Leaked source code of windows server 2003
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/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
hd.c
Abstract:
This module contains the definitions of all constants and structures
used in hd.c
Authors:
Jaime F. Sasson (jaimes) 12-Nov-1990
David J. Gilman (davegi) 12-Nov-1990
Environment:
C run time library
Revision History:
--*/
/************************************
*
* Definition of constants
*
************************************/
#define RECORD_SIZE 16 // Maximum size of a record. A record is a
// buffer that contains a set of bytes read
// from the file, in order to be converted and
// displayed.
#define LINE_SIZE 160 // Size of the buffer that will contain the
// representation of a record. Such a buffer
// can be bigger than one line (80 characters)
// depending on the arguments passed to hd
// (eg. -cC -A). For this reason, the size of
// this buffer was made 160 (size of two lines
// in the screen, wich is large enough to
// contain all characters converted.
#define BUFFER_SIZE 512 // Size of the buffer that will contain data read
// from the file to be displayed. The file will
// be accessed to obtain blocks of BUFFER_SIZE
// characters
/************************************
*
* ASCII characters
*
************************************/
#define DOT '.'
#define SPACE ' '
#define NUL '\0'
/************************************
*
* Messages used by sprintf
*
************************************/
#define MSG_ADDR_FIELD " "
#define MSG_ADDR_DEC_FMT "%010lu"
#define MSG_ADDR_HEX_FMT "%08lx"
#define MSG_SINGLE_BYTE_DEC_FMT "%3u"
#define MSG_SINGLE_BYTE_HEX_FMT "%02x"
#define MSG_SINGLE_WORD_DEC_FMT "%5u"
#define MSG_SINGLE_WORD_HEX_FMT "%04x"
#define MSG_WORD_BYTE_DEC_FMT "%5u %3u"
#define MSG_WORD_BYTE_HEX_FMT "%04x %02x"
#define MSG_DATA_ASCII_FMT MSG_ADDR_FIELD \
"%s %s %s %s %s %s %s %s " \
"%s %s %s %s %s %s %s %s "
#define MSG_DATA_BYTE_DEC_FMT MSG_ADDR_FIELD \
"%3u %3u %3u %3u %3u %3u %3u %3u " \
"%3u %3u %3u %3u %3u %3u %3u %3u "
#define MSG_DATA_BYTE_HEX_FMT MSG_ADDR_FIELD \
"%02x %02x %02x %02x %02x %02x %02x %02x " \
"%02x %02x %02x %02x %02x %02x %02x %02x "
#define MSG_DATA_WORD_DEC_FMT MSG_ADDR_FIELD \
"%5u %5u %5u %5u %5u %5u %5u %5u "
#define MSG_DATA_WORD_HEX_FMT MSG_ADDR_FIELD \
"%04x %04x %04x %04x %04x %04x %04x %04x "
#define MSG_DATA_DWORD_DEC_FMT MSG_ADDR_FIELD \
"%10lu %10lu %10lu %10lu "
#define MSG_DATA_DWORD_HEX_FMT MSG_ADDR_FIELD \
"%08lx %08lx %08lx %08lx "
#define MSG_PRINT_CHAR_FMT "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c"
/************************************
*
* Help Message
*
************************************/
#define HELP_MESSAGE "\n" \
"usage: hd [options] [file1] [file2] ... \n" \
"options: \n" \
" -ad|x displays address in decimal or hex \n" \
" -A append printable characters to the end of the line\n" \
" -ch|C|e|r displays bytes as ascii (characters, ascii C, \n" \
" acsii code or ascii ctrl) \n" \
" -bd|x displays byte as decimal or hex number \n" \
" -wd|x displays word as decimal or hex number \n" \
" -ld|x displays dword as decimal or hex number \n" \
" -s <offset> starting address \n" \
" -n <number> number of bytes to interpret \n" \
" -i supresses printing redundant lines\n" \
" -?|h|H displays this help message \n" \
"\n" \
"default: -ax -bx -A \n" \
"\n"
/************************************
*
* Enumerations
*
************************************/
typedef enum _FORMAT { // Possible formats used to display data
ASCII_CHAR,
ASCII_C,
ASCII_CODE,
ASCII_CTRL,
BYTE_DEC,
BYTE_HEX,
WORD_DEC,
WORD_HEX,
DWORD_DEC,
DWORD_HEX,
PRINT_CHAR
} FORMAT;
typedef enum _BASE { // Bases used to display numbers
DEC,
HEX
} BASE;
typedef enum _YESNO { // Options for DumpAscii
NOT_DEFINED,
YES,
NO
} YESNO;