finishing additions

src/socketHelp.c

@@ -9,6 +9,11 @@
 
 #include "socketHelp.h"
 
+/*
+ * This function turns a IPv4 four byte octet into
+ * an unsigned 32 bit integer which can be used when
+ * opening new socket connections
+ */
 uint32_t addr2sin_addr(char *addr) {
 	char *token;
 	int i = 0;
@@ -18,12 +23,12 @@ uint32_t addr2sin_addr(char *addr) {
 	token = strtok(addr, ".");
 	while(token != NULL) {
 		addrTempNum = strtoul(token, NULL,10);
-		if ( addrTempNum > 255 ) {
+		if ( addrTempNum > 255 ) { // Check if octet is valid
 			printf("Invalid IP octet: %ld\n", addrTempNum);
 
 			free(token);
 			return -1;
-		}
+		} // Adding value to addr number
 		addrNum = addrNum + ( addrTempNum << (8*(3-i)) );
 
 		token = strtok(NULL, ".");