patch: add --backup-if-mismatch and --no-backup-if-mismatch for GNU patch compatibility

These options only make sense in POSIX mode, since NetBSD's patch
has --backup enabled by default and GNU patc

patch: add --backup-if-mismatch and --no-backup-if-mismatch for GNU patch compatibility

These options only make sense in POSIX mode, since NetBSD's patch
has --backup enabled by default and GNU patch doesn't.

In POSIX mode, GNU patch and NetBSD patch now behave the same for these
two options.

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Fix the message that appears if you patch -R an unapplied patch.

As per OpenBSD, use malloc for the line buffer. Fixes the known issue
with long lines and makes our ATF test suite pass fully.
Closes PR bin/54620 from coypu who suggested the approach.
Reviewed by c

As per OpenBSD, use malloc for the line buffer. Fixes the known issue
with long lines and makes our ATF test suite pass fully.
Closes PR bin/54620 from coypu who suggested the approach.
Reviewed by christos.

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patch(1): use PATH_MAX for the size of rejname

via freebsd, openbsd

patch: make '-V none' work in the expected way

Internally the code confuses the concept of "the user doesn't want
a backup file" and "the user hasn't defined a type of backup file".

Introduce a new

patch: make '-V none' work in the expected way

Internally the code confuses the concept of "the user doesn't want
a backup file" and "the user hasn't defined a type of backup file".

Introduce a new "undefined" backup type to serve the purpose "none"
previously did, and make "none" not generate backup files, as expected.

http://mail-index.netbsd.org/tech-userlevel/2021/02/19/msg012901.html

XXX pullup?

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Consistently use __dead and __printflike.

Exit with EXIT_FAILURE for invalid arguments. PR 43517.

Update patch to the version used by DragonFly and derived from OpenBSD.
Major changes are:
- better detection of double applied patches
- rejects remain unified diffs for unified patches
- far less l

Update patch to the version used by DragonFly and derived from OpenBSD.
Major changes are:
- better detection of double applied patches
- rejects remain unified diffs for unified patches
- far less limitations, e.g. patch lines may be arbitrary long

This addresses PR standards/11220 by changing patch -b behavior to be
POSIX compliant. Old behavior can be obtained using --suffix, which
works since NetBSD 1.4. pkgsrc has been adjusted accordingly.

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Add error checking to use of fputs in creating output file in
temprorary directory. Previously, fputs was used without checking the
return value, leading to silent truncation when the temporary
file

Add error checking to use of fputs in creating output file in
temprorary directory. Previously, fputs was used without checking the
return value, leading to silent truncation when the temporary
filesystem was full (such as can easily happen when migrating to
tmpfs).

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Convert to using raise_default_signal(3).

Sort options. Add -C to usage.

add --dry-run like gnu patch.

Fix an array overrun in option parsing.
Fixes PR 26732, PR 26775, PR 28416 and PR 28589.

Remove debug printf (hi mycroft!).

Parse multiple options that are specified together; e.g. "-fs".
XXX It is not clear to me why patch(1) doesn't get getopt_long(3).

use bounded string op

Const poisoning.

Fix some lint warnings.

Remove stuff that are not needed any longer.

Simplify handling of memory allocation, and make sure all return values
from malloc etc. are handled.

This removes the old behavior to retry the operation with a less memory-
consuming method in cas

Simplify handling of memory allocation, and make sure all return values
from malloc etc. are handled.

This removes the old behavior to retry the operation with a less memory-
consuming method in case malloc failed (this mechanism has never really
worked, and is hard to test. Besides, it is less useful now than it was
20 years ago when the code was written...)

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Be consistent with use of types (e.g. do not use LINENUM for quantities
that are not line numbers).

Do not try to write a rejects file for those cases where the user has
told us to skip a patch due to missing file to patch.

Solves PR 19827 from Toru TAKAMIZU.

Check result of malloc and strdup
Made some functions static
Removed unneccessary buffer
Increased size of some buffers that could overflow

Ansify
Remove unused defines
Remove #ifndef lint
Remove redundant and incorrect casts.

Ansify
Remove 'register'
Make local functions static.
Remove most '#ifndef lint'