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Arquivotheca.AIX-4.1.3/bos/usr/bin/patch/patch.c
seta75D d6fe8fe829 Init
2021-10-11 22:19:34 -03:00

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static char sccsid[] = "@(#)99 1.8 src/bos/usr/bin/patch/patch.c, cmdposix, bos41J, 9521B_all 5/24/95 17:15:33";
/*
* COMPONENT_NAME: (CMDPOSIX) new commands required by Posix 1003.2
*
* FUNCTIONS: abort_hunk, apply_hunk, init_output, init_reject, copy_till,
* spew_output, dump_line, patch_match, similar, my_exit
*
* ORIGINS: 27, 85
*
* This module contains IBM CONFIDENTIAL code. -- (IBM
* Confidential Restricted when combined with the aggregated
* modules for this product)
* SOURCE MATERIALS
* (C) COPYRIGHT International Business Machines Corp. 1993, 1995
* All Rights Reserved
*
* US Government Users Restricted Rights - Use, duplication or
* disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
*
* (c) Copyright 1990, 1991, 1992, 1993 OPEN SOFTWARE FOUNDATION, INC.
* ALL RIGHTS RESERVED
*
* OSF/1 1.2
*/
#if !defined(lint) && !defined(_NOIDENT)
static char rcsid[] = "@(#)$RCSfile: patch.c,v $ $Revision: 1.1.2.2 $ (OSF) $Date: 1992/07/06 18:32:34 $";
#endif
char patch_rcsid[] =
"Header: patch.c,v 2.0.1.6 88/06/22 20:46:39 lwall Locked";
/* patch - a program to apply diffs to original files
*
* Copyright 1986, Larry Wall
*
* This program may be copied as long as you don't try to make any
* money off of it, or pretend that you wrote it.
*
* Log: patch.c,v
* Revision 2.0.1.6 88/06/22 20:46:39 lwall
* patch12: rindex() wasn't declared
*
* Revision 2.0.1.5 88/06/03 15:09:37 lwall
* patch10: exit code improved.
* patch10: better support for non-flexfilenames.
*
* Revision 2.0.1.4 87/02/16 14:00:04 lwall
* Short replacement caused spurious "Out of sync" message.
*
* Revision 2.0.1.3 87/01/30 22:45:50 lwall
* Improved diagnostic on sync error.
* Moved do_ed_script() to pch.c.
*
* Revision 2.0.1.2 86/11/21 09:39:15 lwall
* Fuzz factor caused offset of installed lines.
*
* Revision 2.0.1.1 86/10/29 13:10:22 lwall
* Backwards search could terminate prematurely.
*
* Revision 2.0 86/09/17 15:37:32 lwall
* Baseline for netwide release.
*
* Revision 1.5 86/08/01 20:53:24 lwall
* Changed some %d's to %ld's.
* Linted.
*
* Revision 1.4 86/08/01 19:17:29 lwall
* Fixes for machines that can't vararg.
* Added fuzz factor.
* Generalized -p.
* General cleanup.
*
* 85/08/15 van%ucbmonet@berkeley
* Changes for 4.3bsd diff -c.
*
* Revision 1.3 85/03/26 15:07:43 lwall
* Frozen.
*
* Revision 1.2.1.9 85/03/12 17:03:35 lwall
* Changed pfp->_file to fileno(pfp).
*
* Revision 1.2.1.8 85/03/12 16:30:43 lwall
* Check i_ptr and i_womp to make sure they aren't null before freeing.
* Also allow ed output to be suppressed.
*
* Revision 1.2.1.7 85/03/12 15:56:13 lwall
* Added -p option from jromine@uci-750a.
*
* Revision 1.2.1.6 85/03/12 12:12:51 lwall
* Now checks for normalness of file to patch.
*
* Revision 1.2.1.5 85/03/12 11:52:12 lwall
* Added -D (#ifdef) option from joe@fluke.
*
* Revision 1.2.1.4 84/12/06 11:14:15 lwall
* Made smarter about SCCS subdirectories.
*
* Revision 1.2.1.3 84/12/05 11:18:43 lwall
* Added -l switch to do loose string comparison.
*
* Revision 1.2.1.2 84/12/04 09:47:13 lwall
* Failed hunk count not reset on multiple patch file.
*
* Revision 1.2.1.1 84/12/04 09:42:37 lwall
* Branch for sdcrdcf changes.
*
* Revision 1.2 84/11/29 13:29:51 lwall
* Linted. Identifiers uniqified. Fixed i_ptr malloc() bug. Fixed
* multiple calls to mktemp(). Will now work on machines that can only
* read 32767 chars. Added -R option for diffs with new and old swapped.
* Various cosmetic changes.
*
* Revision 1.1 84/11/09 17:03:58 lwall
* Initial revision
*
*/
#define _ILS_MACROS
#include "INTERN.h"
#include "common.h"
#include "EXTERN.h"
#include "version.h"
#include "util.h"
#include "pch.h"
#include "inp.h"
/* procedures */
void reinitialize_almost_everything();
void get_some_switches();
LINENUM locate_hunk();
void abort_hunk();
void apply_hunk();
void init_output();
void init_reject();
void copy_till();
void spew_output();
void dump_line();
bool patch_match();
bool similar();
void re_input();
void my_exit();
static struct table {
char filename[PATH_MAX];
char intrname[PATH_MAX];
} *file;
static struct table *tempptr;
static int count = 0;
/* Apply a set of diffs as appropriate. */
main(argc,argv)
int argc;
char **argv;
{
LINENUM where;
LINENUM newwhere;
LINENUM fuzz;
LINENUM mymaxfuzz;
int hunk = 0;
int failed = 0;
int failtotal = 0;
int i;
setlocale(LC_ALL, "");
catd = catopen(MF_PATCH, NL_CAT_LOCALE);
setbuf(stderr, serrbuf);
for (i = 0; i<MAXFILEC; i++)
filearg[i] = Nullch;
Mktemp(TMPOUTNAME);
Mktemp(TMPINNAME);
Mktemp(TMPREJNAME);
Mktemp(TMPPATNAME);
/* parse switches */
Argc = argc;
Argv = argv;
get_some_switches();
/* make sure we clean up /tmp in case of disaster */
set_signals(0);
for (
open_patch_file(filearg[1]);
there_is_another_patch();
reinitialize_almost_everything()
) { /* for each patch in patch file */
if (outname == Nullch)
outname = savestr(filearg[0]);
if (oflag) {
register i;
if (!onlyonce) {
(void) sprintf(buf, "/usr/bin/cp %s %s", TMPOUTNAME, TMPINTNAME);
if (system(buf))
fatal2(MSGSTR(NOCREAT, "patch: can't create %s.\n"), TMPINTNAME);
}
for (i = 0; i < count; i++) {
if (!strcmp(filearg[0], file[i].filename)) {
(void) strcpy(TMPINTNAME, file[i].intrname);
break;
} else
continue;
}
if (i == count) {
if (count % 10 == 0) {
tempptr = realloc(file, (count + 10) * sizeof(* file));
file = tempptr;
}
(void) strcpy(file[count].filename, filearg[0]);
(void) strcpy(TMPINTNAME, "/var/tmp/patchnXXXXXX");
Mktemp(TMPINTNAME);
(void) strcpy(file[count].intrname, TMPINTNAME);
(void) sprintf(buf, "/usr/bin/cp %s %s", filearg[0], TMPINTNAME);
count++;
if (system(buf))
fatal2(MSGSTR(NOCREAT, "patch: can't create %s.\n"), TMPINTNAME);
}
}
/* initialize the patched file */
if (!skip_rest_of_patch)
init_output(TMPOUTNAME);
/* for ed script just up and do it and exit */
if (diff_type == ED_DIFF) {
do_ed_script();
continue;
}
/* initialize reject file */
init_reject(TMPREJNAME);
/* find out where all the lines are */
if (!skip_rest_of_patch) {
if (oflag) {
scan_input(TMPINTNAME);
if (stat(outname, &filestat) >= 0)
/* we're interested in the permissions of the
* outfile, NOT the tempfile. */
filemode = filestat.st_mode;
}
else
scan_input(filearg[0]);
if (!(filemode & S_IWUSR)) {
say2(MSGSTR(NOOPEN, "Can't open file %s\n"), outname);
skip_rest_of_patch = TRUE;
}
}
/* from here on, open no standard i/o files, because malloc */
/* might misfire and we can't catch it easily */
/* apply each hunk of patch */
hunk = 0;
failed = 0;
out_of_mem = FALSE;
while (another_hunk()) {
hunk++;
fuzz = Nulline;
mymaxfuzz = pch_context();
if (maxfuzz < mymaxfuzz)
mymaxfuzz = maxfuzz;
if (!skip_rest_of_patch) {
do {
where = locate_hunk(fuzz);
if (hunk == 1 && where == Nulline && !force) {
/* dwim for reversed patch? */
if (!pch_swap()) {
if (fuzz == Nulline)
say1(MSGSTR(UNSWAP,
"Not enough memory to try swapped hunk! Assuming unswapped.\n"));
continue;
}
reverse = !reverse;
where = locate_hunk(fuzz); /* try again */
if (where == Nulline) { /* didn't find it swapped */
if (!pch_swap()) /* put it back to normal */
fatal1(MSGSTR(ALLOCE, "Lost hunk on alloc error!\n"));
reverse = !reverse;
}
else if (noreverse) {
if (!pch_swap()) /* put it back to normal */
fatal1(MSGSTR(ALLOCE, "Lost hunk on alloc error!\n"));
reverse = !reverse;
say1(MSGSTR(IGNORE,
"Ignoring previously applied (or reversed) patch.\n"));
skip_rest_of_patch = TRUE;
}
else {
if (reverse)
ask2(MSGSTR(REVERSE,
"Reversed (or previously applied) patch detected! Assume -R [%s] "),
nl_langinfo(YESSTR));
else
ask2(MSGSTR(UNREVERSE,
"Unreversed (or previously applied) patch detected! Ignore -R? [%s] "),
nl_langinfo(YESSTR));
if (rpmatch(buf) == 0) { /* no */
ask2(MSGSTR(ANYWAY, "Apply anyway? [%s] "), nl_langinfo(NOSTR));
if (rpmatch(buf) != 1) /* not yes */
skip_rest_of_patch = TRUE;
where = Nulline;
reverse = !reverse;
if (!pch_swap()) /* put it back to normal */
fatal1(MSGSTR(ALLOCE, "Lost hunk on alloc error!\n"));
}
}
}
} while (!skip_rest_of_patch && where == Nulline &&
++fuzz <= mymaxfuzz);
if (skip_rest_of_patch) { /* just got decided */
Fclose(ofp);
ofp = Nullfp;
}
}
newwhere = pch_newfirst() + last_offset;
if (skip_rest_of_patch) {
abort_hunk();
failed++;
if (verbose)
say3(MSGSTR(HIGNORE, "Hunk #%d ignored at %ld.\n"), hunk, newwhere);
}
else if (where == Nulline) {
abort_hunk();
failed++;
if (verbose)
say3(MSGSTR(HFAIL, "Hunk #%d failed at %ld.\n"), hunk, newwhere);
}
else {
apply_hunk(where);
if (verbose) {
say3(MSGSTR(HGOOD, "Hunk #%d succeeded at %ld"), hunk, newwhere);
if (fuzz)
say2(MSGSTR(FUZZ, " with fuzz %ld"), fuzz);
if (last_offset==1L)
say2(MSGSTR(OFFSET1," (offset %ld line)"), last_offset);
else if (last_offset > 1L)
say2(MSGSTR(OFFSET2," (offset %ld lines)"),last_offset);
say1(".\n");
}
}
}
if (out_of_mem && using_plan_a) {
say1(MSGSTR(TRYAGAIN,
"\n\nRan out of memory using Plan A--trying again...\n\n"));
continue;
}
assert(hunk);
/* finish spewing out the new file */
if (!skip_rest_of_patch)
spew_output();
/* and put the output where desired */
ignore_signals();
if (!skip_rest_of_patch) {
if (move_file(TMPOUTNAME, outname) < 0) {
toutkeep = TRUE;
chmod(TMPOUTNAME, filemode);
}
else
chmod(outname, filemode);
}
Fclose(rejfp);
rejfp = Nullfp;
if (failed) {
failtotal += failed;
if (!*rejname) {
Strcpy(rejname, outname);
#ifndef FLEXFILENAMES
{
char *rindex();
char *s = rindex(rejname,'/');
if (!s)
s = rejname;
if (strlen(s) > 13)
if (s[12] == '.') /* try to preserve difference */
s[12] = s[13]; /* between .h, .c, .y, etc. */
s[13] = '\0';
}
#endif
Strcat(rejname, REJEXT);
}
if (skip_rest_of_patch) {
say4(MSGSTR(REJECT, "%d out of %d hunks ignored--saving rejects to %s\n"),
failed, hunk, rejname);
}
else {
say4(MSGSTR(REJECT2, "%d out of %d hunks failed--saving rejects to %s\n"),
failed, hunk, rejname);
}
if (move_file(TMPREJNAME, rejname) < 0)
trejkeep = TRUE;
else
failtotal = 1;
}
set_signals(1);
}
my_exit(failtotal);
}
/* Prepare to find the next patch to do in the patch file. */
static void
reinitialize_almost_everything()
{
re_patch();
re_input();
input_lines = 0;
last_frozen_line = 0;
if (filearg[0] != Nullch && !out_of_mem) {
free(filearg[0]);
filearg[0] = Nullch;
}
if (!oflag && (outname != Nullch)) {
free(outname);
outname = Nullch;
}
last_offset = 0;
diff_type = 0;
if (revision != Nullch) {
free(revision);
revision = Nullch;
}
reverse = FALSE;
skip_rest_of_patch = FALSE;
}
static void
get_some_switches()
{
Reg2 int c;
rejname[0] = '\0';
while ((c = getopt(Argc,Argv, "bB:cd:D:efF:i:lnNo:p:r:Rsvx:")) != -1) {
switch (c) {
case 'b':
saveorig = TRUE;
break;
case 'B':
origprae = savestr(optarg);
break;
case 'c':
diff_type = diff_type ? usage() : CONTEXT_DIFF;
break;
case 'd':
if (chdir(optarg) < 0)
fatal2(MSGSTR(CANTCD, "Can't cd to %s.\n"), optarg);
break;
case 'D':
do_defines = TRUE;
if (!isalpha(*optarg))
fatal1(MSGSTR(BADD, "Argument to -D not an identifier.\n"));
Sprintf(if_defined, "#ifdef %s\n", optarg);
Sprintf(end_defined, "#endif /* %s */\n", optarg);
break;
case 'e':
diff_type = diff_type ? usage() : ED_DIFF;
break;
case 'f':
force = TRUE;
break;
case 'F':
maxfuzz = (int)strtoul(optarg, &optarg, 10);
if (*optarg != '\0')
fatal2(MSGSTR(BADN,
"Argument to -%c is not a number.\n"), (char) c);
break;
case 'i':
filearg[1] = optarg; /* patch input file */
break;
case 'l':
canonicalize = TRUE;
break;
case 'n':
diff_type = diff_type ? usage() : NORMAL_DIFF;
break;
case 'N':
noreverse = TRUE;
break;
case 'o':
oflag = TRUE;
outname = savestr(optarg);
break;
case 'p':
strippath = (int)strtoul(optarg, &optarg, 10);
if (*optarg != '\0')
fatal2(MSGSTR(BADN,
"Argument to -%c is not a number.\n"), (char) c);
break;
case 'r':
Strcpy(rejname, optarg);
break;
case 'R':
reverse = TRUE;
break;
case 's':
verbose = FALSE;
break;
case 'v':
version();
break;
#ifdef DEBUGGING
case 'x':
debug = (int)strtoul(optarg, &optarg, 10);
if (*optarg != '\0')
fatal2(MSGSTR(BADN,
"Argument to -%c is not a number.\n"), (char) c);
break;
#endif
default:
usage();
}
}
if (filearg[0] = Argv[optind++])
if (Argv[optind])
fatal1(MSGSTR(TOOMANY, "Too many file arguments.\n"));
}
/* Attempt to find the right place to apply this hunk of patch. */
static LINENUM
locate_hunk(fuzz)
LINENUM fuzz;
{
Reg1 LINENUM first_guess = pch_first() + last_offset;
Reg2 LINENUM offset;
LINENUM pat_lines = pch_ptrn_lines();
Reg3 LINENUM max_pos_offset = input_lines - first_guess
- pat_lines + 1;
Reg4 LINENUM max_neg_offset = first_guess - last_frozen_line - 1
+ pch_context();
if (!pat_lines) /* null range matches always */
return first_guess;
if (max_neg_offset >= first_guess) /* do not try lines < 0 */
max_neg_offset = first_guess - 1;
if (first_guess <= input_lines && patch_match(first_guess, Nulline, fuzz))
return first_guess;
for (offset = 1; ; offset++) {
Reg5 bool check_after = (offset <= max_pos_offset);
Reg6 bool check_before = (offset <= max_neg_offset);
if (check_after && patch_match(first_guess, offset, fuzz)) {
#ifdef DEBUGGING
if (debug & 1)
say3("Offset changing from %ld to %ld\n", last_offset, offset);
#endif
last_offset = offset;
return first_guess+offset;
}
else if (check_before && patch_match(first_guess, -offset, fuzz)) {
#ifdef DEBUGGING
if (debug & 1)
say3("Offset changing from %ld to %ld\n", last_offset, -offset);
#endif
last_offset = -offset;
return first_guess-offset;
}
else if (!check_before && !check_after)
return Nulline;
}
}
/* We did not find the pattern, dump out the hunk so they can handle it. */
static void
abort_hunk()
{
Reg1 LINENUM i;
Reg2 LINENUM pat_end = pch_end();
/* add in last_offset to guess the same as the previous successful hunk */
LINENUM oldfirst = pch_first() + last_offset;
LINENUM newfirst = pch_newfirst() + last_offset;
LINENUM oldlast = oldfirst + pch_ptrn_lines() - 1;
LINENUM newlast = newfirst + pch_repl_lines() - 1;
char *stars = (diff_type == NEW_CONTEXT_DIFF ? " ****" : "");
char *minuses = (diff_type == NEW_CONTEXT_DIFF ? " ----" : " -----");
fprintf(rejfp, "***************\n");
for (i=0; i<=pat_end; i++) {
switch (pch_char(i)) {
case '*':
if (oldlast < oldfirst)
fprintf(rejfp, "*** 0%s\n", stars);
else if (oldlast == oldfirst)
fprintf(rejfp, "*** %ld%s\n", oldfirst, stars);
else
fprintf(rejfp, "*** %ld,%ld%s\n", oldfirst, oldlast, stars);
break;
case '=':
if (newlast < newfirst)
fprintf(rejfp, "--- 0%s\n", minuses);
else if (newlast == newfirst)
fprintf(rejfp, "--- %ld%s\n", newfirst, minuses);
else
fprintf(rejfp, "--- %ld,%ld%s\n", newfirst, newlast, minuses);
break;
case '\n':
fprintf(rejfp, "%s", pfetch(i));
break;
case ' ': case '-': case '+': case '!':
fprintf(rejfp, "%c %s", pch_char(i), pfetch(i));
break;
default:
say1(MSGSTR(FHUNK, "Fatal internal error in abort_hunk().\n"));
abort();
}
}
}
/* We found where to apply it (we hope), so do it. */
static void
apply_hunk(where)
LINENUM where;
{
Reg1 LINENUM old = 1;
Reg2 LINENUM lastline = pch_ptrn_lines();
Reg3 LINENUM new = lastline+1;
Reg4 int def_state = FALSE;
Reg5 LINENUM pat_end = pch_end();
where--;
while (pch_char(new) == '=' || pch_char(new) == '\n')
new++;
if (new <= pat_end && pch_char(new) == '+') {
copy_till(where + old - 1);
if (do_defines) {
fputs(if_defined, ofp);
def_state = TRUE;
}
while (new <= pat_end && pch_char(new) == '+') {
fputs(pfetch(new), ofp);
new++;
}
}
while (old <= lastline) {
if (pch_char(old) == '-') {
copy_till(where + old - 1);
if (do_defines) {
fputs(else_defined, ofp);
fputs(pfetch(old), ofp);
}
last_frozen_line++;
old++;
} else if (new <= pat_end && pch_char(new) == '+') {
copy_till(where + old - 1);
if (do_defines) {
fputs(if_defined, ofp);
def_state = TRUE;
}
while (new <= pat_end && pch_char(new) == '+') {
fputs(pfetch(new), ofp);
new++;
}
} else {
if (pch_char(new) != pch_char(old)) {
say3(MSGSTR(BADSYNC, "Out-of-sync patch, lines %ld,%ld--mangled text or line numbers, maybe?\n"),
pch_hunk_beg() + old,
pch_hunk_beg() + new);
#ifdef DEBUGGING
say3("oldchar = '%c', newchar = '%c'\n",
pch_char(old), pch_char(new));
#endif
my_exit(1);
}
if (pch_char(new) == '!') {
copy_till(where + old - 1);
if (do_defines)
fputs(if_defined, ofp);
while (pch_char(new) == '!') {
fputs(pfetch(new), ofp);
new++;
}
if (do_defines)
fputs(else_defined, ofp);
while (pch_char(old) == '!') {
if (do_defines)
fputs(pfetch(old), ofp);
last_frozen_line++;
old++;
}
if (do_defines)
fputs(end_defined, ofp);
} else {
assert(pch_char(new) == ' ');
old++;
new++;
}
}
}
if (do_defines && def_state)
fputs(end_defined, ofp);
}
/* Open the new file. */
static void
init_output(name)
char *name;
{
ofp = fopen(name, "w");
if (ofp == Nullfp)
fatal2(MSGSTR(NOCREAT, "patch: can't create %s.\n"), name);
}
/* Open a file to put hunks we can't locate. */
static void
init_reject(name)
char *name;
{
rejfp = fopen(name, "w");
if (rejfp == Nullfp)
fatal2(MSGSTR(NOCREAT, "patch: can't create %s.\n"), name);
}
/* Copy input file to output, up to wherever hunk is to be applied. */
static void
copy_till(lastline)
Reg1 LINENUM lastline;
{
Reg2 LINENUM R_last_frozen_line = last_frozen_line;
if (R_last_frozen_line > lastline)
say1(MSGSTR(BADORDER, "patch: misordered hunks! output will be garbled.\n"));
while (R_last_frozen_line < lastline) {
dump_line(++R_last_frozen_line);
}
last_frozen_line = R_last_frozen_line;
}
/* Finish copying the input file to the output file. */
static void
spew_output()
{
#ifdef DEBUGGING
if (debug & 256)
say3("il=%ld lfl=%ld\n",input_lines,last_frozen_line);
#endif
if (input_lines)
copy_till(input_lines); /* dump remainder of file */
Fclose(ofp);
ofp = Nullfp;
}
/* Copy one line from input to output. */
static void
dump_line(line)
LINENUM line;
{
Reg1 char *s;
Reg2 char R_newline = '\n';
/* Note: string is not null terminated. */
for (s=ifetch(line, 0); putc(*s, ofp) != R_newline; s++) ;
}
/* Does the patch pattern match at line base+offset? */
static bool
patch_match(base, offset, fuzz)
LINENUM base;
LINENUM offset;
LINENUM fuzz;
{
Reg1 LINENUM pline = 1 + fuzz;
Reg2 LINENUM iline;
Reg3 LINENUM pat_lines = pch_ptrn_lines() - fuzz;
for (iline=base+offset+fuzz; pline <= pat_lines; pline++,iline++) {
if (canonicalize) {
if (!similar(ifetch(iline, (offset >= 0)),
pfetch(pline),
pch_line_len(pline) ))
return FALSE;
}
else if (strnNE(ifetch(iline, (offset >= 0)),
pfetch(pline),
pch_line_len(pline) ))
return FALSE;
}
return TRUE;
}
/* Do two lines match with canonicalized white space? */
static bool
similar(a,b,len)
Reg1 char *a;
Reg2 char *b;
Reg3 int len;
{
while (len) {
if (isspace(*b)) { /* whitespace (or \n) to match? */
if (!isspace(*a)) /* no corresponding whitespace? */
return FALSE;
while (len && isspace(*b) && *b != '\n')
b++,len--; /* skip pattern whitespace */
while (isspace(*a) && *a != '\n')
a++; /* skip target whitespace */
if (*a == '\n' || *b == '\n')
return (*a == *b); /* should end in sync */
}
else if (*a++ != *b++) /* match non-whitespace chars */
return FALSE;
else
len--; /* probably not necessary */
}
return TRUE; /* actually, this is not reached */
/* since there is always a \n */
}
/* Exit with cleanup. */
void
my_exit(status)
int status;
{
register i;
for (i = 0; i < count; i++)
Unlink(file[i].intrname);
Unlink(TMPINNAME);
if (!toutkeep) {
Unlink(TMPOUTNAME);
}
if (!trejkeep) {
Unlink(TMPREJNAME);
}
Unlink(TMPPATNAME);
exit(status);
}
static usage()
{
fatal1(MSGSTR(USAGE,
"Usage: patch [-flsvNR] [-b [-B prefix]] [-c | -e | -n] [-d directory]\n\
[-D define] [-F number] [-i patchfile] [-o outfile]\n\
[-p number] [-r rejectfile] [-x number] [file]\n"));
}
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