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Diff for /src/usr.bin/less/less.h between version 1.6 and 1.7

version 1.6, 2003/06/07 03:35:19

version 1.7, 2011/09/16 18:12:09

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* You may distribute under the terms of either the GNU General Public

* License or the Less License, as specified in the README file.

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* contact the author, see the README file.

#define NEWBOT 1

* Standard include file for "less".

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#if HAVE_CTYPE_H

#include <ctype.h>

#endif

#if HAVE_WCTYPE_H

#include <wctype.h>

#endif

#if HAVE_LIMITS_H

#include <limits.h>

#endif

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#if HAVE_STRING_H

#include <string.h>

#endif

/* OS-specific includes */

#ifdef _OSK

#include <modes.h>

#include <strings.h>

#endif

#ifdef __TANDEM

#include <floss.h>

#endif

#if MSDOS_COMPILER==WIN32C || OS2

#include <io.h>

#endif

#if MSDOS_COMPILER==DJGPPC

#include <io.h>

#include <sys/exceptn.h>

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* Simple lowercase test which can be used during option processing

* (before options are parsed which might tell us what charset to use).

#define SIMPLE_IS_UPPER(c) ((c) >= 'A' && (c) <= 'Z')

#define ASCII_IS_UPPER(c) ((c) >= 'A' && (c) <= 'Z')

#define SIMPLE_IS_LOWER(c) ((c) >= 'a' && (c) <= 'z')

#define ASCII_IS_LOWER(c) ((c) >= 'a' && (c) <= 'z')

#define SIMPLE_TO_UPPER(c) ((c) - 'a' + 'A')

#define ASCII_TO_UPPER(c) ((c) - 'a' + 'A')

#define SIMPLE_TO_LOWER(c) ((c) - 'A' + 'a')

#define ASCII_TO_LOWER(c) ((c) - 'A' + 'a')

#if !HAVE_UPPER_LOWER

#undef IS_UPPER

#define isupper(c) SIMPLE_IS_UPPER(c)

#undef IS_LOWER

#define islower(c) SIMPLE_IS_LOWER(c)

#undef TO_UPPER

#define toupper(c) SIMPLE_TO_UPPER(c)

#undef TO_LOWER

#define tolower(c) SIMPLE_TO_LOWER(c)

#undef IS_SPACE

#undef IS_DIGIT

#if HAVE_WCTYPE

#define IS_UPPER(c) iswupper(c)

#define IS_LOWER(c) iswlower(c)

#define TO_UPPER(c) towupper(c)

#define TO_LOWER(c) towlower(c)

#else

#if HAVE_UPPER_LOWER

#define IS_UPPER(c) isupper((unsigned char) (c))

#define IS_LOWER(c) islower((unsigned char) (c))

#define TO_UPPER(c) toupper((unsigned char) (c))

#define TO_LOWER(c) tolower((unsigned char) (c))

#else

#define IS_UPPER(c) ASCII_IS_UPPER(c)

#define IS_LOWER(c) ASCII_IS_LOWER(c)

#define TO_UPPER(c) ASCII_TO_UPPER(c)

#define TO_LOWER(c) ASCII_TO_LOWER(c)

#endif

#ifdef isspace

#define IS_SPACE(c) isspace((unsigned char)(c))

#else

#define IS_SPACE(c) ((c) == ' ' || (c) == '\t' || (c) == '\n' || (c) == '\r' || (c) == '\f')

#endif

#ifdef isdigit

#define IS_DIGIT(c) isdigit((unsigned char)(c))

#else

#define IS_DIGIT(c) ((c) >= '0' && (c) <= '9')

#endif

#define IS_CSI_START(c) (((LWCHAR)(c)) == ESC || (((LWCHAR)(c)) == CSI))

#ifndef NULL

#define NULL 0

#endif

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#endif

#if HAVE_SNPRINTF

#define SNPRINTF1(str, size, fmt, v1) snprintf((str), (size), (fmt), (v1))

#define SNPRINTF2(str, size, fmt, v1, v2) snprintf((str), (size), (fmt), (v1), (v2))

#define SNPRINTF3(str, size, fmt, v1, v2, v3) snprintf((str), (size), (fmt), (v1), (v2), (v3))

#define SNPRINTF4(str, size, fmt, v1, v2, v3, v4) snprintf((str), (size), (fmt), (v1), (v2), (v3), (v4))

#else

/* Use unsafe sprintf if we don't have snprintf. */

#define SNPRINTF1(str, size, fmt, v1) sprintf((str), (fmt), (v1))

#define SNPRINTF2(str, size, fmt, v1, v2) sprintf((str), (fmt), (v1), (v2))

#define SNPRINTF3(str, size, fmt, v1, v2, v3) sprintf((str), (fmt), (v1), (v2), (v3))

#define SNPRINTF4(str, size, fmt, v1, v2, v3, v4) sprintf((str), (fmt), (v1), (v2), (v3), (v4))

#endif

#define BAD_LSEEK ((off_t)-1)

#ifndef SEEK_SET

#define SEEK_SET 0

#endif

#ifndef SEEK_END

#define SEEK_END 2

#endif

#ifndef CHAR_BIT

#define CHAR_BIT 8

#endif

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* Special types and constants.

typedef unsigned long LWCHAR;

typedef off_t POSITION;

typedef off_t LINENUM;

#define MIN_LINENUM_WIDTH 7 /* Min printing width of a line number */

#define MAX_UTF_CHAR_LEN 6 /* Max bytes in one UTF-8 char */

#define NULL_POSITION ((POSITION)(-1))

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#define READ_INTR (-2)

/* A fraction is represented by an int n; the fraction is n/NUM_FRAC_DENOM */

#define NUM_FRAC_DENOM 1000000

#define NUM_LOG_FRAC_DENOM 6

/* How quiet should we be? */

#define NOT_QUIET 0 /* Ring bell at eof and for errors */

#define LITTLE_QUIET 1 /* Ring bell only for errors */

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#define BS_CONTROL 2 /* \b treated as control char; prints as ^H */

/* How should we search? */

#define SRCH_FORW 000001 /* Search forward from current position */

#define SRCH_FORW (1 << 0) /* Search forward from current position */

#define SRCH_BACK 000002 /* Search backward from current position */

#define SRCH_BACK (1 << 1) /* Search backward from current position */

#define SRCH_NO_MOVE 000004 /* Highlight, but don't move */

#define SRCH_NO_MOVE (1 << 2) /* Highlight, but don't move */

#define SRCH_FIND_ALL 000010 /* Find and highlight all matches */

#define SRCH_FIND_ALL (1 << 4) /* Find and highlight all matches */

#define SRCH_NO_MATCH 000100 /* Search for non-matching lines */

#define SRCH_NO_MATCH (1 << 8) /* Search for non-matching lines */

#define SRCH_PAST_EOF 000200 /* Search past end-of-file, into next file */

#define SRCH_PAST_EOF (1 << 9) /* Search past end-of-file, into next file */

#define SRCH_FIRST_FILE 000400 /* Search starting at the first file */

#define SRCH_FIRST_FILE (1 << 10) /* Search starting at the first file */

#define SRCH_NO_REGEX 001000 /* Don't use regular expressions */

#define SRCH_NO_REGEX (1 << 12) /* Don't use regular expressions */

#define SRCH_FILTER (1 << 13) /* Search is for '&' (filter) command */

#define SRCH_AFTER_TARGET (1 << 14) /* Start search after the target line */

#define SRCH_REVERSE(t) (((t) & SRCH_FORW) ? \

(((t) & ~SRCH_FORW) | SRCH_BACK) : \

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#define CF_QUIT_ON_ERASE 0001 /* Abort cmd if its entirely erased */

/* Special chars used to tell put_line() to do something special */

/* Special char bit-flags used to tell put_line() to do something special */

#define AT_NORMAL (0)

#define AT_UNDERLINE (1)

#define AT_UNDERLINE (1 << 0)

#define AT_BOLD (2)

#define AT_BOLD (1 << 1)

#define AT_BLINK (3)

#define AT_BLINK (1 << 2)

#define AT_INVIS (4)

#define AT_STANDOUT (1 << 3)

#define AT_STANDOUT (5)

#define AT_ANSI (1 << 4) /* Content-supplied "ANSI" escape sequence */

#define AT_BINARY (1 << 5) /* LESS*BINFMT representation */

#define AT_HILITE (1 << 6) /* Internal highlights (e.g., for search) */

#if '0' == 240

#define IS_EBCDIC_HOST 1

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#endif /* IS_EBCDIC_HOST */

#define ESC CONTROL('[')

#define CSI ((unsigned char)'\233')

#if _OSK_MWC32

#define LSIGNAL(sig,func) os9_signal(sig,func)

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#define QUIT_OK 0

#define QUIT_ERROR 1

#define QUIT_INTERRUPT 2

#define QUIT_SAVED_STATUS (-1)

#define FOLLOW_DESC 0

#define FOLLOW_NAME 1

/* filestate flags */

#define CH_CANSEEK 001

#define CH_KEEPOPEN 002

#define CH_POPENED 004

#define CH_HELPFILE 010

#define ch_zero() ((POSITION)0)

/* Flags for cvt_text */

#define CVT_TO_LC 01 /* Convert upper-case to lower-case */

#define CVT_BS 02 /* Do backspace processing */

#define CVT_CRLF 04 /* Remove CR after LF */

#define CVT_ANSI 010 /* Remove ANSI escape sequences */

#include "funcs.h"