path: root/ChangeLog

1997-04-17  Paul Eggert  <eggert@twinsun.com>

	* configure.in (VERSION): Version 2.2 released.

	* Makefile.in (config.hin):
	Remove before building; we always want the timestamp updated.

	* inp.c (get_input_file):
	Look for RCS files only if backup_type == numbered_existing.

	* NEWS, patch.man:
	Remove mention of never-implemented -V rcs and -V sccs options.
	* patch.man: `pathname' -> `file name'
	Correct the description of how file names are found in diff headers.
	Clarify the distinction between ordinary and unified context diffs.

1997-04-13  Paul Eggert  <eggert@twinsun.com>

	* configure.in (VERSION): Update to 2.1.7.

	* patch.c (numeric_optarg): New function.
	(get_some_switches): Use it.

	* pch.c (intuit_diff_type): When creating a file, prefer a name whose
	existing dir prefix is the longest.

	* util.h (countdirs): New function.
	* util.c (replace_slashes, countdirs): New functions.
	(makedirs): Use replace_slashes, to be more like countdirs.

	* patch.man: Explain -pN vs -p N.  Recommend --new-file.
	Explain possible incompatibility with strip count.

1997-04-10  Paul Eggert  <eggert@twinsun.com>

	* configure.in (VERSION): Bump to 2.1.6.
	(AC_CHECK_HEADERS): Remove stdlib.h (i.e. remove HAVE_STDLIB_H).

	* Makefile.in: (HDRS, patchlevel.h, TAGS, distclean, maintainer-clean):
	Don't distribute patchlevel.h; let the user do it.
	This works around some obscure (possibly nonexistent?) `make' bugs.

	* common.h (program_name): extern, not XTERN.
	(<stdlib.h>): Include if STDC_HEADERS, not if HAVE_STDLIB_H.
	(atol, getenv, malloc, realloc): Don't worry whether they're #defined.

	* patch.c (get_some_switches):
	Add special hack for backwards compatibility with CVS 1.9.
	(-B, -Y, -z): Now set backup_type = simple.

	* NEWS: Fix misspellings; minor reformatting.
	* README: Report POSIX.2 compliance.

1997-04-06  Paul Eggert  <eggert@twinsun.com>

	Move all old RCS $Log entries into ChangeLog.
	#include all files with < >, not " ".

	* addext.c, argmatch.c, argmatch.h, memchr.c, install-sh:
	New files.
	* EXTERN.h, INTERN.h: Removed.
	* config.hin: Renamed from config.h.in.

	* acconfig.h (NODIR): Remove.
	(HAVE_MEMCHR): Add.

	* configure.in (AC_ARG_PROGRAM, AC_PROG_MAKE_SET, HAVE_MEMCHR): Add.
	(AC_CHECK_HEADERS): Replaces obsolescent AC_HAVE_HEADERS.
	Add stdlib.h, string.h, unistd.h, varargs.h.
	Delete obsolete call to AC_UNISTD_H.
	(AC_CONFIG_HEADER): Rename config.h.in to config.hin.
	(AC_C_CONST): Replaces obsolescent AC_CONST.
	(AC_CHECK_FUNC): Check for getopt_long; define LIBOBJS and substitute
	for it accordingly.
	(AC_CHECK_FUNCS): Replaces obsolescent AC_HAVE_FUNCS.
	Add _doprintf, isascii, mktemp, sigaction, sigprocmask, sigsetmask.
	Remove strerror.
	(AC_FUNC_CLOSEDIR_VOID, AC_FUNC_VPRINTF): Add.
	(AC_HEADER_DIRENT): Replaces obsolescent AC_DIR_HEADER.
	(AC_HEADER_STDC): Replaces obsolescent AC_STDC_HEADERS.
	(AC_SYS_LONG_FILE_NAMES): Replaces obsolescent AC_LONG_FILE_NAMES.
	(AC_TYPE_OFF_T): Replaces obsolescent AC_OFF_T.
	(AC_TYPE_SIGNAL): Replaces obsolescent AC_RETSIGTYPE.
	(AC_TYPE_SIZE_T): Replaces obsolescent AC_SIZE_T.
	(AC_XENIX_DIR): Remove.
	(ED_PROGRAM): New var.
	(NODIR): Remove.
	(PACKAGE, VERSION): New vars; substitute them with AC_SUBST.

	* Makefile.in: Conform to current GNU build standards.
	Redo dependencies.  Use library getopt_long if available.
	Use `&&' instead of `;' inside shell commands where applicable;
	GNU make requires this.
	Use double-colon rules for actions that do not build files.
	(@SET_MAKE@): Added.
	(CFLAGS, LDFLAGS, prefix, exec_prefix): Base on @ versions of symbols.
	(COMPILE, CPPFLAGS, DEFS, ED_PROGRAM, LIBOBJS, LIBSRCS, PACKAGE,
	VERSION): New symbols.
	(SRCS, OBJS, HDRS, MISC): Add new files.
	(man1dir): Renamed from mandir.
	(man1ext): Renamed from manext.
	(patch): Put -o first.
	(install): Use $(transform) to allow program to be renamed by configure.
	(patchlevel.h): Build from $(VERSION).
	(dist): Get version number from $(VERSION) and package name from
	$(PACKAGE).
	(TAGS): Scan $(HDRS).
	(maintainer-clean): Renamed from realclean.  Remove patchlevel.h.

	* backupfile.h (simple_backup_suffix): Now const *.
	(find_backup_file_name, base_name, get_version): Args are now const *.
	(base_name): New decl.
	* backupfile.c (<config.h>): Include only if HAVE_CONFIG_H.
	(<argmatch.h>): Include.
	(<string.h>): Include if HAVE_STRING_H, not if STDC_HEADERS.
	(<strings.h>): Include if !HAVE_STRING_H.
	(<unistd.h>): Do not include.
	(<dirent.h>): Redo include as per current autoconf standards.
	(<limits.h>): Include if HAVE_LIMITS_H. Define CHAR_BIT if not defined.
	(NLENGTH): Now returns size_t.
	(CLOSEDIR, INT_STRLEN_BOUND): New macros.
	(ISDIGIT): Use faster method.
	(find_backup_file_name): No longer depends on NODIR.
	Remove redundant code.
	(make_version_name): Remove; do it more portably.
	(max_backup_version): Args are now const *.
	(version_number): Simplify digit checking.
	(basename, concat, dirname): Remove.
	(argmatch, invalid_arg): Move to argmatch.c.  Simplify test for
	ambiguous args.  When reporting an error, use program_name not "patch".
	(addext): Move to addext.c.  Treat all negative values from pathconf
	like -1.  Always use long extension if it fits, even if the filesystem
	does not support long file names.
	(backup_types): Now const.

	* common.h, inp.h (XTERN): Renamed from EXT to avoid collision
	with errno.h reserved name space.

	* common.h (DEBUGGING): Now an integer; default is 1.
	(enum diff): New type.
	(diff_type): Use it instead of small integers.
	(CONTEXT_DIFF, NORMAL_DIFF, ED_DIFF, NEW_CONTEXT_DIFF, UNI_DIFF):
	Now enumerated values instead of macros.
	(NO_DIFF): New enumerated value (used instead of 0).
	(volatile): Default to the empty string if __STDC__ is not defined.
	(<signal.h>): Do not include.
	(Chmod, Close, Fclose, Fflush, Fputc, Signal, Sprintf, Strcat,
	Strcpy, Unlink, Write): Remove these macros; casts to void are
	not needed for GNU coding standards.
	(INITHUNKMAX): Move to pch.c.
	(malloc, realloc, INT_MIN, MAXLINELEN, strNE, strnNE,
	Reg1, Reg2, Reg3, Reg4, Reg5, Reg6, Reg7, Reg8, Reg9, Reg10, Reg11,
	Reg12, Reg13, Reg14, Reg15, Reg16): Remove these macros.
	(S_IXOTH, S_IWOTH, S_IROTH, S_IXGRP, S_IWGRP,
	S_IRGRP, S_IXUSR, S_IWUSR, S_IRUSR, O_RDONLY, O_RDWR):
	Define these macros, if not defined.
	(CTYPE_DOMAIN, ISLOWER, ISSPACE, ISDIGIT, PARAMS): New macros.
	(instat): Renamed from filestat; used for input file now.
	(bufsize, using_plan_a, debug, strippath): Not statically initialized.
	(debug): #define to 0 if not DEBUGGING, so that users of `debug'
	no longer need to be surrounded by `#if DEBUGGING'.
	(out_of_mem, filec, filearg, outname, toutkeep, trejkeep): Remove.
	(inname, inerrno, dry_run, origbase): New variables.
	(origprae): Now const*.
	(TMPOUTNAME, TMPINNAME, TMPPATNAME): Now const*volatile.
	(verbosity): New variable; subsumes `verbose'.
	(DEFAULT_VERBOSITY, SILENT, VERBOSE): Values in a new enum.
	(verbose): Removed.
	(VOID): Use `#ifdef __STDC__' instead of`#if __STDC__',
	for consistency elsewhere.
	(__attribute__): New macro (empty if not a recent GCC).
	(fatal_exit): Renamed from my_exit.
	(errno): Don't define if STDC_HEADERS.
	(<string.h>): Include if either STDC_HEADERS or HAVE_STRING_H.
	(memcmp, memcpy): Define if !STDC_HEADERS && !HAVE_STRING_H
	&& !HAVE_MEMCHR.
	(<stdlib.h>): Include if HAVE_STDLIB_H, not if STDC_HEADERS.
	(atol, getenv, malloc, realloc, lseek): Declare only if not defined
	as a macro.
	(popen, strcpy, strcat, mktemp): Do not declare.
	(lseek): Declare to yield off_t, not long.
	(<fcntl.h>): Include only if HAVE_FCNTL_H.

	* inp.h (get_input_file): New decl.
	* inp.c (SCCSPREFIX, GET, GET_LOCKED, SCCSDIFF, RCSSUFFIX, CHECKOUT,
	CHECKOUT_LOCKED, RCSDIFF): Moved here from common.h.
	(i_ptr): Now char const **.
	(i_size): Remove.
	(TIBUFSIZE_MINIMUM): Define only if not already defined.
	(plan_a, plan_b): Arg is now const *.
	(report_revision): Declare before use.  It's now the caller's
	responsibility to test whether revision is 0.
	(scan_input, report_revision, get_input_file):
	Be less chatty unless --verbose.
	(get_input_file): New function, split off from plan_a.
	Reuse file status gotten by pch if possible.  Allow for dry run.
	Use POSIX bits for creat, not number.  Check for creation and
	close failure, and use fstat not stat.  Use memcpy not strncpy.
	(plan_a): Rewrite for speed.
	Caller now assigns result to using_plan_a.
	Don't bother reading empty files; during dry runs they might not exist.
	Use ISSPACE, not isspace.
	(plan_b): Allow for dry runs.  Use ISSPACE, and handle sign extension
	correctly on arg.  Use POSIX symbol for open arg.

	* patch.c (backup, output, patchname, program_name): New vars.
	(last_frozen_line): Moved here from inp.h.
	(TMPREJNAME): Moved here from common.h.
	(optind_last): Removed.
	(do_defines, if_defined, not_defined, else_defined, end_defined):
	Now char const.  Prepend with \n (except for not_defined) to
	allow for files ending in non-newline.
	(Argv): Now char*const*.
	(main, get_some_switches): Exit status 0 means success,
	1 means hunks were rejected, 2 means trouble.
	(main, locate_hunk, patch_match): Keep track of patch prefix context
	separately from suffix context; this fixes several bugs.
	(main): Initialize bufsize, strippath.
	Be less chatty unless --verbose.
	No more NODIR; always have version control available.
	Require environment variables to be nonempty to have effect.
	Add support for --dry-run, --output, --verbose.
	Invoke get_input_file first, before deciding among do_ed_script,
	plan_a, or plan_b.
	Clear ofp after closing it, to keep discipline that ofp is either
	0 or open, to avoid file descriptor leaks.  Conversely, rejfp doesn't
	need this trick since static analysis is enough to show when it
	needs to be closed.
	Don't allow file-creation patches to be applied to existing files.
	Misordered hunks are now not fatal errors; just go on to the next file.
	It's a fatal error to fall back on plan B when --output is given,
	since the moving hand has writ.
	Add support for binary files.
	Check for I/O errors.
	chmod output file ourselves, rather than letting move_file do it;
	this saves global state.
	Use better grammar when outputting hunks messages, e.g. avoid
	`1 hunks'.
	(main, reinitialize_almost_everything):
	Remove support for multiple file arguments.
	Move get_some_switches call from reinitialize_almost_everything
	to main.
	(reinitialize_almost_everything): No need to reinitialize things
	that are no longer global variables, e.g. outname.
	(shortopts): Remove leading "-"; it's no longer important to
	return options and arguments in order.  '-b' no longer takes operand.
	-p's operand is no longer optional.  Add -i, -Y, -z.  Remove -S.
	(longopts): --suffix is now pared with -z, not -b.  --backup now
	means -b.  Add --input, --basename-prefix, --dry-run, --verbose.
	Remove --skip.  --strip's operand is now required.
	(option_help): New variable.  Use style of current coding standards.
	Change to match current option set.
	(usage): Use it.
	(get_some_switches): Get all switches, since `+' is defunct.
	New options -i, -Y, -z, --verbose, --dry-run.
	Option -S removed.
	-b now means backup (backup_type == simple), not simple_backup_suffix.
	-B now implies backup, and requires nonempty operand.
	-D no longer requires first char of argument to be an identifier.
	`-o -' is now disallowed (formerly output to regular file named "-").
	-p operand is now required.
	-v no longer needs to cleanup (no temp files can exist at that point).
	-V now implies backup.
	Set inname, patchname from file name arguments, if any;
	do not set filearg.  It's now an error if extra operands are given.
	(abort_junk): Check for write errors in reject file.
	(apply_hunk, copy_till): Return error flag, so that failure to apply
	out-of-order hunk is no longer fatal.
	(apply_hunk): New arg after_newline,
	for patching files not ending in newline.
	Cache ofp for speed.  Check for write errors.
	(OUTSIDE, IN_IFNDEF, IN_IFDEF, IN_ELSE): Now part of an enumerated type
	instead of being #defined to small integers.
	Change while-do to do-while when copying !-part for R_do_defines,
	since condition is always true the first time through the loop.
	(init_output, init_reject): Arg is now const *.
	(copy_till, spew_output): Do not insert ``missing'' newlines;
	propagate them via new after_newline argument.
	(spew_output): Nothing to copy if last_frozen_line == input lines.
	Do not close (ofp) if it's null.
	(dump_line): Remove.
	(similar): Ignore presence or absence of trailing newlines.
	Check for only ' ' or '\t', not isspace (as per POSIX.2).
	(make_temp): Use tmpnam if mktemp is not available.
	(cleanup): New function.
	(fatal_exit): Use it.  Renamed from my_exit.
	Take signal to exit with, not exit status (which is now always 2).

	* pch.h, pch.c (pch_prefix_context, pch_suffix_context):
	New fns replacing pch_context.
	(another_hunk): Now yields int, not bool; -1 means out of memory.
	Now takes difftype as argument.
	(pch_write_line): Now returns boolean indicating whether we're after
	a newline just after the write, for supporting non-text files.
	* pch.c (isdigit): Remove; use ISDIGIT instead.
	(INITHUNKMAX): Moved here from common.h.
	(p_context): Removed.  We need to keep track of the pre- and post-
	context separately, in:
	(p_prefix_context, p_suffix_context): New variables.
	(bestguess): Remove.
	(open_patch_file): Arg is now char const *.
	Copy file a buffer at a time, not a char at a time, for speed.
	(grow_hunkmax): Now returns success indicator.
	(there_is_another_patch, skip_to, another_hunk, do_ed_script):
	Be less chatty unless --verbose.
	(there_is_another_patch):
	Avoid infinite loop if user input keeps yielding EOF.
	(intuit_diff_type): New returns enum diff, not int.
	Strip paths as they're being fetched.
	Set ok_to_create_file correctly even if patch is reversed.
	Set up file names correctly with unidiff output.
	Use algorithm specified by POSIX 1003.2b/D11 to deduce
	name of file to patch, with the exception of patches
	that can create files.
	(skip_to): Be verbose if !inname, since we're about to ask the
	user for a file name and the context will help the user choose.
	(another_hunk): Keep context as LINENUM, not int.
	If the replacement is missing, calculate its context correctly.
	Don't assume input ends in newline.
	Keep track of patch prefix context separately from suffix context;
	this fixes several bugs.
	Don't assume blank lines got chopped if the replacement is missing.
	Report poorly-formed hunks instead of aborting.
	Do not use strcpy on overlapping strings; it's not portable.
	Work even if lines are incomplete.
	Fix bugs associated with context-less context hunks,
	particularly when patching in reverse.
	(pget_line): Now takes just 1 arg; instead of second arg,
	just examine using_plan_a global.  Return -1 if we ran out
	of memory.
	(do_ed_script): Now takes output FILE * argument.
	Take name of editor from ED_PROGRAM instead of hardwiring /bin/ed.
	Don't bother unlinking TMPOUTNAME.
	Check for popen failure.
	Flush pipe to check for output errors.
	If ofp is nonzero, copy result to it, instead of trying to
	move the result.

	* util.h, util.c (say1, say2, say3, say4, fatal1, fatal2, fatal3,
	fatal4, pfatal1, pfatal2, pfatal3, pfatal4, ask1, ask2, ask3, ask4):
	Remove; replaced with following.
	(ask, say, fatal, pfatal): New stdarg functions.
	(fetchname): Remove last, `assume_exists' parameter.
	(savebuf, savestr, move_file, copy_file): Args are now const *.
	(exit_with_signal): New function, for proper process status if
	a signal is received as per POSIX.2.
	(basename): Rename to `base_name' and move to backupfile.
	* util.c (<signal.h>): Include here, not in common.h.
	(vararg_start): New macro.
	(va_dcl, va_start, va_arg, va_end): Define if neither <stdarg.h>
	nor <varargs.h> are available.
	(SIGCHLD): Define to SIGCLD if SIGCLD is defined and
	SIGCHLD isn't.
	(private_strerror): Remove.
	(move_file): Remove option of moving to stdout.
	Add support for -Y, -z.
	Don't assume chars in file name are nonnegative.
	Use copy_file if rename fails due to EXDEV;
	report failure if rename fails for any other reason.
	(copy_file, makedirs): Use POSIX symbols for permissions.
	(copy_file): Open source before destination.
	(remove_prefix): New function.
	(vfprintf): New function, if !HAVE_VPRINTF.
	(afatal, apfatal, zfatal, zpfatal, errnum): Remove.
	(fatal, pfatal, say): New functions that use stdarg.
	All callers changed.
	(zask): Renamed from `ask'.  Now uses stdarg.  Output to stdout,
	and read from /dev/tty, or if that cannot be opened, from
	stderr, stdout, stdin, whichever is first a tty.
	Print "EOF" when an EOF is read.  Do not echo input.
	(sigs): New array.
	(sigset_t, sigemptyset, sigmask, sigaddset, sigismember, SIG_BLOCK,
	SIG_UNBLOCK, SIG_SETMASK, sigprocmask, sigblock, sigsetmask):
	Define substitutes if not available.
	(initial_signal_mask, signals_to_block): New vars.
	(fatal_exit_handler): New function, if !HAVE_SIGACTION.
	(set_signals, ignore_signals): Use sigaction and sigprocmask style
	signal-handling if possible; it doesn't lose signals.
	(set_signals): Default SIGCHLD to work around SysV fork+wait bug.
	(mkdir): First arg is now const *.
	(makedirs): Handle multiple adjacent slashes correctly.
	(fetchname): Do not worry about whether the file exists
	(that is now the caller's responsibility).
	Treat a sequence of one or more slashes like one slash.
	Do not unstrip leading directories if they all exist and if
	no -p option was given; POSIX doesn't allow this.
	(memcmp): Remove (now a macro in common.h).

	* version.c (copyright_string, free_software_msgid, authorship_msgid):
	New constants.
	(version): Use them.  Use program_name instead of hardwiring it.

	* patch.man: Generate date from RCS Id.
	Rewrite to match the above changes.

Fri Jul 30 02:02:51 1993  Paul Eggert  (eggert@twinsun.com)

	* configure.in (AC_HAVE_FUNCS): Add mkdir.

	* common.h (Chmod, Fputc, Write, VOID): New macros.
	(malloc, realloc): Yield `VOID *', not `char *'.

	* util.h (makedirs): Omit `striplast' argument.  Remove `aask'.

	* inp.c (plan_a): Remove fixed internal buffer.  Remove lint.

	* util.c (set_signals, ignore_signals): Trap SIGTERM, too.
	(makedirs): Removed fixed internal buffer.  Omit `striplast' argument.
	(mkdir): New function, if !HAVE_MKDIR.
	(fetchname): Remove fixed internal buffer.
	Remove lint from various functions.

	* patch.c, pch.c: Remove lint.

Thu Jul 29 20:52:07 1993  David J. MacKenzie  (djm@wookumz.gnu.ai.mit.edu)

	* Makefile.in (config.status): Run config.status --recheck, not
	configure, to get the right args passed.

Thu Jul 29 07:46:16 1993  Paul Eggert  (eggert@twinsun.com)

	* The following changes remove all remaining fixed limits on memory,
	and fix bugs in patch's handling of null bytes and files that do not
	end in newline.  `Patch' now works on binary files.

	* backupfile.c (find_backup_file_name): Don't dump core if malloc fails.

	* EXTERN.h, INTERN.h (EXITING): New macro.
	* backupfile.[ch], patch.c, pch.c: Add PARAMS to function declarations.

	* common.h (bool): Change to int, so ANSI C prototype promotion works.
	(CANVARARG): Remove varargs hack; it wasn't portable.
	(filearg): Now a pointer, not an array, so that it can be reallocated.
	(GET*, SCCSDIFF, CHECKOUT*, RCSDIFF): Quote operands to commands.
	(my_exit): Declare here.
	(BUFFERSIZE, Ctl, filemode, Fseek, Fstat, Lseek, MAXFILEC, MAXHUNKSIZE,
	Mktemp, myuid, Null, Nullch, Nullfp, Nulline, Pclose, VOIDUSED): Remove.
	All invokers changed.
	(Argc, Argv, *define[sd], last_offset, maxfuzz, noreverse, ofp,
	optind_last, rejfp, rejname): No longer externally visible; all
	definers changed.
	(INT_MAX, INT_MIN, STD*_FILENO, SEEK_SET): Define if the underlying
	system doesn't.  Include <limits.h> for this.

	* configure.in: Add limits.h, memcmp.  Delete getline.

	* inp.c (tibufsize): New variable; buffers grow as needed.
	(TIBUFSIZE_MINIMUM): New macro.
	(report_revision): New function.
	(plan_a): Do not search patch as a big string, since that fails
	if it contains null bytes.
	Prepend `./' to filenames starting with `-', for RCS and SCCS.
	If file does not match default RCS/SCCS version, go ahead and patch
	it anyway; warn about the problem but do not report a fatal error.
	(plan_b): Do not use a fixed buffer to read lines; read byte by byte
	instead, so that the lines can be arbitrarily long.  Do not search
	lines as strings, since they may contain null bytes.
	(plan_a, plan_b): Report I/O errors.

	* inp.c, inp.h (rev_in_string): Remove.
	(ifetch): Yield size of line too, since strlen no longer applies.
	(plan_a, plan_b): No longer exported.

	* patch.c (abort_hunk, apply_hunk, patch_match, similar):
	Lines may contain NUL and need not end in newline.
	(copy_till, dump_line): Insert newline if appending after partial line.
	All invokers changed.
	(main, get_some_switches, apply_hunk): Allocate *_define[ds], filearg,
	rejname dynamically.
	(make_temp): New function.
	(main): Use it.
	(main, spew_output, dump_line) Check for I/O errors.

	* pch.c (open_patch_file): Don't copy stdin to a temporary file if
	it's a regular file, since we can seek on it directly.
	(open_patch_file, skip_to, another_hunk): The patch file may contain
	NULs.
	(another_hunk): The patch file may contain lines starting with '\',
	which means the preceding line lacked a trailing newline.
	(pgetline): Rename to pget_line.
	(get_line, incomplete_line, pch_write_line): New functions.
	(pch_line_len): Return size_t, not short; lines may be very long.
	(do_ed_script): Check for I/O errors.  Allow scripts to contain
	'i' and 's' commands, too.

	* pch.h (pfp, grow_hunkmax, intuit_diff_type, next_intuit_at, skip_to,
	pfetch, pgetline): No longer exported.
	(pch_write_line): New declaration.
	(getline): Removed.

	* util.c (move_file, fetchname): Use private stat buffer, so that
	filestat isn't lost.  Check for I/O errors.
	(savestr): Use savebuf.
	(zask): Use STD*_FILENO instead of 0, 1, 2.
	(fetchname): strip_leading defaults to INT_MAX instead of 957 (!).
	(memcmp): Define if !HAVE_MEMCMP.

	* util.c, util.h (say*, fatal*, pfatal*, ask*): Delete; these
	pseudo-varargs functions weren't ANSI C.  Replace by macros
	that invoke [fs]printf directly, and invoke new functions
	[az]{say,fatal,pfatal,ask} before and after.
	(savebuf, read_fatal, write_fatal, memory_fatal, Fseek): New functions.
	(fatal*): Output trailing newline after message.  All invokers changed.

	* version.c (version): Don't exit.

	* Makefile.in (SRCS): Remove getline.c.

Thu Jul 22 15:24:24 1993  David J. MacKenzie  (djm@goldman.gnu.ai.mit.edu)

	* EXTERN.h, INTERN.h (PARAMS): Define.
	* backupfile.h, common.h, inp.h, pch.h, util.h: Use.
	* backupfile.c: Include EXTERN.h.

Wed Jul 21 13:14:05 1993  David J. MacKenzie  (djm@goldman.gnu.ai.mit.edu)

	* getline.c: New file.
	* configure.in: Check for getline (GNU libc has it).
	* pch.c: Use it instead of fgets.
	(pgetline): Renamed from pgets.  Change callers.
	* pch.h: Change decl.

	* pch.c (pgets): Tab adjusts by 8 - (indent % 8), not % 7.
	Be consistent with similar code in pch.c::intuit_diff_type.

	* common.h (MEM): Typedef removed.
	inp.c, pch.c, util.c: Use size_t instead of MEM.
	inp.c, pch.c: Use off_t.
	configure.in: Add AC_SIZE_T and AC_OFF_T.

	* common.h: Make buf a pointer and add a bufsize variable.
	* util.c, pch.c, inp.c: Replace sizeof buf with bufsize.
	* patch.c: malloc buf to bufsize bytes.

Tue Jul 20 20:40:03 1993  Paul Eggert  (eggert@twinsun.com)

	* common.h (BUFFERSIZE): Grow it to 8k too, just in case.
	(buf): Turn `buf' back into an array; making it a pointer broke
	things seriously.
	* patch.c (main): Likewise.

Tue Jul 20 20:02:40 1993  David J. MacKenzie  (djm@goldman.gnu.ai.mit.edu)

	* Move Reg[1-16] and CANVARARG decls from config.h.in to common.h.
	* acconfig.h: New file.
	* Makefile (HDRS): Add it.

Tue Jul 20 16:35:27 1993  Paul Eggert  (eggert@twinsun.com)

	* Makefile.in: Remove alloca.[co]; getopt no longer needs it.
	* configure.in (AC_ALLOCA): Remove.

	* util.c (set_signals, ignore_signals): Do nothing if SIGHUP
	and SIGINT aren't defined.

Tue Jul 20 17:59:56 1993  David J. MacKenzie  (djm@goldman.gnu.ai.mit.edu)

	* patch.c (main): Call xmalloc, not malloc.  xmalloc buf.
	* common.h: Declare xmalloc.  Make buf a pointer, not an array.

	* util.c (xmalloc): Call fatal1, not fatal.

	* common.h [MAXLINELEN]: Bump from 1k to 8k.

Thu Jul  8 19:56:16 1993  David J. MacKenzie  (djm@goldman.gnu.ai.mit.edu)

	* Makefile.in (installdirs): New target.
	(install): Use it.
	(Makefile, config.status, configure): New targets.

Wed Jul  7 13:25:40 1993  David J. MacKenzie  (djm@goldman.gnu.ai.mit.edu)

	* patch.c (get_some_switches, longopts): Recognize --help
	option, and call usage.
	(usage): New function.

Fri Jun 25 07:49:45 1993  Paul Eggert  (eggert@twinsun.com)

	* backupfile.c (find_backup_file_name): Don't use .orig if
	numbered_existing with no existing numbered backup.
	(addext):  Don't use ext if !HAVE_LONG_FILE_NAMES,
	even if it would fit.  This matches patch's historical behavior.
	(simple_backup_suffix): Default to ".orig".
	* patch.c (main): Just use that default.

Tue Jun 15 22:32:14 1993  Paul Eggert  (eggert@twinsun.com)

	* config.h.in (HAVE_ALLOCA_H): This #undef was missing.
	* Makefile.in (info, check, installcheck): New rules.

Sun Jun 13 14:31:29 1993  Paul Eggert  (eggert@twinsun.com)

	* config.h.in (index, rindex): Remove unused macro
	definitions; they get in the way when porting to AIX.
	* config.h.in, configure.in (HAVE_STRING_H): Remove unused defn.

Thu Jun 10 21:13:47 1993  Paul Eggert  (eggert@twinsun.com)

	* patchlevel.h: PATCH_VERSION 2.1.
	(The name `patch-2.0.12g12' is too long for traditional Unix.)

	* patchlevel.h (PATCH_VERSION): Renamed from PATCHLEVEL.
	Now contains the entire patch version number.
	* version.c (version): Use it.

Wed Jun  9 21:43:23 1993  Paul Eggert  (eggert@twinsun.com)

	* common.h: Remove declarations of index and rindex.
	* backupfile.c: Likewise.
	(addext, basename, dirname): Avoid rindex.

Tue Jun  8 15:24:14 1993  Paul Eggert  (eggert@twinsun.com)

	* inp.c (plan_a): Check that RCS and working files are not the
	same.  This check is needed on hosts that do not report file
	name length limits and have short limits.

Sat Jun  5 22:56:07 1993  Paul Eggert  (eggert@twinsun.com)

	* Makefile.in (.c.o): Put $(CFLAGS) after other options.
	(dist): Switch from .z to .gz.

Wed Jun  2 10:37:15 1993  Paul Eggert  (eggert@twinsun.com)

	* backupfile.c (find_backup_file_name): Initialize copy of
	file name properly.

Mon May 31 21:55:21 1993  Paul Eggert  (eggert@twinsun.com)

	* patchlevel.h: Patch level 12g11.

	* pch.c (p_Char): Renamed from p_char, which is a system type
	in Tex XD88's <sys/types.h>.

	* backupfile.c: Include "config.h" first, so that `const' is
	treated consistently in system headers.

Mon May 31 16:06:23 1993  Paul Eggert  (eggert@twinsun.com)

	* patchlevel.h: Patch level 12g10.

	* configure.in: Add AC_CONST.
	* config.h.in: Add `const'.
	* Makefile.in (.c.o): Add -DHAVE_CONFIG_H.
	(getopt.o getopt1.o): Depend on config.h.

	* util.c (xmalloc): New function; alloca.c needs this.

Mon May 31 00:49:40 1993  Paul Eggert  (eggert@twinsun.com)

	* patchlevel.h: PATCHLEVEL 12g9.

	* backupfile.c, backupfile.h (addext): New function.
	It uses pathconf(), if available, to determine maximum file
	name length.
	* patch.c (main): Use it for reject file name.
	* common.h (ORIGEXT): Moved to patch.c.
	* config.h.in (HAVE_PATHCONF): New macro.
	* configure.in: Define it.

	* Makefile.in (dist): Use gzip, not compress.

Sat May 29 09:42:18 1993  Paul Eggert  (eggert@twinsun.com)

	* patch.c (main): Use pathconf to decide reject file name.
	* common.h (REJEXT): Remove.

	* inp.c (plan_a): Don't lock the checked-out file if `patch -o'
	redirected the output elsewhere.
	* common.h (CHECKOUT_LOCKED, GET_LOCKED): New macros.  GET and
	CHECKOUT now just checkout unlocked copies.

Fri May 28 08:44:50 1993  Paul Eggert  (eggert@twinsun.com)

	* backupfile.c (basename): Define even if NODIR isn't defined.
	* patch.c (main): Ask just once to apply a reversed patch.

Tue Nov 24 08:09:04 1992  David J. MacKenzie  (djm@goldman.gnu.ai.mit.edu)

	* config.h.in, common.h: Use HAVE_FCNTL_H and HAVE_STRING_H
	instead of USG.

	* backupfile.c: Use SYSDIR and NDIR instead of USG.
	Define direct as dirent, not vice-versa.

Wed Sep 16 17:11:48 1992  David J. MacKenzie  (djm@nutrimat.gnu.ai.mit.edu)

	* patch.c (get_some_switches): optc should be int, not char.

Tue Sep 15 00:36:46 1992  David J. MacKenzie  (djm@nutrimat.gnu.ai.mit.edu)

	* patchlevel.h: PATCHLEVEL 12g8.

Mon Sep 14 22:01:23 1992  David J. MacKenzie  (djm@nutrimat.gnu.ai.mit.edu)

	* Makefile.in: Add uninstall target.

	* util.c (fatal, pfatal): Add some asterisks to make fatal
	messages stand out more.

Tue Aug 25 22:13:36 1992  David J. MacKenzie  (djm@nutrimat.gnu.ai.mit.edu)

	* patch.c (main, get_some_switches), common.h, inp.c (plan_a,
	plan_b), pch.c (there_is_another_patch): Add -t --batch
	option, similar to -f --force.

Mon Jul 27 11:27:07 1992  David J. MacKenzie  (djm@nutrimat.gnu.ai.mit.edu)

	* common.h: Define SCCSDIFF and RCSDIFF.
	* inp.c (plan_a): Use them to make sure it's safe to check out
	the default RCS or SCCS version.
	From Paul Eggert.

Mon Jul 20 14:10:32 1992  David J. MacKenzie  (djm@nutrimat.gnu.ai.mit.edu)

	* util.h: Declare basename.
	* inp.c (plan_a), util.c (fetchname): Use it to isolate the
	leading path when testing for RCS and SCCS files.

Fri Jul 10 16:03:23 1992  David J. MacKenzie  (djm@nutrimat.gnu.ai.mit.edu)

	* util.c (makedirs): Only make the directories that don't exist.
	From chip@tct.com (Chip Salzenberg).

Wed Jul  8 01:20:56 1992  David J. MacKenzie  (djm@nutrimat.gnu.ai.mit.edu)

	* patch.c (main): Open ofp after checking for ed script.
	Close ofp and rejfp before trying plan B.
	From epang@sfu.ca (Eugene Pang).

	* util.c (fatal, pfatal): Print "patch: " before message.
	* pch.c, inp.c, patch.c, util.c: Remove "patch: " from the
	callers that had it.

	* common.h (myuid): New variable.
	* patch.c (main): Initialize it.
	* inp.c (myuid): Function removed.
	(plan_a): Use the variable, not the function.

	* patch.c: Add back -E --remove-empty-files option.

Tue Jul  7 23:19:28 1992  David J. MacKenzie  (djm@nutrimat.gnu.ai.mit.edu)

	* inp.c (myuid): New function.
	(plan_a): Call it.  Optimize stat calls.  Be smarter about
	detecting checked out RCS and SCCS files.
	From Paul Eggert (eggert@twinsun.com).

	* inp.c, util.c, patch.c: Don't bother checking for stat() > 0.

Mon Jul  6 13:01:52 1992  David J. MacKenzie  (djm@nutrimat.gnu.ai.mit.edu)

	* util.c (move_file): Use rename instead of link and copying.

	* util.c (pfatal): New function.
	* util.h: Declare it and pfatal[1-4] macros.
	* various files: Use it instead of fatal where appropriate.

	* common.h, patch.c: Replace Arg[cv]_last with optind_last.

	* patch.c (main, get_some_switches): Use getopt_long.  Update
	usage message.
	(nextarg): Function removed.

	* Rename FLEXFILENAMES to HAVE_LONG_FILE_NAMES,
	VOIDSIG to RETSIGTYPE.

	* backupfile.c, common.h: Use STDC header files if available.
	backupfile.h: Declare get_version.

	* COPYING, COPYING.LIB, INSTALL, Makefile.in, alloca.c,
	config.h.in, configure, configure.in, getopt.[ch], getopt1.c,
	rename.c: New files.
	* Configure, MANIFEST, Makefile.SH, config.H, config.h.SH,
	malloc.c: Files removed.

	* version.c (version): Don't print the RCS stuff, since we're
	not updating it regularly.

	* patchlevel.h: PATCHLEVEL 12u7.

	* Makefile.SH (dist): New target.
	Makedist: File removed.

	* inp.c (plan_a): Check whether the user can write to the
	file, not whether anyone can write to the file.

Sat Jul  4 00:06:58 1992  David J. MacKenzie  (djm@nutrimat.gnu.ai.mit.edu)

	* inp.c (plan_a): Try to check out read-only files from RCS or SCCS.

	* util.c (move_file): If backing up by linking fails, try copying.
	From cek@sdc.boeing.com (Conrad Kimball).

	* patch.c (get_some_switches): Eliminate -E option; always
	remove empty output files.

	* util.c (fetchname): Only undo slash removal for relative
	paths if -p was not given.

	* Makefile.sh: Add mostlyclean target.

Fri Jul  3 23:48:14 1992  David J. MacKenzie  (djm@nutrimat.gnu.ai.mit.edu)

	* util.c (fetchname): Accept whitespace between `Index:' and filename.
	Also plug a small memory leak for diffs against /dev/null.
	From eggert@twinsun.com (Paul Eggert).

	* common.h: Don't define TRUE and FALSE if already defined.
	From phk@data.fls.dk (Poul-Henning Kamp).

Wed Apr 29 10:19:33 1992  David J. MacKenzie  (djm@churchy.gnu.ai.mit.edu)

	* backupfile.c (get_version): Exit if given a bad backup type.

Fri Mar 27 09:57:14 1992  Karl Berry  (karl at hayley)

	* common.h (S_ISDIR, S_ISREG): define these.
	* inp.c (plan_a): use S_ISREG, not S_IFREG.
	* util.c (fetchname): use S_ISDIR, not S_IFDIR.

Mon Mar 16 14:10:42 1992  David J. MacKenzie  (djm@wookumz.gnu.ai.mit.edu)

	* patchlevel.h: PATCHLEVEL 12u6.

Sat Mar 14 13:13:29 1992  David J. MacKenzie  (djm at frob.eng.umd.edu)

	* Configure, config.h.SH: Check for directory header and unistd.h.

	* patch.c (main): If -E was given and output file is empty after
	patching, remove it.
	(get_some_switches): Recognize -E option.

	* patch.c (copy_till): Make garbled output an error, not a warning
	that doesn't change the exit status.

	* common.h: Protect against system declarations of malloc and realloc.

	* Makedist: Add backupfile.[ch].

	* Configure: Look for C library where NeXT and SVR4 put it.
	Look in /usr/ucb after /bin and /usr/bin for utilities,
	and look in /usr/ccs/bin, to make SVR4 happier.
	Recognize m68k predefine.

	* util.c (fetchname): Test of stat return value was backward.
	From csss@scheme.cs.ubc.ca.

	* version.c (version): Exit with status 0, not 1.

	* Makefile.SH: Add backupfile.[cho].
	* patch.c (main): Initialize backup file generation.
	(get_some_switches): Add -V option.
	* common.h, util,c, patch.c: Replace origext with simple_backup_suffix.
	* util.c (move_file): Use find_backup_file_name.

Tue Dec  3 11:27:16 1991  David J. MacKenzie  (djm at wookumz.gnu.ai.mit.edu)

	* patchlevel.h: PATCHLEVEL 12u5.

	* Makefile.SH: Change clean, distclean, and realclean targets a
	little so they agree with the GNU coding standards.
	Add Makefile to addedbyconf, so distclean removes it.

	* Configure: Recognize Domain/OS C library in /lib/libc.
	From mmuegel@mot.com (Michael S. Muegel).

	* pch.c: Fixes from Wayne Davison:
	Patch now accepts no-context context diffs that are
	specified with an assumed one line hunk (e.g.  "*** 10 ****").
	Fixed a bug in both context and unified diff processing that would
	put a zero-context hunk in the wrong place (one line too soon).
	Fixed a minor problem with p_max in unified diffs where it would
	set p_max to hunkmax unnecessarily (the only adverse effect was to
	not supply empty lines at eof by assuming they were truncated).

Tue Jul  2 03:25:51 1991  David J. MacKenzie  (djm at geech.gnu.ai.mit.edu)

	* Configure: Check for signal declaration in
	/usr/include/sys/signal.h as well as /usr/include/signal.h.

	* Configure, common.h, config.h.SH: Comment out the sprintf
	declaration and tests to determine its return value type.  It
	conflicts with ANSI C systems' prototypes in stdio.h and the
	return value of sprintf is never used anyway -- it's always cast
	to void.

Thu Jun 27 13:05:32 1991  David J. MacKenzie  (djm at churchy.gnu.ai.mit.edu)

	* patchlevel.h: PATCHLEVEL 12u4.

Thu Feb 21 15:18:14 1991  David J. MacKenzie  (djm at geech.ai.mit.edu)

	* pch.c (another_hunk): Fix off by 1 error.  From
	iverson@xstor.com (Tim Iverson).

Sun Jan 20 20:18:58 1991  David J. MacKenzie  (djm at geech.ai.mit.edu)

	* Makefile.SH (all): Don't make a dummy `all' file.

	* patchlevel.h: PATCHLEVEL 12u3.

	* patch.c (nextarg): New function.
	(get_some_switches): Use it, to prevent dereferencing a null
	pointer if an option that takes an arg is not given one (is last
	on the command line).  From Paul Eggert.

	* pch.c (another_hunk): Fix from Wayne Davison to recognize
	single-line hunks in unified diffs (with a single line number
	instead of a range).

	* inp.c (rev_in_string): Don't use `s' before defining it.  From
	Wayne Davison.

Mon Jan  7 06:25:11 1991  David J. MacKenzie  (djm at geech.ai.mit.edu)

	* patchlevel.h: PATCHLEVEL 12u2.

	* pch.c (intuit_diff_type): Recognize `+++' in diff headers, for
	unified diff format.  From unidiff patch 1.

Mon Dec  3 00:14:25 1990  David J. MacKenzie  (djm at albert.ai.mit.edu)

	* patch.c (get_some_switches): Make the usage message more
	informative.

Sun Dec  2 23:20:18 1990  David J. MacKenzie  (djm at albert.ai.mit.edu)

	* Configure: When checking for C preprocessor, look for 'abc.*xyz'
	instead of 'abc.xyz', so ANSI C preprocessors work.

	* Apply fix for -D from ksb@mentor.cc.purdue.edu (Kevin Braunsdorf).

1990-05-01  Wayne Davison  <davison@dri.com>
	* patch.c, pch.c: unidiff support added

Wed Mar  7 23:47:25 1990  Jim Kingdon  (kingdon at pogo.ai.mit.edu)

	* pch.c: Call malformed instead of goto malformed
	(just allows easier debugging).

Tue Jan 23 21:27:00 1990  Jim Kingdon  (kingdon at pogo.ai.mit.edu)

	* common.h (TMP*NAME): Make these char *, not char [].
	patch.c (main): Use TMPDIR (if present) to set TMP*NAME.
	common.h: Declare getenv.

Sun Dec 17 17:29:48 1989  Jim Kingdon  (kingdon at hobbes.ai.mit.edu)

	* patch.c (reverse_flag_specified): New variable.
	(get_some_switches, reinitialize_almost_everything): Use it.

1988-06-22  Larry Wall  <sdcrdcf!lwall>
	patch12:
	* common.h: sprintf was declared wrong
	* patch.c: rindex() wasn't declared
	* patch.man: now avoids Bell System Logo

1988-06-03  Larry Wall  <sdcrdcf!lwall>
	patch10:
	* common.h: support for shorter extensions.
	* inp.c: made a little smarter about sccs files
	* patch.c: exit code improved.
	better support for non-flexfilenames.
	* patch.man: -B switch was contributed.
	* pch.c: Can now find patches in shar scripts.
	Hunks that swapped and then swapped back could core dump.

1987-06-04  Larry Wall  <sdcrdcf!lwall>
	* pch.c: pch_swap didn't swap p_bfake and p_efake.

1987-02-16  Larry Wall  <sdcrdcf!lwall>
	* patch.c: Short replacement caused spurious "Out of sync" message.

1987-01-30  Larry Wall  <sdcrdcf!lwall>
	* patch.c: Improved diagnostic on sync error.
	Moved do_ed_script() to pch.c.
	* pch.c: Improved responses to mangled patches.
	* pch.h: Added do_ed_script().

1987-01-05  Larry Wall  <sdcrdcf!lwall>
	* pch.c: New-style context diffs caused double call to free().

1986-11-21  Larry Wall  <sdcrdcf!lwall>
	* patch.c: Fuzz factor caused offset of installed lines.

1986-11-14  Larry Wall  <sdcrdcf!lwall>
	* pch.c: Fixed problem where a long pattern wouldn't grow the hunk.
	Also restored p_input_line when backtracking so error messages are
	right.

1986-11-03  Larry Wall  <sdcrdcf!lwall>
	* pch.c: New-style delete triggers spurious assertion error.

1986-10-29  Larry Wall  <sdcrdcf!lwall>
	* patch.c: Backwards search could terminate prematurely.
	* pch.c: Could falsely report new-style context diff.

1986-09-17  Larry Wall  <sdcrdcf!lwall>
	* common.h, inp.c, inp.h, patch.c, patch.man, pch.c, pch.h,
	util.h, version.c, version.h:  Baseline for netwide release.

1986-08-01  Larry Wall  <sdcrdcf!lwall>
	* patch.c: Fixes for machines that can't vararg.
	Added fuzz factor.  Generalized -p.  General cleanup.
	Changed some %d's to %ld's.  Linted.
	* patch.man: Documented -v, -p, -F.
	Added notes to patch senders.

1985-08-15  van%ucbmonet@berkeley
	Changes for 4.3bsd diff -c.

1985-03-26  Larry Wall  <sdcrdcf!lwall>
	* patch.c: Frozen.
	* patch.man: Frozen.

1985-03-12  Larry Wall  <sdcrdcf!lwall>
	* patch.c: Now checks for normalness of file to patch.
	Check i_ptr and i_womp to make sure they aren't null before freeing.
	Also allow ed output to be suppressed.
	Changed pfp->_file to fileno(pfp).
	Added -p option from jromine@uci-750a.
	Added -D (#ifdef) option from joe@fluke.
	* patch.man: Documented -p, -D.

1984-12-06  Larry Wall  <sdcrdcf!lwall>
	* patch.c: Made smarter about SCCS subdirectories.

1984-12-05  Larry Wall  <sdcrdcf!lwall>
	* patch.c: Added -l switch to do loose string comparison.
	* patch.man: Added -l switch, and noted bistability bug.

1984-12-04  Larry Wall  <sdcrdcf!lwall>
	Branch for sdcrdcf changes.
	* patch.c: Failed hunk count not reset on multiple patch file.
	* patch.man: Baseline version.

1984-11-29  Larry Wall  <sdcrdcf!lwall>
	* patch.c: Linted.  Identifiers uniquified.  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.

1984-11-09  Larry Wall  <sdcrdcf!lwall>
	* patch.c: Initial revision

Local Variables:
mode: indented-text
left-margin: 8
version-control: never
end: