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Author	SHA1	Message	Date
Michael Haggerty	d4e85a1afe	get_sha1_hex(): do not read past a NUL character Previously, get_sha1_hex() would read one character past the end of a null-terminated string whose strlen was an even number less than 40. Although the function correctly returned -1 in these cases, the extra memory access might have been to uninitialized (or even, conceivably, unallocated) memory. Add a check to avoid reading past the end of a string. This problem was discovered by Thomas Rast <trast@student.ethz.ch> using valgrind. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>	14 years ago
Linus Torvalds	a5031214c4	slim down "git show-index" As the documentation says, this is primarily for debugging, and in the longer term we should rename it to test-show-index or something. In the meantime, just avoid xmalloc (which slurps in the rest of git), and separating out the trivial hex functions into "hex.o". This results in [torvalds@nehalem git]$ size git-show-index text data bss dec hex filename 222818 2276 112688 337782 52776 git-show-index (before) 5696 624 1264 7584 1da0 git-show-index (after) which is a whole lot better. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>	15 years ago

Author

SHA1

Message

Date

Michael Haggerty

d4e85a1afe

get_sha1_hex(): do not read past a NUL character

Previously, get_sha1_hex() would read one character past the end of a
null-terminated string whose strlen was an even number less than 40.
Although the function correctly returned -1 in these cases, the extra
memory access might have been to uninitialized (or even, conceivably,
unallocated) memory.

Add a check to avoid reading past the end of a string.

This problem was discovered by Thomas Rast <trast@student.ethz.ch>
using valgrind.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

14 years ago

Linus Torvalds

a5031214c4

slim down "git show-index"

As the documentation says, this is primarily for debugging, and
in the longer term we should rename it to test-show-index or something.

In the meantime, just avoid xmalloc (which slurps in the rest of git), and
separating out the trivial hex functions into "hex.o".

This results in

  [torvalds@nehalem git]$ size git-show-index
       text    data     bss     dec     hex filename
     222818    2276  112688  337782   52776 git-show-index (before)
       5696     624    1264    7584    1da0 git-show-index (after)

which is a whole lot better.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

15 years ago

2 Commits (6634f05454662b62e1f34766d3684b99fb53ad66)