core/state.c


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/*
 * Copyright (c) 2026, Apollo Telephone Laboratories.
 * Provided under the BSD-3 clause.
 */

#include <stdio.h>
#include "defconf/state.h"

int
defconf_state_init(const char *in_path, struct defconf_state *state)
{
    int error;

    if (in_path == NULL || state == NULL) {
        return -1;
    }

    state->in_fp = fopen(in_path, "r");
    if (state->in_fp == NULL) {
        perror("fopen");
        return -1;
    }

    if ((error = ptrbox_init(&state->ptrbox)) < 0) {
        fclose(state->in_fp);
        printf("fatal: failed to create pointer box\n");
        return error;
    }

    state->lex_cache = '\0';
    return 0;
}

void
defconf_state_destroy(struct defconf_state *state)
{
    if (state == NULL) {
        return;
    }

    fclose(state->in_fp);
    state->in_fp = NULL;
    ptrbox_destroy(&state->ptrbox);
}