/**
* Create a string, clone it and compare them
*/
void test1()
{
// for the sake of clarity, we don't check for errors in this demonstration
// this function call allocates a number and sets it to 0
MyString * s1 = myStringAlloc();
MyStringRetVal rVal = myStringSetFromCString(s1, "Hello world?!?");
MyString * s2 = myStringClone(s1);
int res = myStringCompare(s1, s2);
if (res != 0)
{
exitBad(1);
}
myStringFree(s1);
myStringFree(s2);
}
/**
* @brief Asks for 2 strings, compare between them and write to file the results.
*/
int main()
{
char str1[MAX_LENGTH] = {0}, str2[MAX_LENGTH] = {0};
printf("Enter the first string:\n");
fgets(str1, MAX_LENGTH, stdin);
printf("Enter the second string:\n");
fgets(str2, MAX_LENGTH, stdin);
// Replace the last char '\n' that fgets automatic puts in the end of the strings with '\0'
int lenStr1 = strlen(str1);
int lenStr2 = strlen(str2);
str1[lenStr1 - 1] = '\0';
str2[lenStr2 - 1] = '\0';
MyString* myStr1 = myStringAlloc();
MyString* myStr2 = myStringAlloc();
myStringSetFromCString(myStr1, str1);
myStringSetFromCString(myStr2, str2);
printf("Compare between the 2 strings and writing the result to test.out...\n");
int compare = myStringCompare(myStr1, myStr2);
if (compare <= 0)
{
writeResult(myStr1, myStr2);
}
else
{
writeResult(myStr2, myStr1);
}
printf("Done.\n");
myStringFree(myStr1);
myStringFree(myStr2);
return 0;
}
/**
* get two strings from ints, concatenate them and parse them back to an int
*/
void test2()
{
int first = 10, second = 5;
// This time, we check for errors.
MyString * high = NULL;
MyString * low = NULL;
high = myStringAlloc();
low = myStringAlloc();
myStringSetFromInt(high, first);
myStringSetFromInt(low, second);
myStringCat(high, low);
if (myStringToInt(high) != 105)
{
exitBad(1);
}
// clean up.
myStringFree(high);
myStringFree(low);
}
/**
* @brief Sets the value of str to the value of other.
* @param str the MyString to set
* @param other the MyString to set from
* RETURN VALUE:
* @return MYSTRING_SUCCESS on success, MYSTRING_ERROR on failure.
*/
MyStringRetVal myStringSetFromMyString(MyString *str, const MyString *other)
{
if (other == NULL || str == NULL)
{
return MYSTRING_ERROR;
}
myStringFree(str);
str = myStringClone(other);
if (str == NULL)
{
return MYSTRING_ERROR;
}
return MYSTRING_SUCCESS;
}