usr.bin/{m4,man,mesg}: remove, they are handled separately

1 files changed, 0 insertions, 817 deletions

diff --git a/usr.bin/m4/gnum4.c b/usr.bin/m4/gnum4.c
deleted file mode 100644
index a450a99..0000000
--- a/usr.bin/m4/gnum4.c
+++ /dev/null
@@ -1,817 +0,0 @@
-/* $NetBSD: gnum4.c,v 1.10 2016/01/16 16:59:18 christos Exp $ */
-/* $OpenBSD: gnum4.c,v 1.39 2008/08/21 21:01:04 espie Exp $ */
-
-/*
- * Copyright (c) 1999 Marc Espie
- *
- * 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.
- *
- * 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.
- */
-
-/* 
- * functions needed to support gnu-m4 extensions, including a fake freezing
- */
-#if HAVE_NBTOOL_CONFIG_H
-#include "nbtool_config.h"
-#endif
-#include <sys/cdefs.h>
-__RCSID("$NetBSD: gnum4.c,v 1.10 2016/01/16 16:59:18 christos Exp $");
-
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <ctype.h>
-#include <err.h>
-#include <paths.h>
-#include <regex.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include "mdef.h"
-#include "stdd.h"
-#include "extern.h"
-
-
-int mimic_gnu = 0;
-#ifndef SIZE_T_MAX
-#define SIZE_T_MAX (size_t)~0ull
-#endif
-
-/*
- * Support for include path search
- * First search in the current directory.
- * If not found, and the path is not absolute, include path kicks in.
- * First, -I options, in the order found on the command line.
- * Then M4PATH env variable
- */
-
-struct path_entry {
-	char *name;
-	struct path_entry *next;
-} *first, *last;
-
-static struct path_entry *new_path_entry(const char *);
-static void ensure_m4path(void);
-static struct input_file *dopath(struct input_file *, const char *);
-
-static struct path_entry *
-new_path_entry(const char *dirname)
-{
-	struct path_entry *n;
-
-	n = malloc(sizeof(struct path_entry));
-	if (!n)
-		errx(1, "out of memory");
-	n->name = strdup(dirname);
-	if (!n->name)
-		errx(1, "out of memory");
-	n->next = 0;
-	return n;
-}
-	
-void 
-addtoincludepath(const char *dirname)
-{
-	struct path_entry *n;
-
-	n = new_path_entry(dirname);
-
-	if (last) {
-		last->next = n;
-		last = n;
-	}
-	else
-		last = first = n;
-}
-
-static void
-ensure_m4path(void)
-{
-	static int envpathdone = 0;
-	char *envpath;
-	char *sweep;
-	char *path;
-
-	if (envpathdone)
-		return;
-	envpathdone = TRUE;
-	envpath = getenv("M4PATH");
-	if (!envpath) 
-		return;
-	/* for portability: getenv result is read-only */
-	envpath = strdup(envpath);
-	if (!envpath)
-		errx(1, "out of memory");
-	for (sweep = envpath; 
-	    (path = strsep(&sweep, ":")) != NULL;)
-	    addtoincludepath(path);
-	free(envpath);
-}
-
-static
-struct input_file *
-dopath(struct input_file *i, const char *filename)
-{
-	char path[MAXPATHLEN];
-	struct path_entry *pe;
-	FILE *f;
-
-	for (pe = first; pe; pe = pe->next) {
-		snprintf(path, sizeof(path), "%s/%s", pe->name, filename);
-		if ((f = fopen(path, "r")) != 0) {
-			set_input(i, f, path);
-			return i;
-		}
-	}
-	return NULL;
-}
-
-struct input_file *
-fopen_trypath(struct input_file *i, const char *filename)
-{
-	FILE *f;
-
-	f = fopen(filename, "r");
-	if (f != NULL) {
-		set_input(i, f, filename);
-		return i;
-	}
-	if (filename[0] == '/')
-		return NULL;
-
-	ensure_m4path();
-
-	return dopath(i, filename);
-}
-
-void 
-doindir(const char *argv[], int argc)
-{
-	ndptr n;
-	struct macro_definition *p;
-
-	n = lookup(argv[2]);
-	if (n == NULL || (p = macro_getdef(n)) == NULL)
-		m4errx(1, "indir: undefined macro %s.", argv[2]);
-	argv[1] = p->defn;
-	
-	eval(argv+1, argc-1, p->type, is_traced(n));
-}
-
-void 
-dobuiltin(const char *argv[], int argc)
-{
-	ndptr p;
-
-	argv[1] = NULL;
-	p = macro_getbuiltin(argv[2]);
-	if (p != NULL)
-		eval(argv+1, argc-1, macro_builtin_type(p), is_traced(p));
-	else
-		m4errx(1, "unknown builtin %s.", argv[2]);
-} 
-
-
-/* We need some temporary buffer space, as pb pushes BACK and substitution
- * proceeds forward... */
-static char *buffer;
-static size_t bufsize = 0;
-static size_t current = 0;
-
-static void addchars(const char *, size_t);
-static void addchar(int);
-static char *twiddle(const char *);
-static char *getstring(void);
-static void exit_regerror(int, const char *, regex_t *) __dead;
-static void do_subst(const char *, const char *, regex_t *, const char *,
-    regmatch_t *);
-static void do_regexpindex(const char *, const char *, regex_t *, regmatch_t *);
-static void do_regexp(const char *, const char *, regex_t *, const char *, regmatch_t *);
-static void add_sub(size_t, const char *, regex_t *, regmatch_t *);
-static void add_replace(const char *, regex_t *, const char *, regmatch_t *);
-#define addconstantstring(s) addchars((s), sizeof(s)-1)
-
-static void 
-addchars(const char *c, size_t n)
-{
-	if (n == 0)
-		return;
-	while (current + n > bufsize) {
-		if (bufsize == 0)
-			bufsize = 1024;
-		else
-			bufsize *= 2;
-		buffer = xrealloc(buffer, bufsize, NULL);
-	}
-	memcpy(buffer+current, c, n);
-	current += n;
-}
-
-static void 
-addchar(int c)
-{
-	if (current +1 > bufsize) {
-		if (bufsize == 0)
-			bufsize = 1024;
-		else
-			bufsize *= 2;
-		buffer = xrealloc(buffer, bufsize, NULL);
-	}
-	buffer[current++] = c;
-}
-
-static char *
-getstring(void)
-{
-	addchar('\0');
-	current = 0;
-	return buffer;
-}
-
-
-static void 
-exit_regerror(int er, const char *pat, regex_t *re)
-{
-	size_t 	errlen;
-	char 	*errbuf;
-
-	errlen = regerror(er, re, NULL, 0);
-	errbuf = xalloc(errlen, 
-	    "malloc in regerror: %lu", (unsigned long)errlen);
-	regerror(er, re, errbuf, errlen);
-	m4errx(1, "regular expression error: %s for: `%s'", errbuf, pat);
-}
-
-static void
-add_sub(size_t n, const char *string, regex_t *re, regmatch_t *pm)
-{
-	if (n > re->re_nsub) {
-		if (!quiet)
-			warnx("No subexpression %zu", n);
-		if (fatal_warnings)
-			exit(EXIT_FAILURE);
-	}
-	/* Subexpressions that did not match are
-	 * not an error.  */
-	else if (pm[n].rm_so != -1 &&
-	    pm[n].rm_eo != -1) {
-		addchars(string + pm[n].rm_so,
-			pm[n].rm_eo - pm[n].rm_so);
-	}
-}
-
-/* Add replacement string to the output buffer, recognizing special
- * constructs and replacing them with substrings of the original string.
- */
-static void 
-add_replace(const char *string, regex_t *re, const char *replace, regmatch_t *pm)
-{
-	const char *p;
-
-	for (p = replace; *p != '\0'; p++) {
-		if (*p == '&' && !mimic_gnu) {
-			add_sub(0, string, re, pm);
-			continue;
-		}
-		if (*p == '\\') {
-			if (p[1] == '\\') {
-				addchar(p[1]);
-				p++;
-				continue;
-			}
-			if (p[1] == '&') {
-				if (mimic_gnu)
-					add_sub(0, string, re, pm);
-				else
-					addchar(p[1]);
-				p++;
-				continue;
-			}
-			if (isdigit((unsigned char)p[1])) {
-				add_sub(*(++p) - '0', string, re, pm);
-				continue;
-			}
-		}
-	    	addchar(*p);
-	}
-}
-
-static void 
-do_subst(const char *pat, const char *string, regex_t *re, const char *replace,
-    regmatch_t *pm)
-{
-	int error;
-	int flags = 0;
-	const char *last_match = NULL;
-
-	while ((error = regexec(re, string, re->re_nsub+1, pm, flags)) == 0) {
-		if (pm[0].rm_eo != 0) {
-			if (string[pm[0].rm_eo-1] == '\n')
-				flags = 0;
-			else
-				flags = REG_NOTBOL;
-		}
-
-		/* NULL length matches are special... We use the `vi-mode' 
-		 * rule: don't allow a NULL-match at the last match
-		 * position. 
-		 */
-		if (pm[0].rm_so == pm[0].rm_eo && 
-		    string + pm[0].rm_so == last_match) {
-			if (*string == '\0')
-				return;
-			addchar(*string);
-			if (*string++ == '\n')
-				flags = 0;
-			else
-				flags = REG_NOTBOL;
-			continue;
-		}
-		last_match = string + pm[0].rm_so;
-		addchars(string, pm[0].rm_so);
-		add_replace(string, re, replace, pm);
-		string += pm[0].rm_eo;
-		buffer[current] = '\0';
-	}
-	while (*string)
-		addchar(*string++);
-	if (error != REG_NOMATCH)
-		exit_regerror(error, pat, re);
-	pbstr(string);
-}
-
-static void 
-do_regexp(const char *pat, const char *string, regex_t *re, const char *replace,
-    regmatch_t *pm)
-{
-	int error;
-
-	switch(error = regexec(re, string, re->re_nsub+1, pm, 0)) {
-	case 0: 
-		add_replace(string, re, replace, pm);
-		pbstr(getstring());
-		break;
-	case REG_NOMATCH:
-		break;
-	default:
-		exit_regerror(error, pat, re);
-	}
-}
-
-static void 
-do_regexpindex(const char *pat, const char *string, regex_t *re, regmatch_t *pm)
-{
-	int error;
-
-	switch(error = regexec(re, string, re->re_nsub+1, pm, 0)) {
-	case 0:
-		pbunsigned(pm[0].rm_so);
-		break;
-	case REG_NOMATCH:
-		pbnum(-1);
-		break;
-	default:
-		exit_regerror(error, pat, re);
-	}
-}
-
-/* In Gnu m4 mode, parentheses for backmatch don't work like POSIX 1003.2
- * says. So we twiddle with the regexp before passing it to regcomp.
- */
-static char *
-twiddle(const char *p)
-{
-	/* + at start of regexp is a normal character for Gnu m4 */
-	if (*p == '^') {
-		addchar(*p);
-		p++;
-	}
-	if (*p == '+') {
-		addchar('\\');
-	}
-	/* This could use strcspn for speed... */
-	while (*p != '\0') {
-		if (*p == '\\') {
-			switch(p[1]) {
-			case '(':
-			case ')':
-			case '|':
-				addchar(p[1]);
-				break;
-			case 'w':
-				addconstantstring("[_a-zA-Z0-9]");
-				break;
-			case 'W':
-				addconstantstring("[^_a-zA-Z0-9]");
-				break;
-			case '<':
-				addconstantstring("[[:<:]]");
-				break;
-			case '>':
-				addconstantstring("[[:>:]]");
-				break;
-			default:
-				addchars(p, 2);
-				break;
-			}
-			p+=2;
-			continue;
-		}
-		if (*p == '(' || *p == ')' || *p == '|')
-			addchar('\\');
-
-		addchar(*p);
-		p++;
-	}
-	return getstring();
-}
-
-static int
-checkempty(const char *argv[], int argc)
-{
-	const char *s;
-	size_t len;
-
-	if (argc != 3 && argv[3][0] != '\0')
-		return 0;
-
-	if (argc == 3) {
-		if (!quiet)
-			warnx("Too few arguments to patsubst");
-		if (fatal_warnings)
-			exit(EXIT_FAILURE);
-	}
-			
-	if (argv[4] && argc > 4) 
-		len = strlen(argv[4]);
-	else
-		len = 0;
-	for (s = argv[2]; *s != '\0'; s++) {
-		addchars(argv[4], len);
-		addchar(*s);
-	}
-	return 1;
-}
-
-/* patsubst(string, regexp, opt replacement) */
-/* argv[2]: string
- * argv[3]: regexp
- * argv[4]: opt rep
- */
-void
-dopatsubst(const char *argv[], int argc)
-{
-	if (argc < 3) {
-		if (!quiet)
-			warnx("Too few arguments to patsubst");
-		if (fatal_warnings)
-			exit(EXIT_FAILURE);
-		return;
-	}
-	/* special case: empty regexp */
-	if (!checkempty(argv, argc)) {
-
-		const char *pat;
-		int error;
-		regex_t re;
-		regmatch_t *pmatch;
-		int mode = REG_EXTENDED;
-		size_t l = strlen(argv[3]);
-
-		if (!mimic_gnu ||
-		    (argv[3][0] == '^') || 
-		    (l > 0 && argv[3][l-1] == '$'))
-			mode |= REG_NEWLINE;
-
-		pat = mimic_gnu ? twiddle(argv[3]) : argv[3];
-		error = regcomp(&re, pat, mode);
-		if (error != 0)
-			exit_regerror(error, pat, &re);
-		
-		pmatch = xalloc(sizeof(regmatch_t) * (re.re_nsub+1), NULL);
-		do_subst(pat, argv[2], &re, 
-		    argc > 4 && argv[4] != NULL ? argv[4] : "", pmatch);
-		free(pmatch);
-		regfree(&re);
-	}
-	pbstr(getstring());
-}
-
-void
-doregexp(const char *argv[], int argc)
-{
-	int error;
-	regex_t re;
-	regmatch_t *pmatch;
-	const char *pat;
-
-	if (argc < 3) {
-		if (!quiet)
-			warnx("Too few arguments to regexp");
-		if (fatal_warnings)
-			exit(EXIT_FAILURE);
-		return;
-	}
-	if (checkempty(argv, argc)) {
-		return;
-	}
-
-	pat = mimic_gnu ? twiddle(argv[3]) : argv[3];
-	error = regcomp(&re, pat, REG_EXTENDED);
-	if (error != 0)
-		exit_regerror(error, pat, &re);
-	
-	pmatch = xalloc(sizeof(regmatch_t) * (re.re_nsub+1), NULL);
-	if (argv[4] == NULL || argc == 4)
-		do_regexpindex(pat, argv[2], &re, pmatch);
-	else
-		do_regexp(pat, argv[2], &re, argv[4], pmatch);
-	free(pmatch);
-	regfree(&re);
-}
-
-void
-doformat(const char *argv[], int argc)
-{
-	const char *format = argv[2];
-	int pos = 3;
-	int left_padded;
-	long width;
-	size_t l;
-	const char *thisarg;
-	char temp[2];
-	size_t extra;
-
-	while (*format != 0) {
-		if (*format != '%') {
-			addchar(*format++);
-			continue;
-		}
-
-		format++;
-		if (*format == '%') {
-			addchar(*format++);
-			continue;
-		}
-		if (*format == 0) {
-			addchar('%');
-			break;
-		}
-
-		if (*format == '*') {
-			format++;
-			if (pos >= argc)
-				m4errx(1, 
-				    "Format with too many format specifiers.");
-			width = strtol(argv[pos++], NULL, 10);
-		} else {
-			char *eformat;
-			width = strtol(format, &eformat, 10);
-			format = eformat;
-		}
-		if (width < 0) {
-			left_padded = 1;
-			width = -width;
-		} else {
-			left_padded = 0;
-		}
-		if (*format == '.') {
-			format++;
-			if (*format == '*') {
-				format++;
-				if (pos >= argc)
-					m4errx(1, 
-					    "Format with too many format specifiers.");
-				extra = strtol(argv[pos++], NULL, 10);
-			} else {
-				char *eformat;
-				extra = strtol(format, &eformat, 10);
-				format = eformat;
-			}
-		} else {
-			extra = SIZE_T_MAX;
-		}
-		if (pos >= argc)
-			m4errx(1, "Format with too many format specifiers.");
-		switch(*format) {
-		case 's':
-			thisarg = argv[pos++];
-			break;
-		case 'c':
-			temp[0] = strtoul(argv[pos++], NULL, 10);
-			temp[1] = 0;
-			thisarg = temp;
-			break;
-		default:
-			m4errx(1, "Unsupported format specification: %s.", 
-			    argv[2]);
-		}
-		format++;
-		l = strlen(thisarg);
-		if (l > extra)
-			l = extra;
-		if (!left_padded) {
-			while (l < (size_t)width--)
-				addchar(' ');
-		}
-		addchars(thisarg, l);
-		if (left_padded) {
-			while (l < (size_t)width--)
-				addchar(' ');
-		}
-	}
-	pbstr(getstring());
-}
-
-void
-doesyscmd(const char *cmd)
-{
-	int p[2];
-	pid_t pid, cpid;
-	const char *argv[4];
-	int cc;
-	int status;
-
-	/* Follow gnu m4 documentation: first flush buffers. */
-	fflush(NULL);
-
-	argv[0] = "sh";
-	argv[1] = "-c";
-	argv[2] = cmd;
-	argv[3] = NULL;
-
-	/* Just set up standard output, share stderr and stdin with m4 */
-	if (pipe(p) == -1)
-		err(1, "bad pipe");
-	switch(cpid = fork()) {
-	case -1:
-		err(1, "bad fork");
-		/* NOTREACHED */
-	case 0:
-		(void) close(p[0]);
-		(void) dup2(p[1], 1);
-		(void) close(p[1]);
-		execv(_PATH_BSHELL, __UNCONST(argv));
-		exit(1);
-	default:
-		/* Read result in two stages, since m4's buffer is
-		 * pushback-only. */
-		(void) close(p[1]);
-		do {
-			char result[BUFSIZE];
-			cc = read(p[0], result, sizeof result);
-			if (cc > 0)
-				addchars(result, cc);
-		} while (cc > 0 || (cc == -1 && errno == EINTR));
-
-		(void) close(p[0]);
-		while ((pid = wait(&status)) != cpid && pid >= 0)
-			continue;
-		pbstr(getstring());
-	}
-}
-
-void
-getdivfile(const char *name)
-{
-	FILE *f;
-	int c;
-
-	f = fopen(name, "r");
-	if (!f)
-		return;
-
-	while ((c = getc(f))!= EOF)
-		putc(c, active);
-	(void) fclose(f);
-}
-
-#ifdef REAL_FREEZE
-void
-freeze_state(const char *fname)
-{
-	FILE *f;
-
-	if ((f = fopen(fname, "wb")) == NULL)
-		m4errx(EXIT_FAILURE, "Can't open output freeze file `%s' (%s)",
-		    fname, strerror(errno));
-	fprintf(f, "# This is a frozen state file generated by %s\nV1\n",
-	    getprogname());
-	fprintf(f, "Q%zu,%zu\n%s%s\n", strlen(lquote), strlen(rquote),
-	    lquote, rquote);
-	fprintf(f, "C%zu,%zu\n%s%s\n", strlen(scommt), strlen(ecommt),
-	    scommt, ecommt);
-	dump_state(f);
-	/* XXX: diversions? */
-	fprintf(f, "D-1,0\n");
-	fprintf(f, "# End of frozen state file\n");
-	fclose(f);
-}
-
-void
-thaw_state(const char *fname)
-{
-	char *name = NULL;
-	size_t nl, namelen = 0;
-	char *defn = NULL;
-	size_t dl, defnlen = 0;
-	size_t lineno = 0;
-	char line[1024], *ptr, type;
-	FILE *f;
-
-	if ((f = fopen(fname, "rb")) == NULL)
-		m4errx(EXIT_FAILURE, "Can't open frozen file `%s' (%s)",
-		    fname, strerror(errno));
-
-#define GET() if (fgets(line, (int)sizeof(line), f) == NULL) goto out
-#define GETSTR(s, l) if (fread(s, 1, l, f) != l) goto out; else s[l] = '\0'
-
-	GET();	/* comment */
-	GET();	/* version */
-	if ((ptr = strrchr(line, '\n')) != NULL)
-		*ptr = '\0';
-	if (strcmp(line, "V1") != 0)
-		m4errx(EXIT_FAILURE, "Bad frozen version `%s'", line);
-
-	for (;;) {
-		GET();
-		lineno++;
-		switch (*line) {
-		case '\n':
-			continue;
-		case '#':
-			free(name);
-			free(defn);
-			fclose(f);
-			return;
-		default:
-			if (sscanf(line, "%c%zu,%zu\n", &type, &nl, &dl) != 3)
-				m4errx(EXIT_FAILURE, "%s, %zu: Bad line `%s'",
-				    fname, lineno, line);
-			break;
-		}
-
-		switch (type) {
-		case 'Q':
-			if (nl >= sizeof(lquote) || dl >= sizeof(rquote))
-				m4errx(EXIT_FAILURE, "%s, %zu: Quote too long",
-				    fname, lineno);
-			GETSTR(lquote, nl);
-			GETSTR(rquote, dl);
-			break;
-
-		case 'C':
-			if (nl >= sizeof(scommt) || dl >= sizeof(ecommt))
-				m4errx(EXIT_FAILURE, "%s, %zu: Comment too long",
-				    fname, lineno);
-			GETSTR(scommt, nl);
-			GETSTR(ecommt, dl);
-			break;
-
-		case 'T':
-		case 'F':
-			if (nl >= namelen)
-				name = xrealloc(name, namelen = nl + 1,
-					"name grow");
-			if (dl >= defnlen)
-				defn = xrealloc(defn, defnlen = dl + 1,
-					"defn grow");
-			GETSTR(name, nl);
-			GETSTR(defn, dl);
-			macro_pushdef(name, defn);
-			break;
-
-		case 'D':
-			/* XXX: Not implemented */
-			break;
-
-		default:
-			m4errx(EXIT_FAILURE, "%s, %zu: Unknown type %c",
-			    fname, lineno,type);
-		}
-	}
-out:
-	m4errx(EXIT_FAILURE, "Unexprected end of file in `%s'", fname);
-}
-#endif