Task3: Add Makefile

task1/CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.16)
 
 project(GuessANumber LANGUAGES C)
 
-add_executable(GuessANumber main.c)
+add_executable(GuessANumber main.c utility.h utility.c settings.h)
 
 install(TARGETS GuessANumber
     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})

task1/main.c

@@ -10,46 +10,9 @@
  */
 
 #include <stdio.h>
-#include <time.h>
-#include <stdlib.h>
 
-static const int LOW; // default to 0
-static const int HIGH = 9;
-
-// generates random number in range [low, high]
-int getRandomNumber(int low, int high)
-{
-	int result = 0, low_num = 0, hi_num = 0;
-
-	if (low < high) {
-		low_num = low;
-		hi_num = high + 1; // include max_num in output
-	} else {
-		low_num = high + 1; // include max_num in output
-		hi_num = low;
-	}
-
-	srand(time(NULL));
-	result = (rand() % (hi_num - low_num)) + low_num;
-	return result;
-}
-
-// get user number in range [low, high]
-int getUserNumber(int low, int high)
-{
-	int userNumber = -1;
-
-	do {
-		scanf("%d", &userNumber);
-		if (userNumber < low || userNumber > high) {
-			printf("Number should be in range [%d, %d]\n", LOW,
-			       HIGH);
-			userNumber = -1;
-		}
-	} while (userNumber == -1);
-
-	return userNumber;
-}
+#include "utility.h"
+#include "settings.h"
 
 int main(void)
 {

task1/settings.h

@@ -0,0 +1,7 @@
+#pragma once
+
+// lower number to guess
+static const int LOW; // default to 0
+
+// higher number to guess
+static const int HIGH = 9;

task1/utility.c

@@ -0,0 +1,40 @@
+#include "utility.h"
+
+#include "settings.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+int getRandomNumber(int low, int high)
+{
+    int result = 0, low_num = 0, hi_num = 0;
+
+    if (low < high) {
+        low_num = low;
+        hi_num = high + 1; // include max_num in output
+    } else {
+        low_num = high + 1; // include max_num in output
+        hi_num = low;
+    }
+
+    srand(time(NULL));
+    result = (rand() % (hi_num - low_num)) + low_num;
+    return result;
+}
+
+int getUserNumber(int low, int high)
+{
+    int userNumber = -1;
+
+    do {
+        scanf("%d", &userNumber);
+        if (userNumber < low || userNumber > high) {
+            printf("Number should be in range [%d, %d]\n", LOW,
+                   HIGH);
+            userNumber = -1;
+        }
+    } while (userNumber == -1);
+
+    return userNumber;
+}

task1/utility.h

@@ -0,0 +1,7 @@
+#pragma once
+
+// generates random number in range [low, high]
+int getRandomNumber(int low, int high);
+
+// get user number in range [low, high]
+int getUserNumber(int low, int high);

task3/CMakeLists.txt

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.16)
+
+project(GuessANumber LANGUAGES C)
+
+add_executable(GuessANumber main.c utility.h utility.c settings.h)
+
+install(TARGETS GuessANumber
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})

task3/Makefile

@@ -0,0 +1,36 @@
+OBJ=GuessANumber
+
+all: ${OBJ}
+
+all_static_lib: main.o static_libs
+	${CC} -lm -o ${OBJ} main.o -L. -lutility
+
+all_shared_lib: main.o shared_libs
+	$(CC) -o ${OBJ} main.o -Wl,-rpath=. -L. -lutility
+
+libutility.a: utility.o
+	ar rcs libutility.a utility.o
+
+libutility.so: utility.o
+	$(CC) -shared -fPIC utility.o
+
+static_libs: libutility.a
+
+shared_libs: libutility.so
+
+${OBJ}: main.o utility.o
+	${CC} main.o utility.o -o ${OBJ}
+
+utility.o: utility.c
+	${CC} ${CFLAGS} ${DEBUGFLAGS} -c utility.c
+
+main.o: main.c
+	${CC} ${CFLAGS} ${DEBUGFLAGS} -c main.c
+
+exec:
+	./GuessANumber
+
+clean:
+	rm -rf ./GuessANumber
+	rm -rf *.o
+	rm -rf *.a

task3/main.c

@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) Copyright 2022
+ * Author: Roman Kulchytskyi <kulch.roman@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+
+#include <stdio.h>
+
+#include "utility.h"
+#include "settings.h"
+
+int main(void)
+{
+	printf("Enter number (%d - %d):\n", LOW, HIGH);
+	const int userNumber = getUserNumber(LOW, HIGH);
+	const int randomNumber = getRandomNumber(LOW, HIGH);
+
+	if (userNumber == randomNumber) {
+		printf("You guess the number %d!\n", userNumber);
+		return 0;
+	}
+
+	printf("You lose. Number was %d!\n", randomNumber);
+	return -1;
+}

task3/settings.h

@@ -0,0 +1,7 @@
+#pragma once
+
+// lower number to guess
+static const int LOW; // default to 0
+
+// higher number to guess
+static const int HIGH = 9;

task3/utility.c

@@ -0,0 +1,40 @@
+#include "utility.h"
+
+#include "settings.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+int getRandomNumber(int low, int high)
+{
+    int result = 0, low_num = 0, hi_num = 0;
+
+    if (low < high) {
+        low_num = low;
+        hi_num = high + 1; // include max_num in output
+    } else {
+        low_num = high + 1; // include max_num in output
+        hi_num = low;
+    }
+
+    srand(time(NULL));
+    result = (rand() % (hi_num - low_num)) + low_num;
+    return result;
+}
+
+int getUserNumber(int low, int high)
+{
+    int userNumber = -1;
+
+    do {
+        scanf("%d", &userNumber);
+        if (userNumber < low || userNumber > high) {
+            printf("Number should be in range [%d, %d]\n", LOW,
+                   HIGH);
+            userNumber = -1;
+        }
+    } while (userNumber == -1);
+
+    return userNumber;
+}

task3/utility.h

@@ -0,0 +1,7 @@
+#pragma once
+
+// generates random number in range [low, high]
+int getRandomNumber(int low, int high);
+
+// get user number in range [low, high]
+int getUserNumber(int low, int high);