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Diffstat (limited to 'util/lxbios/hexdump.c')
-rw-r--r-- | util/lxbios/hexdump.c | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/util/lxbios/hexdump.c b/util/lxbios/hexdump.c deleted file mode 100644 index b5c81f0866..0000000000 --- a/util/lxbios/hexdump.c +++ /dev/null @@ -1,248 +0,0 @@ -/*****************************************************************************\ - * hexdump.c - * $Id$ -\*****************************************************************************/ - -#include "hexdump.h" - -/* hexdump.c - * - * Copyright (C) 2002 - * David S. Peterson. All rights reserved. - * - * Author: David S. Peterson <dave_peterson@pobox.com> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions, and the entire permission notice, including - * the following disclaimer of warranties. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions, and the entire permission notice, - * including the following disclaimer in the documentation and/or other - * materials provided with the distribution. - * 3. The name(s) of the author(s) may not be used to endorse or promote - * products derived from this software without specific prior written - * permission. - * - * ALTERNATIVELY, this product may be distributed under the terms of the GNU - * General Public License, in which case the provisions of the GPL are - * required INSTEAD OF the above restrictions. (This clause is necessary due - * to a potential bad interaction between the GPL and the restrictions - * contained in a BSD-style copyright.) - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -static void addrprint (FILE *outfile, uint64_t address, int width); -static void hexprint (FILE *outfile, unsigned char byte); -static void charprint (FILE *outfile, unsigned char byte, - unsigned char nonprintable, - is_printable_fn_t is_printable_fn); - -/*-------------------------------------------------------------------------- - * hexdump - * - * Write a hex dump of 'mem' to 'outfile'. - * - * parameters: - * mem: a pointer to the memory to display - * bytes: the number of bytes of data to display - * addrprint_start: The address to associate with the first byte of - * data. For instance, a value of 0 indicates that the - * first byte displayed should be labeled as byte 0. - * outfile: The place where the hex dump should be written. - * For instance, stdout or stderr may be passed here. - * format: A structure specifying how the hex dump should be - * formatted. - *--------------------------------------------------------------------------*/ -void hexdump (const void *mem, int bytes, uint64_t addrprint_start, - FILE *outfile, const hexdump_format_t *format) - { int bytes_left, index, i; - const unsigned char *p; - is_printable_fn_t is_printable_fn; - - /* Quietly return if the caller asks us to do something unreasonable. */ - if ((format->bytes_per_line <= 0) || (bytes < 0)) - return; - - is_printable_fn = format->is_printable_fn; - - if (is_printable_fn == NULL) - is_printable_fn = default_is_printable_fn; - - p = (const unsigned char *) mem; - index = 0; - - /* Each iteration handles one full line of output. When loop terminates, - * the number of remaining bytes to display (if any) will not be enough to - * fill an entire line. - */ - for (bytes_left = bytes; - bytes_left >= format->bytes_per_line; - bytes_left -= format->bytes_per_line) - { /* print start address for current line */ - fprintf(outfile, format->indent); - addrprint(outfile, addrprint_start + index, format->addrprint_width); - fprintf(outfile, format->sep1); - - /* display the bytes in hex */ - for (i = 0; ; ) - { hexprint(outfile, p[index++]); - - if (++i >= format->bytes_per_line) - break; - - fprintf(outfile, format->sep2); - } - - index -= format->bytes_per_line; - fprintf(outfile, format->sep3); - - /* display the bytes as characters */ - for (i = 0; i < format->bytes_per_line; i++) - charprint(outfile, p[index++], format->nonprintable, - is_printable_fn); - - fprintf(outfile, "\n"); - } - - if (bytes_left == 0) - return; - - /* print start address for last line */ - fprintf(outfile, format->indent); - addrprint(outfile, addrprint_start + index, format->addrprint_width); - fprintf(outfile, format->sep1); - - /* display bytes for last line in hex */ - for (i = 0; i < bytes_left; i++) - { hexprint(outfile, p[index++]); - fprintf(outfile, format->sep2); - } - - index -= bytes_left; - - /* pad the rest of the hex byte area with spaces */ - for (; ; ) - { fprintf(outfile, " "); - - if (++i >= format->bytes_per_line) - break; - - fprintf(outfile, format->sep2); - } - - fprintf(outfile, format->sep3); - - /* display bytes for last line as characters */ - for (i = 0; i < bytes_left; i++) - charprint(outfile, p[index++], format->nonprintable, is_printable_fn); - - /* pad the rest of the character area with spaces */ - for (; i < format->bytes_per_line; i++) - fprintf(outfile, " "); - - fprintf(outfile, "\n"); - } - -/*-------------------------------------------------------------------------- - * default_is_printable_fn - * - * Determine whether the input character is printable. The proper behavior - * for this type of function may be system-dependent. This function takes a - * conservative approach. If it is not adequate for your purposes, you can - * write your own. - * - * parameters: - * c: the input character - * - * return value: - * Return 1 if the input character is printable. Otherwise return 0. - *--------------------------------------------------------------------------*/ -int default_is_printable_fn (unsigned char c) - { return (c >= 0x20) && (c <= 0x7e); } - -/*-------------------------------------------------------------------------- - * addrprint - * - * Display an address as a hexadecimal number. - * - * parameters: - * outfile: the place where the output should be written - * address: the address to display - * width: The number of bytes wide the address should be displayed as. - * Must be a value from 1 to 8. - *--------------------------------------------------------------------------*/ -static void addrprint (FILE *outfile, uint64_t address, int width) - { char s[17]; - int i; - - /* force the user's input to be valid */ - if (width < 1) - width = 1; - else if (width > 8) - width = 8; - - /* convert address to string */ - sprintf(s, "%016llx", (unsigned long long) address); - - /* write it out, with colons separating consecutive 16-bit chunks of the - * address - */ - for (i = 16 - (2 * width); ; ) - { fprintf(outfile, "%c", s[i]); - - if (++i >= 16) - break; - - if ((i % 4) == 0) - fprintf(outfile, ":"); - } - } - -/*-------------------------------------------------------------------------- - * hexprint - * - * Display a byte as a two digit hex value. - * - * parameters: - * outfile: the place where the output should be written - * byte: the byte to display - *--------------------------------------------------------------------------*/ -static void hexprint (FILE *outfile, unsigned char byte) - { static const char tbl[] = - { '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' - }; - - fprintf(outfile, "%c%c", tbl[byte >> 4], tbl[byte & 0x0f]); - } - -/*-------------------------------------------------------------------------- - * charprint - * - * Display a byte as its character representation. - * - * parameters: - * outfile: the place where the output should be written - * byte: the byte to display - * nonprintable: a substitute character to display if the byte - * represents a nonprintable character - * is_printable_fn: a function that returns a boolean value indicating - * whether a given character is printable - *--------------------------------------------------------------------------*/ -static void charprint (FILE *outfile, unsigned char byte, - unsigned char nonprintable, - is_printable_fn_t is_printable_fn) - { fprintf(outfile, "%c", is_printable_fn(byte) ? byte : nonprintable); } |