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CVector.h
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CVector.h
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//
// CVector.h
// iTerm
//
// Created by George Nachman on 3/5/14.
//
//
#import <Foundation/Foundation.h>
// A vector of pointers that is fast and simple.
typedef struct {
int capacity;
void **elements;
int count;
} CVector;
NS_INLINE void CVectorCreate(CVector *vector, int capacity) {
vector->capacity = capacity;
vector->elements = (void **)malloc(vector->capacity * sizeof(void *));
vector->count = 0;
}
NS_INLINE void CVectorDestroy(const CVector *vector) {
free(vector->elements);
}
NS_INLINE void *CVectorGet(const CVector *vector, int index) {
return vector->elements[index];
}
NS_INLINE int CVectorCount(const CVector *vector) {
return vector->count;
}
NS_INLINE id CVectorGetObject(const CVector *vector, int index) {
return (id) vector->elements[index];
}
NS_INLINE void CVectorSet(const CVector *vector, int index, void *value) {
vector->elements[index] = value;
}
NS_INLINE void CVectorAppend(CVector *vector, void *value) {
if (vector->count + 1 == vector->capacity) {
vector->capacity *= 2;
vector->elements = realloc(vector->elements, sizeof(void *) * vector->capacity);
}
vector->elements[vector->count++] = value;
}
NS_INLINE id CVectorLastObject(const CVector *vector) {
if (vector->count == 0) {
return nil;
}
return CVectorGet(vector, vector->count - 1);
}