'l':

+				{

+					int l;

+					if(sscanf(optarg, "%d", &l) != 1 || l < 3){

+						fprintf(stderr, "Invalid format for --lines: %s\n", optarg);

+						fprintf(stderr, "Must be integer in range 3..\n");

+						usage(argv[0]);

+						exit(EXIT_FAILURE);

+					}

+					num_lines = l;

+				}

+				break;

 			case 'h':

 			default:

 				usage(argv[0]);

-				exit(EXIT_FAILURE);

+				exit(EXIT_SUCCESS);

 		}

 	}

 	if(optind != argc){

 		usage(argv[0]);

+		exit(EXIT_FAILURE);

 	}

 	resize_choices(INITIAL_CAPACITY);