summaryrefslogtreecommitdiff
path: root/diffcore-delta.c
diff options
context:
space:
mode:
Diffstat (limited to 'diffcore-delta.c')
-rw-r--r--diffcore-delta.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/diffcore-delta.c b/diffcore-delta.c
index 7116df0b83..a038b166c5 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;
}