/
main.c
executable file
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/
main.c
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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "new_string.h"
int test_strcpy(char* src, int log)
{
char *return1, *return2;
char dest1[20], dest2[20];
return1 = strcpy(dest1, src);
return2 = new_strcpy(dest2, src);
if(log)
{
printf("strcpy: src: %s dest: %s rtrn: %s\n", src, dest1, return1);
printf("new_strcpy: src: %s dest: %s rtrn: %s\n", src, dest2, return2);
}
return strcmp(dest1, dest2)==0 && strcmp(return2, return2)==0;
}
int test_strncpy(char* src, int size, int log)
{
char *return1, *return2;
char dest2[20], dest1[20];
return1 = strncpy(dest1, src, size);
return2 = new_strncpy(dest2, src, size);
if(log)
{
printf("strncpy: src: %s dest: %s size: %d rtrn: %s\n",
src, dest1, size, return1);
printf("new_strncpy: src: %s dest: %s size: %d rtrn: %s\n",
src, dest2, size, return2);
}
return strncmp(dest1, dest2, size)==0 && strncmp(return2, return2, size)==0;
}
int test_strcmp(char* str1, char* str2, int log)
{
char *src1, *src2, *dest1, *dest2;
int return1, return2;
src1 = src2 = str1;
dest1 = dest2 = str2;
return1 = strcmp(src1, dest1);
return2 = new_strcmp(src2, dest2);
if(log)
{
printf("strcmp: str1: %s str2: %s rtrn: %d\n", src1, dest1, return1);
printf("new_strcmp: str1: %s str2: %s rtrn: %d\n", src2, dest2, return2);
}
return strcmp(src1, src2)==0 && strcmp(dest1, dest2)==0 && (return1 == return2);
}
int test_strncmp(char* str1, char* str2, int size, int log)
{
int return1, return2;
return1 = strncmp(str1, str2, size);
return2 = new_strncmp(str1, str2, size);
if(log)
{
printf("strncmp: str1: %s str2: %s size: %d rtrn: %d\n",
str1, str2, size, return1);
printf("new_strncmp: str1: %s str2: %s size: %d rtrn: %d\n",
str1, str2, size, return2);
}
return (return1 == return2);
}
int test_strcat(char* src, char* dest, int log)
{
char *return1, *return2;
char dest1[20], dest2[20];
strcpy(dest1, dest);
strcpy(dest2, dest);
return1 = strcat(dest1, src);
return2 = new_strcat(dest2, src);
if(log)
{
printf("strcat: src: %s dest: %s return: %s\n",
src, dest1, return1);
printf("new_strcat: src: %s dest: %s return: %s\n",
src, dest2, return2);
}
return strcmp(dest1, dest2)==0 && strcmp(return1, return2)==0;
}
int test_strlen(char* str, int log)
{
int return1, return2;
return1 = strlen(str);
return2 = new_strlen(str);
if(log)
{
printf("strlen: str: %s return: %d\n",
str, return1);
printf("new_strlen: str: %s return: %d\n",
str, return2);
}
return return1==return2;
}
int test_strncat(char* src, char* dest, int size, int log)
{
char *return1, *return2;
char dest1[20], dest2[20];
strcpy(dest1, dest);
strcpy(dest2, dest);
return1 = strncat(dest1, src, size);
return2 = new_strncat(dest2, src, size);
if(log)
{
printf("strcat: src: %s dest: %s size: %d return: %s\n",
src, dest1, size, return1);
printf("new_strcat: src: %s dest: %s size: %d return: %s\n",
src, dest2, size, return2);
}
return strcmp(dest1, dest2)==0 && strcmp(return1, return2)==0;
}
int test_strchr(char* str, char c, int log)
{
char *return1, *return2;
return1 = strchr(str, c);
return2 = new_strchr(str, c);
if(log)
{
printf("strchr: str: %s c: %c return: %p\n",
str, c, return1);
printf("new_strchr: str: %s c: %c return: %p\n",
str, c, return2);
}
return return1==return2;
}
int test_strstr(char* str, char* needle, int log)
{
char *return1, *return2;
return1 = strstr(str, needle);
return2 = new_strstr(str, needle);
if(log)
{
printf("strstr: str: %s needle: %s return: %p\n",
str, needle, return1);
printf("new_strstr: str: %s needle: %s return: %p\n",
str, needle, return2);
}
return return1==return2;
}
int main()
{
//strcpy
printf("%d\n", test_strcpy("hello", 0));
//strncpy
printf("%d\n", test_strncpy("hellohellohello", 7, 0));
printf("%d\n", test_strncpy("hello", 7, 0));
printf("%d\n", test_strncpy("hellohello", 10, 0));
//strcmp
printf("%d\n", test_strcmp("aaa", "arc", 0));
printf("%d\n", test_strcmp("abc", "abc", 0));
printf("%d\n", test_strcmp("ccc", "abc", 0));
//strncmp
printf("%d\n", test_strncmp("aaaddd", "alcccc", 3, 0));
printf("%d\n", test_strncmp("abcddd", "abcccc", 3, 0));
printf("%d\n", test_strncmp("cccddd", "abcccc", 3, 0));
//strcat
printf("%d\n", test_strcat("world", "hello", 0));
printf("%d\n", test_strcat("fg", "", 0));
printf("%d\n", test_strcat("", "hello", 0));
//strncat
printf("%d\n", test_strncat("world", "hello", 3, 0));
printf("%d\n", test_strncat("world", "hello", 10, 0));
printf("%d\n", test_strncat("", "hello", 10, 0));
//strlen
printf("%d\n", test_strlen("", 0));
printf("%d\n", test_strlen("hello", 0));
//strchr
printf("%d\n", test_strchr("world", 'r', 0));
printf("%d\n", test_strchr("world", 'a', 0));
printf("%d\n", test_strchr("", 'a', 0));
//strstr
printf("%d\n", test_strstr("world", "rl", 0));
printf("%d\n", test_strstr("needle", "nee", 0));
printf("%d\n", test_strstr("world", "hello", 0));
return 0;
}