+/* 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);
+}