region_open.c

#include <clod/region.h>
#include "region_impl.h"
#include "error.h"
#include <stdlib.h>
#include <string.h>
 
 
struct clod_region *clod_region_open(const char *path, const struct clod_region_opts *opts) {
    struct clod_region *r = malloc(sizeof(struct clod_region));
    if (!r) return nullptr;
 
    memset(r, 0, sizeof(struct clod_region));
    if (!read_opts(&r->opts, opts)) {
        free(r);
        return nullptr;
    }
 
    mutex_init(&r->mtx);
    auto const res = dir_open(&r->d, path, &r->opts);
    if (res != CLOD_REGION_OK) {
        mutex_destroy(&r->mtx);
        free(r);
        return nullptr;
    }
 
    r->cache_len = 0;
    r->cache = nullptr;
 
    return r;
}
enum clod_region_result clod_region_close(struct clod_region *r) {
    if (r->inside != 0) {
        region_error(CLOD_REGION_INVALID_USAGE, "Attempted to close region while still in use.");
        exit(EXIT_FAILURE);
    }
 
    mutex_destroy(&r->mtx);
    auto const dir_res = dir_close(r->d);
    auto const fc_res = file_cache_destroy(r);
    free(r);
    return dir_res != CLOD_REGION_OK ? dir_res : fc_res;
}