From 2b022e27d1939b46097e523c0973ffbf48d284b1 Mon Sep 17 00:00:00 2001
From: "Mr. Goblin" <mrgoblin@mrgoblin.net>
Date: Sat, 19 Sep 2026 15:06:12 +0300
Subject: man page, dist.sh, README is now plain text, Makefile is now posix

---
 src/btasktd.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 50 insertions(+), 8 deletions(-)

(limited to 'src/btasktd.c')

diff --git a/src/btasktd.c b/src/btasktd.c
index 34e1fae..9878a3d 100644
--- a/src/btasktd.c
+++ b/src/btasktd.c
@@ -64,16 +64,24 @@ fprint_help(FILE *f)
 	fputs(BTASKTD_HELP_STR, f);
 }
 
+static void
+set_nonblock(int fd)
+{
+	int fflags = fcntl(fd, F_GETFL);
+	fcntl(fd, F_SETFL, fflags|O_NONBLOCK);
+}
+
 int
 main(int argc, char **argv)
 {
-	int server_fd, opt = 1, res, fflags, port, passed_flags = 1;
+	int server_fd, opt = 1, res, port, passed_flags = 1, users_cnt;
+	int *users = NULL;
 	struct sockaddr_in addr = {0};
-	struct int_flag_val port_res;
+	struct int_flag_val int_res;
 	struct bool_flag_val show_ver, show_help;
 
 	show_ver = extract_bool_flag('V', argc, argv);
-	if (show_ver.code == fvr_ok && show_ver.data) {
+	if (fvr_ok == show_ver.code && show_ver.data) {
 		printf("btasktd version %s\n", BTASKTD_VERSION_STR);
 		return 0;
 	}
@@ -84,8 +92,8 @@ main(int argc, char **argv)
 		return 0;
 	}
 
-	port_res = extract_int_flag('p', argc, argv);
-	switch (port_res.code) {
+	int_res = extract_int_flag('p', argc, argv);
+	switch (int_res.code) {
 	case fvr_not_found:
 #		ifdef BTASKTD_DEFAULT_PORT
 			port = BTASKTD_DEFAULT_PORT;
@@ -94,11 +102,35 @@ main(int argc, char **argv)
 			passed_flags = 0;
 #		endif
 		break;
+	case fvr_ok:
+		port = int_res.data;
+		if (port > 0)
+			break;
+		/* fallthrough */
 	case fvr_invalid:
 		fputs("Invalid port!\n", stderr);
 		return 1;
+		break;
+	}
+
+	int_res = extract_int_flag('u', argc, argv);
+	switch (int_res.code) {
+	case fvr_not_found:
+#		ifdef BTASKTD_DEFAULT_USERS_CNT
+			users_cnt = BTASKTD_DEFAULT_USERS_CNT;
+#		else
+			fputs("No users count specified!\n", stderr);
+			passed_flags = 0;
+#		endif
+		break;
 	case fvr_ok:
-		port = port_res.data;
+		users = int_res.data;
+		if (users > 0)
+			break;
+		/* fallthrough */
+	case fvr_invalid:
+		fputs("Invalid users count!\n", stderr);
+		return 1;
 		break;
 	}
 
@@ -107,8 +139,15 @@ main(int argc, char **argv)
 		return 1;
 	}
 
+	users = (int*)malloc(users_cnt * sizeof(int));
+	if (NULL == users) {
+		fputs("No memory!\n", stderr);
+		return 1;
+	}
+
 	server_fd = socket(AF_INET, SOCK_STREAM, 0);
 	if (server_fd < 0) {
+		free(users);
 		perror("socket");
 		return 1;
 	}
@@ -118,12 +157,14 @@ main(int argc, char **argv)
 	res = bind(server_fd, (struct sockaddr*)&addr, sizeof(addr));
 	if (0 != res) {
 		close(server_fd);
+		free(users);
 		perror("bind");
 		return 1;
 	}
 	res = listen(server_fd, BTASKTD_QUEUE_LEN);
 	if (0 != res) {
 		close(server_fd);
+		free(users);
 		perror("listen");
 		return 1;
 	}
@@ -131,17 +172,18 @@ main(int argc, char **argv)
 		&opt, sizeof(opt));
 	if (0 != res) {
 		close(server_fd);
+		free(users);
 		perror("setsockopt");
 		return 1;
 	}
-	fflags = fcntl(server_fd, F_GETFL);
-	fcntl(server_fd, F_SETFL, fflags|O_NONBLOCK);
 
+	set_nonblock(server_fd);
 	printf("btaskt server btasktd started on port %d\n", port);
 
 	/* main loop here */
 
 	printf("btaskt server btasktd stopped\n");
 	close(server_fd);
+	free(users);
 	return 0;
 }
-- 
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