region_file.c

#include "region_impl.h"
#include "region_file.h"
#include "filename.h"
#include "error.h"
#include <stdlib.h>
 
enum clod_region_result region_file_open(const struct clod_region *r, struct region_file **rf_ptr, const int64_t *pos, const bool create) {
    char filename[REGION_FILENAME_MAX + 1];
    filename_make(filename, r->opts.prefix, r->opts.region_ext, pos, r->opts.dims);
 
    file f;
    auto const res = file_open(&f, r->d, filename, create, &r->opts);
    if (res != CLOD_REGION_OK) {
        return res;
    }
 
    struct region_file *rf = malloc(sizeof(*rf));
    if (!rf) {
        region_error(CLOD_REGION_INVALID_USAGE, "Failed to allocate memory for region file.");
        file_close(f);
        return CLOD_REGION_INVALID_USAGE;
    }
 
    rwmutex_init(&rf->mtx);
    rf->f = f;
    *rf_ptr = rf;
 
    return CLOD_REGION_OK;
}
 
enum clod_region_result region_file_close(struct region_file *f) {
    rwmutex_destroy(&f->mtx);
    auto const res = file_close(f->f);
    free(f);
    return res;
}