Code improved for less memory

[proxmark3-svn] / client / loclass / fileutils.c

diff --git a/client/loclass/fileutils.c b/client/loclass/fileutils.c
index 255aa313700ef12ced86f1b79d9c2f0584bd3277..90857e7aaf96de7776a7f3ad7bd5c67b26696776 100644 (file)
--- a/client/loclass/fileutils.c
+++ b/client/loclass/fileutils.c
@@ -1,3 +1,41 @@
+/*****************************************************************************
+ * WARNING
+ *
+ * THIS CODE IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY. 
+ * 
+ * USAGE OF THIS CODE IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL 
+ * PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL, 
+ * AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES. 
+ * 
+ * THIS CODE SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS. 
+ *
+ *****************************************************************************
+ *
+ * This file is part of loclass. It is a reconstructon of the cipher engine
+ * used in iClass, and RFID techology.
+ *
+ * The implementation is based on the work performed by
+ * Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
+ * Milosch Meriac in the paper "Dismantling IClass".
+ *
+ * Copyright (C) 2014 Martin Holst Swende
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, or, at your option, any later version. 
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with loclass.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * 
+ ****************************************************************************/
+#ifndef ON_DEVICE
+

 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>


@@ -11,8 +49,14 @@
  * @return
  */
 int fileExists(const char *filename) {
  * @return
  */
 int fileExists(const char *filename) {

+
+#ifdef _WIN32
+       struct _stat st;
+       int result = _stat(filename, &st);
+#else

        struct stat st;
        int result = stat(filename, &st);
        struct stat st;
        int result = stat(filename, &st);

+#endif

        return result == 0;
 }
 
        return result == 0;
 }
 


@@ -34,14 +78,13 @@ int saveFile(const char *preferredName, const char *suffix, const void* data, si
        /*Opening file for writing in binary mode*/
        FILE *fileHandle=fopen(fileName,"wb");
        if(!fileHandle) {
        /*Opening file for writing in binary mode*/
        FILE *fileHandle=fopen(fileName,"wb");
        if(!fileHandle) {

-               PrintAndLog("Failed to write to file '%s'", fileName);
+               prnlog("Failed to write to file '%s'", fileName);

                free(fileName);
                return 1;
        }
        fwrite(data, 1, datalen, fileHandle);
        fclose(fileHandle);
                free(fileName);
                return 1;
        }
        fwrite(data, 1, datalen, fileHandle);
        fclose(fileHandle);

-       PrintAndLog(">Saved data to '%s'", fileName);
-
+       prnlog("Saved data to '%s'", fileName);

        free(fileName);
 
        return 0;
        free(fileName);
 
        return 0;


@@ -57,11 +100,18 @@ int saveFile(const char *preferredName, const char *suffix, const void* data, si
  */
 void prnlog(char *fmt, ...)
 {
  */
 void prnlog(char *fmt, ...)
 {

-
+       char buffer[2048] = {0};

        va_list args;
        va_start(args,fmt);
        va_list args;
        va_start(args,fmt);

-    PrintAndLog(fmt, args);
-    //vprintf(fmt,args);
+       vsprintf (buffer,fmt, args);

        va_end(args);
        va_end(args);

-    //printf("\n");
+       PrintAndLog(buffer);
+
+}
+#else //if we're on ARM
+void prnlog(char *fmt,...)
+{
+       return;

 }
 }

+
+#endif