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slim down "git show-index"

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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>
This commit is contained in:
Linus Torvalds
2010-01-21 15:25:19 -08:00
committed by Junio C Hamano
parent fb7d3f32b2
commit a5031214c4
4 changed files with 69 additions and 67 deletions
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show-index.c
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@ -48,7 +48,7 @@ int main(int argc, char **argv)
unsigned char sha1[20];
uint32_t crc;
uint32_t off;
} *entries = xmalloc(nr * sizeof(entries[0]));
} *entries = malloc(nr * sizeof(entries[0]));
for (i = 0; i < nr; i++)
if (fread(entries[i].sha1, 20, 1, stdin) != 1)
die("unable to read sha1 %u/%u", i, nr);