Lab2: Added makefile, functions and tests for them

Author: studentfedorov

Lab1/makefile

@@ -0,0 +1,9 @@
+#ifndef __STR_H
+#define __STR_H 
+#include "stddef.h"
+char * strcpy(char * destination, const char * source);
+char * strcat(char * destination, const char * source);
+int strcmp(const char * str1, const char * str2);
+size_t strlen(const char * str);
+
+#endif

Lab2/include/str.h

@@ -0,0 +1,12 @@
+#ifndef __TEST_STR_H
+#define __TEST_STR_H 
+#include "stddef.h"
+#include "stdbool.h"
+
+bool equal(const char *a, const char* b);
+char* test_strcpy(char *destination, const char *source, const char *ans);
+char* test_strcat(char *destination, const char *source, const char *ans);
+char* test_strcmp(const char *str1, const char *str2, int ans);
+char* test_strlen(const char *str, size_t ans);
+
+#endif

Lab2/include/test_str.h

@@ -0,0 +1,18 @@
+test: ./bin/test_str.o ./bin/str.o ./bin/test.o 
+	gcc ./bin/test_str.o ./bin/str.o ./bin/test.o -o test
+
+./bin/test_str.o: bin ./src/test_str.c ./include/test_str.h
+	gcc -c -o ./bin/test_str.o ./src/test_str.c 
+
+./bin/test.o: bin ./src/test.c
+	gcc -c -o ./bin/test.o ./src/test.c
+
+./bin/str.o: bin ./src/str.c ./include/str.h 
+	gcc -c -o ./bin/str.o ./src/str.c
+
+clean: 
+	rm -rf ./bin
+	rm -rf test
+
+bin:
+	mkdir bin -p

Lab2/makefile

@@ -0,0 +1,34 @@
+#include "stddef.h"
+char * strcpy(char * destination, const char * source){
+	char *pos = destination;
+	while (*source != '\0'){
+		*pos = *source;
+		pos++;
+		source++;
+	}
+	*pos = '\0';
+	return destination;
+}
+
+char * strcat(char * destination, const char * source){
+	char *pos = destination;
+	while (*pos != '\0')
+		pos++;
+	while (*source != '\0')
+		*pos = *source, source++, pos++;
+	*pos = '\0';
+	return destination;
+}
+
+int strcmp(const char * str1, const char * str2){
+	while (*str1 == *str2 && *str1 != '\0')
+		str1++, str2++;
+	return (int)*str1 - (int)*str2;
+}
+
+size_t strlen(const char * str){
+	size_t res = 0;
+	while (*str)
+		res++, str++;
+	return res;
+}

Lab2/src/str.c

@@ -0,0 +1,54 @@
+#include "../include/test_str.h"
+#include "stdio.h"
+
+int main(){
+	{
+	char a1[] = "", a2[] = "a", a3[] = "abcd";
+	printf("Testing strlen\n");
+	printf("Test 1(str = %s): %s\n", a1, test_strlen(a1, 0));
+	printf("Test 2(str = %s): %s\n", a2, test_strlen(a2, 1));
+	printf("Test 3(str = %s): %s\n", a3, test_strlen(a3, 4));
+	}
+	{	
+	char s1[] = "", s2[] = "a", s3[] = "abc", s4[] = "b";
+	printf("Testing strcmp\n");
+	printf("Test 1(str1 = %s, str2 = %s): %s\n", s1, s1, test_strcmp(s1, s1, 0));
+	printf("Test 2(str1 = %s, str2 = %s): %s\n", s3, s4, test_strcmp(s3, s4, -1));
+	printf("Test 3(str1 = %s, str2 = %s): %s\n", s4, s3, test_strcmp(s4, s3, 1));	
+	printf("Test 4(str1 = %s, str2 = %s): %s\n", s1, s2, test_strcmp(s1, s2, -1));
+	printf("Test 5(str1 = %s, str2 = %s): %s\n", s3, s3, test_strcmp(s3, s3, 0));
+	}
+	{
+	char s1[] = "", s2[] = "a", s3[] = "abc";
+	char d1[10] = "", d2[10] = "a", d3[10] = "abc", d4[10] = "", d5[10] = "a";
+	char a1[] = "", a2[] = "abc", a3[] = "aa", a4[] = "abc", a5[] = "aabc";
+	printf("Testing strcat\n");
+	printf("Test 1(destination = %s, source = %s): ", d1, s1); 
+	printf("%s\n", test_strcat(d1, s1, a1));
+	printf("Test 2(destination = %s, source = %s): ", d4, s3); 
+	printf("%s\n", test_strcat(d4, s3, a2));
+	printf("Test 3(destination = %s, source = %s): ", d2, s2); 
+	printf("%s\n", test_strcat(d2, s2, a3));
+	printf("Test 4(destination = %s, source = %s): ", d3, s1); 
+	printf("%s\n", test_strcat(d3, s1, a4));
+	printf("Test 5(destination = %s, source = %s): ", d5, s3); 
+	printf("%s\n", test_strcat(d5, s3, a5));	
+	}
+	{
+	char s1[] = "", s2[] = "a", s3[] = "abc";
+	char d1[10] = "", d2[10] = "a", d3[10] = "abc", d4[10] = "", d5[10] = "a";
+	char a1[] = "", a2[] = "a", a3[] = "abc";
+	printf("Testing strcpy\n");
+	printf("Test 1(destination = %s, source = %s): ", d1, s1); 
+	printf("%s\n", test_strcpy(d1, s1, a1));
+	printf("Test 2(destination = %s, source = %s): ", d2, s2); 
+	printf("%s\n", test_strcpy(d2, s2, a2));
+	printf("Test 3(destination = %s, source = %s): ", d3, s2); 
+	printf("%s\n", test_strcpy(d3, s2, a2));
+	printf("Test 4(destination = %s, source = %s): ", d4, s2); 
+	printf("%s\n", test_strcpy(d4, s2, a2));
+	printf("Test 5(destination = %s, source = %s): ", d5, s3); 
+	printf("%s\n", test_strcpy(d5, s3, a3));	
+	}	
+	return 0;
+}

Lab2/src/test.c

@@ -0,0 +1,40 @@
+#include "../include/str.h"
+#include "stddef.h"
+#include "stdio.h"
+#include "stdbool.h"
+
+bool equal(const char *a, const char* b){
+	while (*a == *b && *a != '\0')
+		a++, b++;
+	return (*a == *b && *a == '\0');
+}
+
+char* test_strcpy(char *destination, const char *source, const char* ans){
+	if (equal(ans, strcpy(destination, source)))
+		return "OK";
+	else
+		return "Error";
+}
+
+char* test_strcat(char *destination, const char *source, const char* ans){
+	if (equal(ans, strcat(destination, source)))
+		return "OK";
+	else
+		return "Error";
+}
+
+char* test_strcmp(const char *str1, const char *str2, int ans){
+	int res = strcmp(str1, str2);
+	if ((ans == 0 && res == 0) || ans * res > 0)
+		return "OK";
+	else
+		return "Error";
+}
+
+char* test_strlen(const char *str, size_t ans){
+	size_t a = strlen(str);
+	if (ans == a)
+		return "OK";
+	else
+		return "Error";
+}