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hex.c: reduce memory footprint of sha1_to_hex static buffers 

41 bytes is the exact number of bytes needed for having the returned
hex string represented. 50 seems to be an arbitrary number, such
that there are no benefits from alignment to certain address boundaries.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Stefan Beller 2015-02-13 13:18:49 -08:00 committed by Junio C Hamano
parent a5031214c4
commit 0b868f0eec
1 changed files with 1 additions and 1 deletions
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hex.c
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@ -51,7 +51,7 @@ int get_sha1_hex(const char *hex, unsigned char *sha1)
char *sha1_to_hex(const unsigned char *sha1)
{
static int bufno;
static char hexbuffer[4][50];
static char hexbuffer[4][41];
static const char hex[] = "0123456789abcdef";
char *buffer = hexbuffer[3 & ++bufno], *buf = buffer;
int i;