Final attempt at fixing errors. Not enough time to finish

unjust.c

@@ -35,6 +35,12 @@ FILE * F;
 pthread_t writeThread;
 pthread_t readThread;
 
+// Error #14: Handling for argv not being present.
+if (argc < 2) {
+    printf("Arv args required.\n");
+    exit(1);
+}
+
 T2=malloc(sizeof(Thing)); // Error #5: Should malloc the size of the object, not a pointer.
 
 umask(0000); // everybody gets everything ? // Error #4: To set 777, umask should be set to 0. This will deny all permisions (I think).
@@ -72,9 +78,18 @@ return 0;
 // Error #11: Applies to both thread methods. Gives object type name rather than variable name.
 void * readThing(void * aThing)
 {
+    printf("Reading from file...\n");
 Thing * readThing = (Thing *)aThing;
 fseek(readThing->file,1000,SEEK_SET);
-fread(readThing,sizeof(Thing),1,readThing->file);
+// fread(readThing,sizeof(Thing),1,readThing->file);
+fread(&readThing->Field1, sizeof(int), 1, readThing->file);
+fread(readThing->Field2, sizeof(struct Thing*), 1, readThing->file);
+fread(&readThing->fd, sizeof(int), 1, readThing->file);
+fread(readThing->file, sizeof(FILE*), 1, readThing->file);
+printf("READ-IN FIELD1: %d\n", readThing->Field1);
+printf("READ-IN FIELD2: %p\n", (void*)readThing->Field2);
+printf("READ-IN FD:     %d\n", readThing->fd);
+// printf("READ-IN FILE:   %d\n", *readThing->file);
 pthread_exit(NULL);
 }
 
@@ -82,8 +97,19 @@ void * writeThing(void * aThing)
 {
 Thing * writeThing = (Thing *)aThing;
 lseek(writeThing->fd,1000,SEEK_CUR);
-write(writeThing->fd,writeThing,sizeof(Thing));
-// write(writeThing->)
+// Error #15: Trying to write entire struct to file. P sure you need to write the individual struct values,
+// or else it's just a memory address which does nothing upon read in.
+
+// write(writeThing->fd,writeThing,sizeof(Thing));
+write(writeThing->fd, &writeThing->Field1, sizeof(writeThing->Field1));
+write(writeThing->fd, &writeThing->Field2, sizeof(writeThing->Field2));
+write(writeThing->fd, &writeThing->fd, sizeof(writeThing->fd));
+write(writeThing->fd, &writeThing->file, sizeof(writeThing->file));
+printf("WRITE-OUT FIELD1: %d\n", writeThing->Field1);
+printf("WRITE-OUT FIELD2: %p\n", (void*)writeThing->Field2);
+printf("WRITE-OUT FD:     %d\n", writeThing->fd);
+// printf("WRITE-OUT FILE:   %d\n", *writeThing->file);
+
 pthread_exit(NULL);
 }