started server

inc/errExit.h

@@ -0,0 +1,7 @@
+#ifndef ERREXIT_H
+#define ERREXIT_H
+
+void errExit(char *func, char *where);
+void errExitMsg(char *msg);
+
+#endif

inc/semaphore.h

@@ -0,0 +1,12 @@
+#ifndef SEMAPHORE_H
+#define SEMAPHORE_H
+
+union semun {
+    int val;
+    struct semid_ds * buf;
+    unsigned short * array;
+};
+
+void semOp (int semid, short sem_num, short sem_op);
+
+#endif

inc/server.h

@@ -0,0 +1,6 @@
+#ifndef SERVER_H
+#define SERVER_H
+
+void check_input(int argc, char *argv[]);
+
+#endif

src/F4Server.c

@@ -0,0 +1,7 @@
+#include <../inc/server.h>
+
+int main(int argc, char *argv[]){
+    check_input(argc, argv);
+
+    return 0;
+}

src/errExit.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <../inc/errExit.h>
+
+void errExit(char *func, char *where) {
+    fprintf(stderr, "\033[91m<Error>\033[39m %s failed in %s\n", func, where);
+    perror("");
+    exit(1);
+}
+
+void errExitMsg(char *msg) {
+    fprintf(stderr, "\033[91m<Error>\033[39m\n");
+    perror(msg);
+    exit(1);
+}

src/semaphore.c

@@ -0,0 +1,12 @@
+#include <sys/sem.h>
+
+#include <../inc/semaphore.h>
+#include <../inc/errExit.h>
+
+void semOp(int semid, short sem_num, short sem_op) {
+    struct sembuf sop = {.sem_num = sem_num, .sem_op = sem_op, .sem_flg = 0};
+
+    if (semop(semid, &sop, 1) == -1) {
+        errExit("semop", "semOp");
+    }
+}

src/server.c

@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <../inc/server.h>
+#include <../inc/errExit.h>
+
+void check_input(int argc, char *argv[]){
+    if (argc < 5) {
+        //TODO: print help
+        exit(0); //TODO: togliere
+    } else if (argc > 5) {
+        //TODO: print error
+        exit(EXIT_FAILURE);
+    }
+
+    int collums = atoi(argv[1]);
+    int rows = atoi(argv[2]);
+
+    char *player1 = argv[3];
+    char *player2 = argv[4];
+
+    if (collums<5 || rows<5) {
+        errExitMsg("To few rows or collums");
+    }
+
+    if (player1 == NULL || player2 == NULL) {
+        errExitMsg("Invalid player names");
+    }
+}