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diff --stat: mark any file larger than core.bigfilethreshold binary

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Too large files may lead to failure to allocate memory. If it happens
here, it could impact quite a few commands that involve
diff. Moreover, too large files are inefficient to compare anyway (and
most likely non-text), so mark them binary and skip looking at their
content.

Noticed-by: Dale R. Worley <worley@alum.mit.edu>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy
2014-08-16 10:08:05 +07:00
committed by Junio C Hamano
parent 8e5dd3d654
commit 6bf3b81348
5 changed files with 27 additions and 11 deletions
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diffcore.h
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@ -56,6 +56,7 @@ extern void fill_filespec(struct diff_filespec *, const unsigned char *,
int, unsigned short);
#define CHECK_SIZE_ONLY 1
#define CHECK_BINARY 2
extern int diff_populate_filespec(struct diff_filespec *, unsigned int);
extern void diff_free_filespec_data(struct diff_filespec *);
extern void diff_free_filespec_blob(struct diff_filespec *);