vendor/OpenBSD/dhclient_openbsd_3_7

1 files changed, 0 insertions, 473 deletions

diff --git a/usr.bin/patch/inp.c b/usr.bin/patch/inp.c
deleted file mode 100644
index 3326843ad008..000000000000
--- a/usr.bin/patch/inp.c
+++ /dev/null
@@ -1,473 +0,0 @@
-/*	$OpenBSD: inp.c,v 1.31 2003/12/08 22:44:18 mickey Exp $	*/
-
-/*
- * patch - a program to apply diffs to original files
- * 
- * Copyright 1986, Larry Wall
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following condition is met:
- * 1. Redistributions of source code must retain the above copyright notice,
- * this condition and the following disclaimer.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
- * 
- * -C option added in 1998, original code by Marc Espie, based on FreeBSD
- * behaviour
- */
-
-#ifndef lint
-static const char     rcsid[] = "$OpenBSD: inp.c,v 1.31 2003/12/08 22:44:18 mickey Exp $";
-#endif /* not lint */
-
-#include <sys/types.h>
-#include <sys/file.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-
-#include <ctype.h>
-#include <libgen.h>
-#include <limits.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "common.h"
-#include "util.h"
-#include "pch.h"
-#include "inp.h"
-
-
-/* Input-file-with-indexable-lines abstract type */
-
-static off_t	i_size;		/* size of the input file */
-static char	*i_womp;	/* plan a buffer for entire file */
-static char	**i_ptr;	/* pointers to lines in i_womp */
-
-static int	tifd = -1;	/* plan b virtual string array */
-static char	*tibuf[2];	/* plan b buffers */
-static LINENUM	tiline[2] = {-1, -1};	/* 1st line in each buffer */
-static LINENUM	lines_per_buf;	/* how many lines per buffer */
-static int	tireclen;	/* length of records in tmp file */
-
-static bool	rev_in_string(const char *);
-static bool	reallocate_lines(size_t *);
-
-/* returns false if insufficient memory */
-static bool	plan_a(const char *);
-
-static void	plan_b(const char *);
-
-/* New patch--prepare to edit another file. */
-
-void
-re_input(void)
-{
-	if (using_plan_a) {
-		i_size = 0;
-		free(i_ptr);
-		i_ptr = NULL;
-		if (i_womp != NULL) {
-			munmap(i_womp, i_size);
-			i_womp = NULL;
-		}
-	} else {
-		using_plan_a = true;	/* maybe the next one is smaller */
-		close(tifd);
-		tifd = -1;
-		free(tibuf[0]);
-		free(tibuf[1]);
-		tibuf[0] = tibuf[1] = NULL;
-		tiline[0] = tiline[1] = -1;
-		tireclen = 0;
-	}
-}
-
-/* Constuct the line index, somehow or other. */
-
-void
-scan_input(const char *filename)
-{
-	if (!plan_a(filename))
-		plan_b(filename);
-	if (verbose) {
-		say("Patching file %s using Plan %s...\n", filename,
-		    (using_plan_a ? "A" : "B"));
-	}
-}
-
-static bool
-reallocate_lines(size_t *lines_allocated)
-{
-	char	**p;
-	size_t	new_size;
-
-	new_size = *lines_allocated * 3 / 2;
-	p = realloc(i_ptr, (new_size + 2) * sizeof(char *));
-	if (p == NULL) {	/* shucks, it was a near thing */
-		munmap(i_womp, i_size);
-		i_womp = NULL;
-		free(i_ptr);
-		i_ptr = NULL;
-		*lines_allocated = 0;
-		return false;
-	}
-	*lines_allocated = new_size;
-	i_ptr = p;
-	return true;
-}
-
-/* Try keeping everything in memory. */
-
-static bool
-plan_a(const char *filename)
-{
-	int		ifd, statfailed;
-	char		*p, *s, lbuf[MAXLINELEN];
-	LINENUM		iline;
-	struct stat	filestat;
-	off_t		i;
-	ptrdiff_t	sz;
-	size_t		lines_allocated;
-
-#ifdef DEBUGGING
-	if (debug & 8)
-		return false;
-#endif
-
-	if (filename == NULL || *filename == '\0')
-		return false;
-
-	statfailed = stat(filename, &filestat);
-	if (statfailed && ok_to_create_file) {
-		if (verbose)
-			say("(Creating file %s...)\n", filename);
-
-		/*
-		 * in check_patch case, we still display `Creating file' even
-		 * though we're not. The rule is that -C should be as similar
-		 * to normal patch behavior as possible
-		 */
-		if (check_only)
-			return true;
-		makedirs(filename, true);
-		close(creat(filename, 0666));
-		statfailed = stat(filename, &filestat);
-	}
-	if (statfailed && check_only)
-		fatal("%s not found, -C mode, can't probe further\n", filename);
-	/* For nonexistent or read-only files, look for RCS or SCCS versions.  */
-	if (statfailed ||
-	    /* No one can write to it.  */
-	    (filestat.st_mode & 0222) == 0 ||
-	    /* I can't write to it.  */
-	    ((filestat.st_mode & 0022) == 0 && filestat.st_uid != getuid())) {
-		char	*cs = NULL, *filebase, *filedir;
-		struct stat	cstat;
-
-		filebase = basename(filename);
-		filedir = dirname(filename);
-
-		/* Leave room in lbuf for the diff command.  */
-		s = lbuf + 20;
-
-#define try(f, a1, a2, a3) \
-	(snprintf(s, sizeof lbuf - 20, f, a1, a2, a3), stat(s, &cstat) == 0)
-
-		if (try("%s/RCS/%s%s", filedir, filebase, RCSSUFFIX) ||
-		    try("%s/RCS/%s%s", filedir, filebase, "") ||
-		    try("%s/%s%s", filedir, filebase, RCSSUFFIX)) {
-			snprintf(buf, sizeof buf, CHECKOUT, filename);
-			snprintf(lbuf, sizeof lbuf, RCSDIFF, filename);
-			cs = "RCS";
-		} else if (try("%s/SCCS/%s%s", filedir, SCCSPREFIX, filebase) ||
-		    try("%s/%s%s", filedir, SCCSPREFIX, filebase)) {
-			snprintf(buf, sizeof buf, GET, s);
-			snprintf(lbuf, sizeof lbuf, SCCSDIFF, s, filename);
-			cs = "SCCS";
-		} else if (statfailed)
-			fatal("can't find %s\n", filename);
-		/*
-		 * else we can't write to it but it's not under a version
-		 * control system, so just proceed.
-		 */
-		if (cs) {
-			if (!statfailed) {
-				if ((filestat.st_mode & 0222) != 0)
-					/* The owner can write to it.  */
-					fatal("file %s seems to be locked "
-					    "by somebody else under %s\n",
-					    filename, cs);
-				/*
-				 * It might be checked out unlocked.  See if
-				 * it's safe to check out the default version
-				 * locked.
-				 */
-				if (verbose)
-					say("Comparing file %s to default "
-					    "%s version...\n",
-					    filename, cs);
-				if (system(lbuf))
-					fatal("can't check out file %s: "
-					    "differs from default %s version\n",
-					    filename, cs);
-			}
-			if (verbose)
-				say("Checking out file %s from %s...\n",
-				    filename, cs);
-			if (system(buf) || stat(filename, &filestat))
-				fatal("can't check out file %s from %s\n",
-				    filename, cs);
-		}
-	}
-	filemode = filestat.st_mode;
-	if (!S_ISREG(filemode))
-		fatal("%s is not a normal file--can't patch\n", filename);
-	i_size = filestat.st_size;
-	if (out_of_mem) {
-		set_hunkmax();	/* make sure dynamic arrays are allocated */
-		out_of_mem = false;
-		return false;	/* force plan b because plan a bombed */
-	}
-	if (i_size > SIZE_MAX) {
-		say("block too large to mmap\n");
-		return false;
-	}
-	if ((ifd = open(filename, O_RDONLY)) < 0)
-		pfatal("can't open file %s", filename);
-
-	i_womp = mmap(NULL, i_size, PROT_READ, MAP_PRIVATE, ifd, 0);
-	if (i_womp == MAP_FAILED) {
-		perror("mmap failed");
-		i_womp = NULL;
-		close(ifd);
-		return false;
-	}
-
-	close(ifd);
-	if (i_size)
-		madvise(i_womp, i_size, MADV_SEQUENTIAL);
-
-	/* estimate the number of lines */
-	lines_allocated = i_size / 25;
-	if (lines_allocated < 100)
-		lines_allocated = 100;
-
-	if (!reallocate_lines(&lines_allocated)) 
-		return false;
-
-	/* now scan the buffer and build pointer array */
-	iline = 1;
-	i_ptr[iline] = i_womp;
-	/* test for NUL too, to maintain the behavior of the original code */
-	for (s = i_womp, i = 0; i < i_size && *s != '\0'; s++, i++) {
-		if (*s == '\n') {
-			if (iline == lines_allocated) {
-				if (!reallocate_lines(&lines_allocated))
-					return false;
-			}
-			/* these are NOT NUL terminated */
-			i_ptr[++iline] = s + 1;
-		}
-	}
-	/* if the last line contains no EOL, append one */
-	if (i_size > 0 && i_womp[i_size - 1] != '\n') {
-		last_line_missing_eol = true;
-		/* fix last line */
-		sz = s - i_ptr[iline];
-		p = malloc(sz + 1);
-		if (p == NULL) {
-			free(i_ptr);
-			i_ptr = NULL;
-			munmap(i_womp, i_size);
-			i_womp = NULL;
-			return false;
-		}
-
-		memcpy(p, i_ptr[iline], sz);
-		p[sz] = '\n';
-		i_ptr[iline] = p;
-		/* count the extra line and make it point to some valid mem */
-		i_ptr[++iline] = "";
-	} else
-		last_line_missing_eol = false;
-
-	input_lines = iline - 1;
-
-	/* now check for revision, if any */
-
-	if (revision != NULL) {
-		if (!rev_in_string(i_womp)) {
-			if (force) {
-				if (verbose)
-					say("Warning: this file doesn't appear "
-					    "to be the %s version--patching anyway.\n",
-					    revision);
-			} else if (batch) {
-				fatal("this file doesn't appear to be the "
-				    "%s version--aborting.\n",
-				    revision);
-			} else {
-				ask("This file doesn't appear to be the "
-				    "%s version--patch anyway? [n] ",
-				    revision);
-				if (*buf != 'y')
-					fatal("aborted\n");
-			}
-		} else if (verbose)
-			say("Good.  This file appears to be the %s version.\n",
-			    revision);
-	}
-	return true;		/* plan a will work */
-}
-
-/* Keep (virtually) nothing in memory. */
-
-static void
-plan_b(const char *filename)
-{
-	FILE	*ifp;
-	int	i = 0, j, maxlen = 1;
-	char	*p;
-	bool	found_revision = (revision == NULL);
-
-	using_plan_a = false;
-	if ((ifp = fopen(filename, "r")) == NULL)
-		pfatal("can't open file %s", filename);
-	(void) unlink(TMPINNAME);
-	if ((tifd = open(TMPINNAME, O_EXCL | O_CREAT | O_WRONLY, 0666)) < 0)
-		pfatal("can't open file %s", TMPINNAME);
-	while (fgets(buf, sizeof buf, ifp) != NULL) {
-		if (revision != NULL && !found_revision && rev_in_string(buf))
-			found_revision = true;
-		if ((i = strlen(buf)) > maxlen)
-			maxlen = i;	/* find longest line */
-	}
-	last_line_missing_eol = i > 0 && buf[i - 1] != '\n';
-	if (last_line_missing_eol && maxlen == i)
-		maxlen++;
-		
-	if (revision != NULL) {
-		if (!found_revision) {
-			if (force) {
-				if (verbose)
-					say("Warning: this file doesn't appear "
-					    "to be the %s version--patching anyway.\n",
-					    revision);
-			} else if (batch) {
-				fatal("this file doesn't appear to be the "
-				    "%s version--aborting.\n",
-				    revision);
-			} else {
-				ask("This file doesn't appear to be the %s "
-				    "version--patch anyway? [n] ",
-				    revision);
-				if (*buf != 'y')
-					fatal("aborted\n");
-			}
-		} else if (verbose)
-			say("Good.  This file appears to be the %s version.\n",
-			    revision);
-	}
-	fseek(ifp, 0L, SEEK_SET);	/* rewind file */
-	lines_per_buf = BUFFERSIZE / maxlen;
-	tireclen = maxlen;
-	tibuf[0] = malloc(BUFFERSIZE + 1);
-	if (tibuf[0] == NULL)
-		fatal("out of memory\n");
-	tibuf[1] = malloc(BUFFERSIZE + 1);
-	if (tibuf[1] == NULL)
-		fatal("out of memory\n");
-	for (i = 1;; i++) {
-		p = tibuf[0] + maxlen * (i % lines_per_buf);
-		if (i % lines_per_buf == 0)	/* new block */
-			if (write(tifd, tibuf[0], BUFFERSIZE) < BUFFERSIZE)
-				pfatal("can't write temp file");
-		if (fgets(p, maxlen + 1, ifp) == NULL) {
-			input_lines = i - 1;
-			if (i % lines_per_buf != 0)
-				if (write(tifd, tibuf[0], BUFFERSIZE) < BUFFERSIZE)
-					pfatal("can't write temp file");
-			break;
-		}
-		j = strlen(p);
-		/* These are '\n' terminated strings, so no need to add a NUL */
-		if (j == 0 || p[j - 1] != '\n')
-			p[j] = '\n';
-	}
-	fclose(ifp);
-	close(tifd);
-	if ((tifd = open(TMPINNAME, O_RDONLY)) < 0)
-		pfatal("can't reopen file %s", TMPINNAME);
-}
-
-/*
- * Fetch a line from the input file, \n terminated, not necessarily \0.
- */
-char *
-ifetch(LINENUM line, int whichbuf)
-{
-	if (line < 1 || line > input_lines) {
-		if (warn_on_invalid_line) {
-			say("No such line %ld in input file, ignoring\n", line);
-			warn_on_invalid_line = false;
-		}
-		return NULL;
-	}
-	if (using_plan_a)
-		return i_ptr[line];
-	else {
-		LINENUM	offline = line % lines_per_buf;
-		LINENUM	baseline = line - offline;
-
-		if (tiline[0] == baseline)
-			whichbuf = 0;
-		else if (tiline[1] == baseline)
-			whichbuf = 1;
-		else {
-			tiline[whichbuf] = baseline;
-
-			lseek(tifd, (off_t) (baseline / lines_per_buf *
-			    BUFFERSIZE), SEEK_SET);
-
-			if (read(tifd, tibuf[whichbuf], BUFFERSIZE) < 0)
-				pfatal("error reading tmp file %s", TMPINNAME);
-		}
-		return tibuf[whichbuf] + (tireclen * offline);
-	}
-}
-
-/*
- * True if the string argument contains the revision number we want.
- */
-static bool
-rev_in_string(const char *string)
-{
-	const char	*s;
-	int		patlen;
-
-	if (revision == NULL)
-		return true;
-	patlen = strlen(revision);
-	if (strnEQ(string, revision, patlen) && isspace(string[patlen]))
-		return true;
-	for (s = string; *s; s++) {
-		if (isspace(*s) && strnEQ(s + 1, revision, patlen) &&
-		    isspace(s[patlen + 1])) {
-			return true;
-		}
-	}
-	return false;
-}