Function fread_orDie

freebsd/contrib/zstd/examples/common.h:126–134

! fread_orDie() : * * Read sizeToRead bytes from a given file, storing them at the * location given by buffer. * * @return The number of bytes read. */

 * @return The number of bytes read.
 */
static size_t fread_orDie(void* buffer, size_t sizeToRead, FILE* file)
{
    size_t const readSize = fread(buffer, 1, sizeToRead, file);
    if (readSize == sizeToRead) return readSize;   /* good */
    if (feof(file)) return readSize;   /* good, reached end of file */
    /* error */
    perror("fread");
    exit(ERROR_fread);
}

/*! fwrite_orDie() :
 *