Imported from /srv/lorry/lorry-area/less/less-451.tar.gz.HEADless-451masterbaserock/morph

1 files changed, 506 insertions, 0 deletions

diff --git a/less.h b/less.h
new file mode 100755
index 0000000..fada513
--- /dev/null
+++ b/less.h
@@ -0,0 +1,506 @@
+/*
+ * Copyright (C) 1984-2012  Mark Nudelman
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Less License, as specified in the README file.
+ *
+ * For more information, see the README file.
+ */
+
+#define NEWBOT 1
+
+/*
+ * Standard include file for "less".
+ */
+
+/*
+ * Defines for MSDOS_COMPILER.
+ */
+#define	MSOFTC		1	/* Microsoft C */
+#define	BORLANDC	2	/* Borland C */
+#define	WIN32C		3	/* Windows (Borland C or Microsoft C) */
+#define	DJGPPC		4	/* DJGPP C */
+
+/*
+ * Include the file of compile-time options.
+ * The <> make cc search for it in -I., not srcdir.
+ */
+#include <defines.h>
+
+#ifdef _SEQUENT_
+/*
+ * Kludge for Sequent Dynix systems that have sigsetmask, but
+ * it's not compatible with the way less calls it.
+ * {{ Do other systems need this? }}
+ */
+#undef HAVE_SIGSETMASK
+#endif
+
+/*
+ * Language details.
+ */
+#if HAVE_VOID
+#define	VOID_POINTER	void *
+#else
+#define	VOID_POINTER	char *
+#define	void  int
+#endif
+#if HAVE_CONST
+#define	constant	const
+#else
+#define	constant
+#endif
+
+#define	public		/* PUBLIC FUNCTION */
+
+/* Library function declarations */
+
+#if HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#if HAVE_STDIO_H
+#include <stdio.h>
+#endif
+#if HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if HAVE_CTYPE_H
+#include <ctype.h>
+#endif
+#if HAVE_WCTYPE_H
+#include <wctype.h>
+#endif
+#if HAVE_LIMITS_H
+#include <limits.h>
+#endif
+#if HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#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>
+#include <conio.h>
+#include <pc.h>
+#endif
+
+#if !HAVE_STDLIB_H
+char *getenv();
+off_t lseek();
+VOID_POINTER calloc();
+void free();
+#endif
+
+/*
+ * Simple lowercase test which can be used during option processing
+ * (before options are parsed which might tell us what charset to use).
+ */
+#define ASCII_IS_UPPER(c)	((c) >= 'A' && (c) <= 'Z')
+#define ASCII_IS_LOWER(c)	((c) >= 'a' && (c) <= 'z')
+#define	ASCII_TO_UPPER(c)	((c) - 'a' + 'A')
+#define	ASCII_TO_LOWER(c)	((c) - 'A' + 'a')
+
+#undef IS_UPPER
+#undef IS_LOWER
+#undef TO_UPPER
+#undef TO_LOWER
+#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
+#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
+
+#ifndef TRUE
+#define	TRUE		1
+#endif
+#ifndef FALSE
+#define	FALSE		0
+#endif
+
+#define	OPT_OFF		0
+#define	OPT_ON		1
+#define	OPT_ONPLUS	2
+
+#if !HAVE_MEMCPY
+#ifndef memcpy
+#define	memcpy(to,from,len)	bcopy((from),(to),(len))
+#endif
+#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
+
+/*
+ * Upper bound on the string length of an integer converted to string.
+ * 302 / 1000 is ceil (log10 (2.0)).  Subtract 1 for the sign bit;
+ * add 1 for integer division truncation; add 1 more for a minus sign.
+ */
+#define INT_STRLEN_BOUND(t) ((sizeof(t) * CHAR_BIT - 1) * 302 / 1000 + 1 + 1)
+
+/*
+ * 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))
+
+/*
+ * Flags for open()
+ */
+#if MSDOS_COMPILER || OS2
+#define	OPEN_READ	(O_RDONLY|O_BINARY)
+#else
+#ifdef _OSK
+#define	OPEN_READ	(S_IREAD)
+#else
+#ifdef O_RDONLY
+#define	OPEN_READ	(O_RDONLY)
+#else
+#define	OPEN_READ	(0)
+#endif
+#endif
+#endif
+
+#if defined(O_WRONLY) && defined(O_APPEND)
+#define	OPEN_APPEND	(O_APPEND|O_WRONLY)
+#else
+#ifdef _OSK
+#define OPEN_APPEND	(S_IWRITE)
+#else
+#define	OPEN_APPEND	(1)
+#endif
+#endif
+
+/*
+ * Set a file descriptor to binary mode.
+ */
+#if MSDOS_COMPILER==MSOFTC
+#define	SET_BINARY(f)	_setmode(f, _O_BINARY);
+#else
+#if MSDOS_COMPILER || OS2
+#define	SET_BINARY(f)	setmode(f, O_BINARY)
+#else
+#define	SET_BINARY(f)
+#endif
+#endif
+
+/*
+ * Does the shell treat "?" as a metacharacter?
+ */
+#if MSDOS_COMPILER || OS2 || _OSK
+#define	SHELL_META_QUEST 0
+#else
+#define	SHELL_META_QUEST 1
+#endif
+
+#define	SPACES_IN_FILENAMES 1
+
+/*
+ * An IFILE represents an input file.
+ */
+#define	IFILE		VOID_POINTER
+#define	NULL_IFILE	((IFILE)NULL)
+
+/*
+ * The structure used to represent a "screen position".
+ * This consists of a file position, and a screen line number.
+ * The meaning is that the line starting at the given file
+ * position is displayed on the ln-th line of the screen.
+ * (Screen lines before ln are empty.)
+ */
+struct scrpos
+{
+	POSITION pos;
+	int ln;
+};
+
+typedef union parg
+{
+	char *p_string;
+	int p_int;
+	LINENUM p_linenum;
+} PARG;
+
+#define	NULL_PARG	((PARG *)NULL)
+
+struct textlist
+{
+	char *string;
+	char *endstring;
+};
+
+#define	EOI		(-1)
+
+#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 */
+#define	VERY_QUIET	2	/* Never ring bell */
+
+/* How should we prompt? */
+#define	PR_SHORT	0	/* Prompt with colon */
+#define	PR_MEDIUM	1	/* Prompt with message */
+#define	PR_LONG		2	/* Prompt with longer message */
+
+/* How should we handle backspaces? */
+#define	BS_SPECIAL	0	/* Do special things for underlining and bold */
+#define	BS_NORMAL	1	/* \b treated as normal char; actually output */
+#define	BS_CONTROL	2	/* \b treated as control char; prints as ^H */
+
+/* How should we search? */
+#define	SRCH_FORW       (1 << 0)  /* Search forward from current position */
+#define	SRCH_BACK       (1 << 1)  /* Search backward from current position */
+#define SRCH_NO_MOVE    (1 << 2)  /* Highlight, but don't move */
+#define SRCH_FIND_ALL   (1 << 4)  /* Find and highlight all matches */
+#define SRCH_NO_MATCH   (1 << 8)  /* Search for non-matching lines */
+#define SRCH_PAST_EOF   (1 << 9)  /* Search past end-of-file, into next file */
+#define SRCH_FIRST_FILE (1 << 10) /* Search starting at the first file */
+#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) : \
+				(((t) & ~SRCH_BACK) | SRCH_FORW))
+
+/* */
+#define	NO_MCA		0
+#define	MCA_DONE	1
+#define	MCA_MORE	2
+
+#define	CC_OK		0	/* Char was accepted & processed */
+#define	CC_QUIT		1	/* Char was a request to abort current cmd */
+#define	CC_ERROR	2	/* Char could not be accepted due to error */
+#define	CC_PASS		3	/* Char was rejected (internal) */
+
+#define CF_QUIT_ON_ERASE 0001   /* Abort cmd if its entirely erased */
+
+/* Special char bit-flags used to tell put_line() to do something special */
+#define	AT_NORMAL	(0)
+#define	AT_UNDERLINE	(1 << 0)
+#define	AT_BOLD		(1 << 1)
+#define	AT_BLINK	(1 << 2)
+#define	AT_STANDOUT	(1 << 3)
+#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
+#endif
+
+#if IS_EBCDIC_HOST
+/*
+ * Long definition for EBCDIC.
+ * Since the argument is usually a constant, this macro normally compiles
+ * into a constant.
+ */
+#define CONTROL(c) ( \
+	(c)=='[' ? '\047' : \
+	(c)=='a' ? '\001' : \
+	(c)=='b' ? '\002' : \
+	(c)=='c' ? '\003' : \
+	(c)=='d' ? '\067' : \
+	(c)=='e' ? '\055' : \
+	(c)=='f' ? '\056' : \
+	(c)=='g' ? '\057' : \
+	(c)=='h' ? '\026' : \
+	(c)=='i' ? '\005' : \
+	(c)=='j' ? '\025' : \
+	(c)=='k' ? '\013' : \
+	(c)=='l' ? '\014' : \
+	(c)=='m' ? '\015' : \
+	(c)=='n' ? '\016' : \
+	(c)=='o' ? '\017' : \
+	(c)=='p' ? '\020' : \
+	(c)=='q' ? '\021' : \
+	(c)=='r' ? '\022' : \
+	(c)=='s' ? '\023' : \
+	(c)=='t' ? '\074' : \
+	(c)=='u' ? '\075' : \
+	(c)=='v' ? '\062' : \
+	(c)=='w' ? '\046' : \
+	(c)=='x' ? '\030' : \
+	(c)=='y' ? '\031' : \
+	(c)=='z' ? '\077' : \
+	(c)=='A' ? '\001' : \
+	(c)=='B' ? '\002' : \
+	(c)=='C' ? '\003' : \
+	(c)=='D' ? '\067' : \
+	(c)=='E' ? '\055' : \
+	(c)=='F' ? '\056' : \
+	(c)=='G' ? '\057' : \
+	(c)=='H' ? '\026' : \
+	(c)=='I' ? '\005' : \
+	(c)=='J' ? '\025' : \
+	(c)=='K' ? '\013' : \
+	(c)=='L' ? '\014' : \
+	(c)=='M' ? '\015' : \
+	(c)=='N' ? '\016' : \
+	(c)=='O' ? '\017' : \
+	(c)=='P' ? '\020' : \
+	(c)=='Q' ? '\021' : \
+	(c)=='R' ? '\022' : \
+	(c)=='S' ? '\023' : \
+	(c)=='T' ? '\074' : \
+	(c)=='U' ? '\075' : \
+	(c)=='V' ? '\062' : \
+	(c)=='W' ? '\046' : \
+	(c)=='X' ? '\030' : \
+	(c)=='Y' ? '\031' : \
+	(c)=='Z' ? '\077' : \
+	(c)=='|' ? '\031' : \
+	(c)=='\\' ? '\034' : \
+	(c)=='^' ? '\036' : \
+	(c)&077)
+#else
+#define	CONTROL(c)	((c)&037)
+#endif /* IS_EBCDIC_HOST */
+
+#define	ESC		CONTROL('[')
+#define	CSI		((unsigned char)'\233')
+
+#if _OSK_MWC32
+#define	LSIGNAL(sig,func)	os9_signal(sig,func)
+#else
+#define	LSIGNAL(sig,func)	signal(sig,func)
+#endif
+
+#if HAVE_SIGPROCMASK
+#if HAVE_SIGSET_T
+#else
+#undef HAVE_SIGPROCMASK
+#endif
+#endif
+#if HAVE_SIGPROCMASK
+#if HAVE_SIGEMPTYSET
+#else
+#undef  sigemptyset
+#define sigemptyset(mp) *(mp) = 0
+#endif
+#endif
+
+#define	S_INTERRUPT	01
+#define	S_STOP		02
+#define S_WINCH		04
+#define	ABORT_SIGS()	(sigs & (S_INTERRUPT|S_STOP))
+
+#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_NODATA  	020	/* Special case for zero length files */
+
+
+#define	ch_zero()	((POSITION)0)
+
+#define	FAKE_HELPFILE	"@/\\less/\\help/\\file/\\@"
+#define FAKE_EMPTYFILE	"@/\\less/\\empty/\\file/\\@"
+
+/* 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"
+
+/* Functions not included in funcs.h */
+void postoa();
+void linenumtoa();
+void inttoa();