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vector.c
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vector.c
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#include "vector.h"
/* Checks if the whole vector is occupied, if it is,
reallocates space for the vector. */
void checkVectorSize(Vector vector);
Vector initVector(int size)
{
Vector vector = (Vector) malloc(sizeof(struct vec));
vector->elements = (unsigned long*) malloc(sizeof(unsigned long) * size);
vector->length = 0;
vector->sizeUsed = size;
return vector;
}
void freeVector(Vector vector)
{
free(vector->elements);
free(vector);
}
void addElementVec(Vector vector, unsigned long element)
{
vector->elements[vector->length] = element;
checkVectorSize(vector);
vector->length++;
}
int hasElementVec(Vector vector, unsigned long element)
{
int i;
for (i = 0; i < vector->length; i++) {
if (vector->elements[i] == element) {
return 1;
}
}
return 0;
}
void checkVectorSize(Vector vector)
{
if (vector->length == vector->sizeUsed) {
vector->sizeUsed *= 2;
vector->elements = (unsigned long*) realloc(vector->elements, sizeof(unsigned long) * vector->sizeUsed);
}
}