1 /* 2 * Helper to hexdump a buffer 3 * 4 * Copyright (c) 2013 Red Hat, Inc. 5 * Copyright (c) 2013 Gerd Hoffmann <kraxel@redhat.com> 6 * Copyright (c) 2013 Peter Crosthwaite <peter.crosthwaite@xilinx.com> 7 * Copyright (c) 2013 Xilinx, Inc 8 * 9 * This work is licensed under the terms of the GNU GPL, version 2. See 10 * the COPYING file in the top-level directory. 11 * 12 * Contributions after 2012-01-13 are licensed under the terms of the 13 * GNU GPL, version 2 or (at your option) any later version. 14 */ 15 16 #include "qemu/osdep.h" 17 #include "qemu-common.h" 18 19 void qemu_hexdump(const char *buf, FILE *fp, const char *prefix, size_t size) 20 { 21 unsigned int b, len, i, c; 22 23 for (b = 0; b < size; b += 16) { 24 len = size - b; 25 if (len > 16) { 26 len = 16; 27 } 28 fprintf(fp, "%s: %04x:", prefix, b); 29 for (i = 0; i < 16; i++) { 30 if ((i % 4) == 0) { 31 fprintf(fp, " "); 32 } 33 if (i < len) { 34 fprintf(fp, " %02x", (unsigned char)buf[b + i]); 35 } else { 36 fprintf(fp, " "); 37 } 38 } 39 fprintf(fp, " "); 40 for (i = 0; i < len; i++) { 41 c = buf[b + i]; 42 if (c < ' ' || c > '~') { 43 c = '.'; 44 } 45 fprintf(fp, "%c", c); 46 } 47 fprintf(fp, "\n"); 48 } 49 } 50