minor: cleaned up code and updated docs wrt #1195

docs/changes.txt

@@ -25,6 +25,7 @@
 - Fixed --remove was not applied in case all hashes have been cracked by potfile or weak-hash check
 - Fixed a race condition when a session finishes the input-base was freed but accessed afterwards
 - Fixed a hash validation error when trying to load Android FDE < 4.3 hashes
+- Fixed --outfile-format 11 up to --outfile-format 15: the crack position was not correctly outputted
 
 ##
 ## Technical

src/outfile.c

@@ -343,17 +343,6 @@ void outfile_write_close (hashcat_ctx_t *hashcat_ctx)
   fclose (outfile_ctx->fp);
 }
 
-int numDigits(u64 number)
-{
-    int digits = 0;
-    while (number) {
-        number /= 10;
-        digits++;
-    }
-    return digits;
-}
-
-
 int outfile_write (hashcat_ctx_t *hashcat_ctx, const char *out_buf, const unsigned char *plain_ptr, const u32 plain_len, const u64 crackpos, const unsigned char *username, const u32 user_len, char tmp_buf[HCBUFSIZ_LARGE])
 {
   const hashconfig_t   *hashconfig   = hashcat_ctx->hashconfig;
@@ -444,9 +433,7 @@ int outfile_write (hashcat_ctx_t *hashcat_ctx, const char *out_buf, const unsign
 
   if (outfile_ctx->outfile_format & OUTFILE_FMT_CRACKPOS)
   {
-    int digit_len = numDigits(crackpos);
-    snprintf (tmp_buf + tmp_len, HCBUFSIZ_LARGE - tmp_len, "%" PRIu64, crackpos);
-    tmp_len += digit_len + 1 ;
+    tmp_len += snprintf (tmp_buf + tmp_len, HCBUFSIZ_LARGE - tmp_len, "%" PRIu64, crackpos);
   }
 
   tmp_buf[tmp_len] = 0;