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Author	SHA1	Message	Date
Junio C Hamano	2988289f2c	apply: make update_pre_post_images() sanity check the given postlen "git apply --whitespace=fix" used to be able to assume that fixing errors will always reduce the size by e.g. stripping whitespaces at the end of lines or collapsing runs of spaces into tabs at the beginning of lines. An update to accomodate fixes that lengthens the result by e.g. expanding leading tabs into spaces were made long time ago but the logic miscounted the necessary space after such whitespace fixes, leading to either under-allocation or over-usage of already allocated space. Illustrate this with a runtime sanity-check to protect us from future breakage. The test was stolen from Kyle McKay who helped to identify the problem. Helped-by: "Kyle J. McKay" <mackyle@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	10 years ago

Author

SHA1

Message

Date

Junio C Hamano

2988289f2c

apply: make update_pre_post_images() sanity check the given postlen

"git apply --whitespace=fix" used to be able to assume that fixing
errors will always reduce the size by e.g. stripping whitespaces at
the end of lines or collapsing runs of spaces into tabs at the
beginning of lines.  An update to accomodate fixes that lengthens
the result by e.g. expanding leading tabs into spaces were made long
time ago but the logic miscounted the necessary space after such
whitespace fixes, leading to either under-allocation or over-usage
of already allocated space.

Illustrate this with a runtime sanity-check to protect us from
future breakage.  The test was stolen from Kyle McKay who helped
to identify the problem.

Helped-by: "Kyle J. McKay" <mackyle@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

10 years ago

1 Commits (51b85471af1d2df88749e8a7aa424a879e33a9d7)