lonely-tiger/StringIntMap.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "StringIntMap.h"

void simInit(StringIntMap* sim) {
    sim->capacity = 16;
    sim->entries = 0;
    sim->stringData = malloc(sizeof(const char*) * sim->capacity);
    sim->intData = malloc(sizeof(int) * sim->capacity);
}

void simDelete(StringIntMap* sim) {
    free(sim->stringData);
    free(sim->intData);
}

bool simSearch(StringIntMap* sim, const char* s, int* mapping) {
    for(int i = 0; i < sim->entries; i++) {
        if(strcmp(s, sim->stringData[i]) == 0) {
            *mapping = sim->intData[i];
            return true;
        }
    }
    return false;
}

bool simAdd(StringIntMap* sim, const char* s, int* mapping) {
    if(simSearch(sim, s, mapping)) {
        return false;
    } else if(sim->entries >= sim->capacity) {
        sim->capacity *= 2;
        sim->stringData = realloc(sim->stringData, sizeof(const char*) * sim->capacity);
        sim->intData = realloc(sim->intData, sizeof(int) * sim->capacity);
    }
    int index = sim->entries++;
    sim->stringData[index] = s;
    sim->intData[index] = *mapping;
    return true;
}