1 files changed, 265 insertions, 0 deletions
diff --git a/doc/tools/src2html1.4a/Ctags/ctags.c b/doc/tools/src2html1.4a/Ctags/ctags.c
new file mode 100644
index 0000000000..08d01a2ba0
--- /dev/null
+++ b/doc/tools/src2html1.4a/Ctags/ctags.c
@@ -0,0 +1,265 @@
+/*
+ * Copyright (c) 1987 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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 following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ */
+
+#ifndef lint
+char copyright[] =
+"@(#) Copyright (c) 1987 The Regents of the University of California.\n\
+ All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)ctags.c	5.8 (Berkeley) 2/26/91";
+#endif /* not lint */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "ctags.h"
+
+/*
+ * ctags: create a tags file
+ */
+
+NODE	*head;			/* head of the sorted binary tree */
+
+				/* boolean "func" (see init()) */
+bool	_wht[0177],_etk[0177],_itk[0177],_btk[0177],_gd[0177];
+
+FILE	*inf,			/* ioptr for current input file */
+	*outf;			/* ioptr for tags file */
+
+long	lineftell;		/* ftell after getc( inf ) == '\n' */
+
+int	lineno,			/* line number of current line */
+	dflag,			/* -d: non-macro defines */
+	tflag,			/* -t: create tags for typedefs */
+	wflag,			/* -w: suppress warnings */
+	vflag,			/* -v: vgrind style index output */
+	xflag,			/* -x: cxref style output */
+	yflag;			/* -y: yet another style output */
+
+char	*curfile,		/* current input file name */
+	searchar = '/',		/* use /.../ searches by default */
+	lbuf[BUFSIZ];
+
+main(argc,argv)
+	int	argc;
+	char	**argv;
+{
+	extern char	*optarg;		/* getopt arguments */
+	extern int	optind;
+	static char	*outfile = "tags";	/* output file */
+	int	aflag,				/* -a: append to tags */
+		uflag,				/* -u: update tags */
+		exit_val,			/* exit value */
+		step,				/* step through args */
+		ch;				/* getopts char */
+	char	cmd[100];			/* too ugly to explain */
+
+	aflag = uflag = NO;
+	while ((ch = getopt(argc,argv,"BFadf:tuwvxy")) != EOF)
+		switch((char)ch) {
+			case 'B':
+				searchar = '?';
+				break;
+			case 'F':
+				searchar = '/';
+				break;
+			case 'a':
+				aflag++;
+				break;
+			case 'd':
+				dflag++;
+				break;
+			case 'f':
+				outfile = optarg;
+				break;
+			case 't':
+				tflag++;
+				break;
+			case 'u':
+				uflag++;
+				break;
+			case 'w':
+				wflag++;
+				break;
+			case 'v':
+				vflag++;
+			case 'x':
+				xflag++;
+				break;
+			case 'y':
+				yflag++;
+				break;
+			case '?':
+			default:
+				goto usage;
+		}
+	argv += optind;
+	argc -= optind;
+	if (!argc) {
+usage:		puts("Usage: ctags [-BFadtuwvx] [-f tagsfile] file ...");
+		exit(1);
+	}
+
+	init();
+
+	for (exit_val = step = 0;step < argc;++step)
+		if (!(inf = fopen(argv[step],"r"))) {
+			perror(argv[step]);
+			exit_val = 1;
+		}
+		else {
+			curfile = argv[step];
+			find_entries(argv[step]);
+			(void)fclose(inf);
+		}
+
+	if (head)
+		if (xflag)
+			put_entries(head);
+		else {
+			if (uflag) {
+				for (step = 0;step < argc;step++) {
+					(void)sprintf(cmd,"mv %s OTAGS;fgrep -v '\t%s\t' OTAGS >%s;rm OTAGS",outfile,argv[step],outfile);
+					system(cmd);
+				}
+				++aflag;
+			}
+			if (!(outf = fopen(outfile, aflag ? "a" : "w"))) {
+				perror(outfile);
+				exit(exit_val);
+			}
+			put_entries(head);
+			(void)fclose(outf);
+			if (uflag) {
+				(void)sprintf(cmd,"sort %s -o %s",outfile,outfile);
+				system(cmd);
+			}
+		}
+	exit(exit_val);
+}
+
+/*
+ * init --
+ *	this routine sets up the boolean psuedo-functions which work by
+ *	setting boolean flags dependent upon the corresponding character.
+ *	Every char which is NOT in that string is false with respect to
+ *	the pseudo-function.  Therefore, all of the array "_wht" is NO
+ *	by default and then the elements subscripted by the chars in
+ *	CWHITE are set to YES.  Thus, "_wht" of a char is YES if it is in
+ *	the string CWHITE, else NO.
+ */
+init()
+{
+	register int	i;
+	register char	*sp;
+
+	for (i = 0; i < 0177; i++) {
+		_wht[i] = _etk[i] = _itk[i] = _btk[i] = NO;
+		_gd[i] = YES;
+	}
+#define	CWHITE	" \f\t\n"
+	for (sp = CWHITE; *sp; sp++)	/* white space chars */
+		_wht[*sp] = YES;
+#define	CTOKEN	" \t\n\"'#()[]{}=-+%*/&|^~!<>;,.:?"
+	for (sp = CTOKEN; *sp; sp++)	/* token ending chars */
+		_etk[*sp] = YES;
+#define	CINTOK	"ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz0123456789"
+	for (sp = CINTOK; *sp; sp++)	/* valid in-token chars */
+		_itk[*sp] = YES;
+#define	CBEGIN	"ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz"
+	for (sp = CBEGIN; *sp; sp++)	/* token starting chars */
+		_btk[*sp] = YES;
+#define	CNOTGD	",;"
+	for (sp = CNOTGD; *sp; sp++)	/* invalid after-function chars */
+		_gd[*sp] = NO;
+}
+
+/*
+ * find_entries --
+ *	this routine opens the specified file and calls the function
+ *	which searches the file.
+ */
+find_entries(file)
+	char	*file;
+{
+	register char	*cp;
+
+	lineno = 0;				/* should be 1 ?? KB */
+	if (cp = rindex(file, '.')) {
+		if (cp[1] == 'l' && !cp[2]) {
+			register int	c;
+
+			for (;;) {
+				if (GETC(==,EOF))
+					return;
+				if (!iswhite(c)) {
+					rewind(inf);
+					break;
+				}
+			}
+#define	LISPCHR	";(["
+/* lisp */		if (index(LISPCHR,(char)c)) {
+				l_entries();
+				return;
+			}
+/* lex */		else {
+				/*
+				 * we search all 3 parts of a lex file
+				 * for C references.  This may be wrong.
+				 */
+				toss_yysec();
+				(void)strcpy(lbuf,"%%$");
+				pfnote("yylex",lineno);
+				rewind(inf);
+			}
+		}
+/* yacc */	else if (cp[1] == 'y' && !cp[2]) {
+			/*
+			 * we search only the 3rd part of a yacc file
+			 * for C references.  This may be wrong.
+			 */
+			toss_yysec();
+			(void)strcpy(lbuf,"%%$");
+			pfnote("yyparse",lineno);
+			y_entries();
+		}
+/* fortran */	else if ((cp[1] != 'c' && cp[1] != 'h') && !cp[2]) {
+			if (PF_funcs())
+				return;
+			rewind(inf);
+		}
+	}
+/* C */	c_entries();
+}