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| author |  Junio C Hamano <junkio@cox.net> | 2006-04-04 14:43:57 -0700 |
|---|---|---|
| committer | Junio C Hamano <junkio@cox.net> | 2006-04-04 14:43:57 -0700 |
| commit | 3d9c54d7b39faab35f0b30459fe4e2c7f32124b8 (patch) | |
| tree | ec0cbd5f1ad1bbd2eb4d5c8367d1b38e775d7480 /xdiff/xutils.c | |
| parent | Set HTTP user agent to git/GIT_VERSION (diff) | |
| parent | Clean-up trivially redundant diff. (diff) | |
| download | tgif-3d9c54d7b39faab35f0b30459fe4e2c7f32124b8.tar.xz | |
Merge in xdiff cleanup pieces
Diffstat (limited to 'xdiff/xutils.c')
| -rw-r--r-- | xdiff/xutils.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/xdiff/xutils.c b/xdiff/xutils.c index afaada1edf..21ab8e7e26 100644 --- a/xdiff/xutils.c +++ b/xdiff/xutils.c @@ -29,6 +29,19 @@ +long xdl_bogosqrt(long n) { + long i; + + /* + * Classical integer square root approximation using shifts. + */ + for (i = 1; n > 0; n >>= 2) + i <<= 1; + + return i; +} + + int xdl_emit_diffrec(char const *rec, long size, char const *pre, long psize, xdemitcb_t *ecb) { mmbuffer_t mb[3]; @@ -244,7 +257,7 @@ int xdl_emit_hunk_hdr(long s1, long c1, long s2, long c2, memcpy(buf, "@@ -", 4); nb += 4; - nb += xdl_num_out(buf + nb, c1 ? s1: 0); + nb += xdl_num_out(buf + nb, c1 ? s1: s1 - 1); if (c1 != 1) { memcpy(buf + nb, ",", 1); @@ -256,7 +269,7 @@ int xdl_emit_hunk_hdr(long s1, long c1, long s2, long c2, memcpy(buf + nb, " +", 2); nb += 2; - nb += xdl_num_out(buf + nb, c2 ? s2: 0); + nb += xdl_num_out(buf + nb, c2 ? s2: s2 - 1); if (c2 != 1) { memcpy(buf + nb, ",", 1); |