diff options
Diffstat (limited to 'diffcore-delta.c')
| -rw-r--r-- | diffcore-delta.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/diffcore-delta.c b/diffcore-delta.c index 7116df0b8..a038b166c 100644 --- a/diffcore-delta.c +++ b/diffcore-delta.c @@ -122,11 +122,14 @@ static struct spanhash_top *add_spanhash(struct spanhash_top *top, } } -static struct spanhash_top *hash_chars(unsigned char *buf, unsigned int sz) +static struct spanhash_top *hash_chars(struct diff_filespec *one) { int i, n; unsigned int accum1, accum2, hashval; struct spanhash_top *hash; + unsigned char *buf = one->data; + unsigned int sz = one->size; + int is_text = !one->is_binary; i = INITIAL_HASH_SIZE; hash = xmalloc(sizeof(*hash) + sizeof(struct spanhash) * (1<<i)); @@ -140,6 +143,11 @@ static struct spanhash_top *hash_chars(unsigned char *buf, unsigned int sz) unsigned int c = *buf++; unsigned int old_1 = accum1; sz--; + + /* Ignore CR in CRLF sequence if text */ + if (is_text && c == '\r' && sz && *buf == '\n') + continue; + accum1 = (accum1 << 7) ^ (accum2 >> 25); accum2 = (accum2 << 7) ^ (old_1 >> 25); accum1 += c; @@ -169,14 +177,14 @@ int diffcore_count_changes(struct diff_filespec *src, if (src_count_p) src_count = *src_count_p; if (!src_count) { - src_count = hash_chars(src->data, src->size); + src_count = hash_chars(src); if (src_count_p) *src_count_p = src_count; } if (dst_count_p) dst_count = *dst_count_p; if (!dst_count) { - dst_count = hash_chars(dst->data, dst->size); + dst_count = hash_chars(dst); if (dst_count_p) *dst_count_p = dst_count; } |