// Used when the current block needs to grow and there are no
// adjacent free blocks large enough to grow into. Instead, a new block
// will be allocated and moved into. Then the orginal block will be freed
void *reallocIntoCompletelyNewBlock(header *headerPointer, uint32_t size) {
void *block = myMalloc(size);
myMemmove(block, headerPointer + 1, headerPointer->size);
myFree(headerPointer + 1);
return block;
}
// Used for the senario where the previous block is free.
// It will add itself to the previous block, move the data
// to the previous block, and then call reallocFromTooBig(...)
void reallocIntoPreviousHeader(header *headerBefore, uint32_t size) {
header *temp = headerBefore->next->next;
headerBefore->size += headerSize + headerBefore->next->size;
myMemmove(headerBefore + 1,
headerBefore->next + 1, headerBefore->next->size);
headerBefore->next = temp;
reallocFromTooBig(headerBefore, size);
}
int _tmain(int argc, _TCHAR* argv[])
{
int c[10] = { 1,2,3,4,5,6,7,8,9,10 };
int d[10];
myMemcpy( d, c, sizeof( int )*10 );
outputArray( c, 10 );
outputArray( d, 10 );
printf( "%d\n", myMemcmp( c, d, sizeof( int )*10 ) );
myMemmove( c, &c[2], sizeof( int )*8 );
outputArray( c, 10 );
myMemmove( &c[2], c, sizeof( int )*8 );
outputArray( c, 10 );
myMemset( d, 0, sizeof( int )*10 );
outputArray( d, 10 );
char a[100] = "123456789";
char b[100] = "abcdefghijklmn";
printf( "%d\n", myStrlen( a ) );
printf( "%d\n", myStrlen( b ) );
printf( "%s\n", myStrcat( b, a ) );
//printf( "%s\n", myStrcat( a, &a[2] ) );
//printf( "%s\n", myStrcat( &a[2], a ) );
printf( "%s\n", a );
printf( "%d\n", myStrcmp( b, a ) );
printf( "%s\n", myStrcpy( b, a ) );
printf( "%s\n", myStrmove( a, &a[3] ) );
printf( "%s\n", myStrmove( &a[4], a ) );
printf( "%s\n", a );
return 0;
}
int main(){
char stra[50] = {0};
char strb[50] = {0};
char strc[50] = {0};
sprintf(stra,"bbeeffABABcdfe");
sprintf(strb,"AB");
sprintf(strc,"ab");
const char * str;
//strstr
if(NULL != (str = myStrstr(stra,strb))){
printf("The str of %s in %s is %s\n",strb,stra,str);
}else{
printf("The %s is not in %s\n",strb,stra);
}
if(NULL != (str = myStrstr(stra,strc))){
printf("The str of %s in %s is %s\n",strc,stra,str);
}else{
printf("The %s is not in %s\n",strc,stra);
}
//firstSingleChar
printf("The firstSingleChar of %s is %c\n",stra,firstSingleChar(stra));
//myStrcpy
printf("The copy of %s is %s\n",stra,myStrcpy(strb,stra));
//myStrtok
char strd[] = "now # is the time for all # good men to come to the # aid of their country";
char delims[] = "#";
char *result = NULL;
result = myStrtok( strd, delims );
while( result != NULL ) {
printf( "result is \"%s\"\n", result );
result = myStrtok( NULL, delims );
}
printf("After myStrtok the str is %s \n",strd);
char stre[] = "abcdefghijklmn";
printf("Before the str is %s \n",stre);
myMemmove(stre,stre + 3,8);
printf("After memmove the str is %s \n",stre);
return 0;
}
