/* LibTomCrypt, modular cryptographic library -- Tom St Denis * * LibTomCrypt is a library that provides various cryptographic * algorithms in a highly modular and flexible manner. * * The library is free for all purposes without any express * guarantee it works. * * Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org */#include "mycrypt.h"int hash_file(int hash, const char *fname, unsigned char *dst, unsigned long *outlen){#ifdef NO_FILE    return CRYPT_NOP;#else    FILE *in;    int err;    _ARGCHK(fname  != NULL);    _ARGCHK(dst    != NULL);    _ARGCHK(outlen != NULL);    if ((err = hash_is_valid(hash)) != CRYPT_OK) {        return err;    }    in = fopen(fname, "rb");    if (in == NULL) {        return CRYPT_FILE_NOTFOUND;    }    err = hash_filehandle(hash, in, dst, outlen);    if (fclose(in) != 0) {       return CRYPT_ERROR;    }    return err;#endif}