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find_unique_abbrev() with len=0 should not abbreviate

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Signed-off-by: Junio C Hamano <junkio@cox.net>
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Junio C Hamano
2006-08-09 13:17:04 -07:00
parent 72ee96c0f1
commit 02c5cba200
1 changed files with 1 additions and 1 deletions
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2
sha1_name.c
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@ -193,7 +193,7 @@ const char *find_unique_abbrev(const unsigned char *sha1, int len)
is_null = !memcmp(sha1, null_sha1, 20); is_null = !memcmp(sha1, null_sha1, 20);
memcpy(hex, sha1_to_hex(sha1), 40); memcpy(hex, sha1_to_hex(sha1), 40);
if (len == 40) if (len == 40 || !len)
return hex; return hex;
while (len < 40) { while (len < 40) {
unsigned char sha1_ret[20]; unsigned char sha1_ret[20];