adjusted file dependant functions

when LTC_NO_FILE is defined, the functions hash_filehandle()
and hash_file() won't be available at all instead of returning CRYPT_NOP

src/hashes/helper/hash_file.c

@@ -10,6 +10,7 @@
  */
 #include "tomcrypt.h"
 
+#ifndef LTC_NO_FILE
 /** 
   @file hash_file.c
   Hash a file, Tom St Denis
@@ -24,9 +25,6 @@
 */
 int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen)
 {
-#ifdef LTC_NO_FILE
-    return CRYPT_NOP;
-#else
     FILE *in;
     int err;
     LTC_ARGCHK(fname  != NULL);
@@ -48,8 +46,8 @@ int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *ou
     }
 
     return err;
-#endif
 }
+#endif /* #ifndef LTC_NO_FILE */
 
 
 /* $Source$ */

src/hashes/helper/hash_filehandle.c

@@ -10,6 +10,7 @@
  */
 #include "tomcrypt.h"
 
+#ifndef LTC_NO_FILE
 /**
    @file hash_filehandle.c
    Hash open files, Tom St Denis
@@ -25,9 +26,6 @@
 */
 int hash_filehandle(int hash, FILE *in, unsigned char *out, unsigned long *outlen)
 {
-#ifdef LTC_NO_FILE
-    return CRYPT_NOP;
-#else
     hash_state md;
     unsigned char buf[512];
     size_t x;
@@ -62,8 +60,8 @@ int hash_filehandle(int hash, FILE *in, unsigned char *out, unsigned long *outle
     zeromem(buf, sizeof(buf));
 #endif
     return err;
-#endif
 }
+#endif /* #ifndef LTC_NO_FILE */
 
 
 /* $Source$ */

src/headers/tomcrypt_hash.h

@@ -334,8 +334,11 @@ int hash_memory(int hash,
                       unsigned char *out, unsigned long *outlen);
 int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen,
                       const unsigned char *in, unsigned long inlen, ...);
+
+#ifndef LTC_NO_FILE
 int hash_filehandle(int hash, FILE *in, unsigned char *out, unsigned long *outlen);
 int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen);
+#endif
 
 /* a simple macro for making hash "process" functions */
 #define HASH_PROCESS(func_name, compress_name, state_var, block_size)                       \