modifying some nessie test suits (mac & hash) to use less RAM

[avr-crypto-lib.git] / test_src / dbz_strings.c

diff --git a/test_src/dbz_strings.c b/test_src/dbz_strings.c
new file mode 100644 (file)
index 0000000..436bf8c
--- /dev/null
+++ b/test_src/dbz_strings.c
@@ -0,0 +1,95 @@
+/* dbz_strings.c */
+/*
+ *   This file is part of AnonAccess, an access system which can be used
+ *    to open door or doing other things with an anonymity featured
+ *    account managment.
+ *   Copyright (C) 2006, 2007, 2008, 2009  Daniel Otte (daniel.otte@rub.de)
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+/*
+ * author: Daniel Otte
+ * email:  daniel.otte@rub.de
+ * license: GPLv3
+ * 
+ * */
+
+#include <stdint.h>
+#include <string.h>
+#include <avr/pgmspace.h>
+ 
+/******************************************************************************/
+
+uint8_t dbz_strcount(const char* str){
+       uint8_t ret=1;
+       if(*str=='\0' && *(str+1)=='\0')
+                       return 0;
+       for(;;){
+               while(*str++)
+                       ;
+               if(*str=='\0')
+                       return ret;
+               ++ret;
+       }       
+}
+
+/******************************************************************************/
+
+void dbz_splitup(char* dbzstr, char** strings){
+       if(*dbzstr=='\0' && *(dbzstr+1)=='\0')
+               return;
+       *strings++ = dbzstr;
+       for(;;){        
+               while(*dbzstr++)
+                       ;
+               if(*dbzstr=='\0')
+                       return;
+               *strings++ = dbzstr;
+       }
+}
+
+/******************************************************************************/
+
+uint8_t dbz_strcount_P(PGM_P str){
+       uint8_t ret=1;
+       if(pgm_read_byte(str)=='\0' && pgm_read_byte(str+1)=='\0')
+                       return 0;
+       for(;;){
+               while(pgm_read_byte(str++))
+                       ;
+               if(pgm_read_byte(str)=='\0')
+                       return ret;
+               ++ret;
+       }       
+}
+
+/******************************************************************************/
+
+void dbz_splitup_P(PGM_P dbzstr, PGM_P* strings){
+       if(pgm_read_byte(dbzstr)=='\0' && pgm_read_byte(dbzstr+1)=='\0')
+               return;
+       *strings++ = dbzstr;
+       for(;;){        
+               while(pgm_read_byte(dbzstr++))
+                       ;
+               if(pgm_read_byte(dbzstr)=='\0')
+                       return;
+               *strings++ = dbzstr;
+       }
+}
+
+/******************************************************************************/
+