adding old command-line-tool

[labortage2013badge.git] / hostware / commandline / hexdump.c

diff --git a/hostware/commandline/hexdump.c b/hostware/commandline/hexdump.c
new file mode 100644 (file)
index 0000000..6fb3742
--- /dev/null
+++ b/hostware/commandline/hexdump.c
@@ -0,0 +1,74 @@
+/* hexdump.c */
+/*
+    This file is part of the ARM-Crypto-Lib.
+    Copyright (C) 2006-2011 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/>.
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdint.h>
+
+static
+void int_hexdump_line_buffer(FILE* stream, uint8_t* buffer, unsigned width, unsigned fill){
+       unsigned i;
+       for(i=0; i<width; ++i){
+               if(i<fill){
+                       fprintf(stream, "%2.2x ", buffer[i]);
+               }else{
+                       fputs("   ", stream);
+               }
+       }
+       fputs("    |", stream);
+       for(i=0; i<width; ++i){
+               if(i<fill){
+                       if(isgraph(buffer[i])){
+                               fputc(buffer[i], stream);
+                       }else
+                               fputc('.', stream);
+               }else{
+                       fputs(" ", stream);
+               }
+       }
+       fputc('|', stream);
+
+}
+
+
+void hexdump_block(FILE* stream, void* block, void* print_addr, unsigned length, unsigned width){
+       uint8_t buffer[width];
+       unsigned index=0;
+       while(length>width){
+               memcpy(buffer, block, width);
+               if(print_addr){
+                       fprintf(stream, "%8.8x ", (uint32_t)print_addr);
+                       print_addr = (uint8_t*)print_addr + width;
+               }
+               fprintf(stream, "<%4.4x>: ", index);
+               int_hexdump_line_buffer(stream, buffer, width, width);
+               fputc('\n', stream);
+               block = (uint8_t*)block + width;
+               length -= width;
+               index += width;
+       }
+       memcpy(buffer, block, length);
+       if(print_addr){
+               fprintf(stream, "%8.8x ", (uint32_t)print_addr);
+       }
+       fprintf(stream, "<%4.4x>: ", index);
+       int_hexdump_line_buffer(stream, buffer, width, length);
+       fputc('\n', stream);
+}