undef/git-commit-vandalism
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Merge branch 'jk/no-looking-at-dotgit-outside-repo'

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A small code cleanup.

* jk/no-looking-at-dotgit-outside-repo:
  sha1_name: make wraparound of the index into ring-buffer explicit
This commit is contained in:
Junio C Hamano 2016-11-01 12:58:49 -07:00
commit e828d33316
1 changed files with 2 additions and 1 deletions
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3
sha1_name.c
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@ -510,7 +510,8 @@ const char *find_unique_abbrev(const unsigned char *sha1, int len)
{ {
static int bufno; static int bufno;
static char hexbuffer[4][GIT_SHA1_HEXSZ + 1]; static char hexbuffer[4][GIT_SHA1_HEXSZ + 1];
char *hex = hexbuffer[3 & ++bufno]; char *hex = hexbuffer[bufno];
bufno = (bufno + 1) % ARRAY_SIZE(hexbuffer);
find_unique_abbrev_r(hex, sha1, len); find_unique_abbrev_r(hex, sha1, len);
return hex; return hex;
} }