diff --git a/pack-write.c b/pack-write.c
index 16529c39a9fc7a3245c6bca8f1df5f8920c31201..9cd3bfbb4b3859cbbdc1b9375ea95f511fffc94e 100644 (file)
--- a/pack-write.c
+++ b/pack-write.c
return hashcmp(a->sha1, b->sha1);
}
+static int cmp_uint32(const void *a_, const void *b_)
+{
+ uint32_t a = *((uint32_t *)a_);
+ uint32_t b = *((uint32_t *)b_);
+
+ return (a < b) ? -1 : (a != b);
+}
+
+static int need_large_offset(off_t offset, const struct pack_idx_option *opts)
+{
+ uint32_t ofsval;
+
+ if ((offset >> 31) || (opts->off32_limit < offset))
+ return 1;
+ if (!opts->anomaly_nr)
+ return 0;
+ ofsval = offset;
+ return !!bsearch(&ofsval, opts->anomaly, opts->anomaly_nr,
+ sizeof(ofsval), cmp_uint32);
+}
+
/*
* On entry *sha1 contains the pack content SHA1 hash, on exit it is
* the SHA1 hash of sorted object names. The objects array passed in
}
/* if last object's offset is >= 2^31 we should use index V2 */
- index_version = (last_obj_offset >> 31) ? 2 : opts->version;
+ index_version = need_large_offset(last_obj_offset, opts) ? 2 : opts->version;
/* index versions 2 and above need a header */
if (index_version >= 2) {
@@ -125,8 +146,11 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
list = sorted_by_sha;
for (i = 0; i < nr_objects; i++) {
struct pack_idx_entry *obj = *list++;
- uint32_t offset = (obj->offset <= opts->off32_limit) ?
- obj->offset : (0x80000000 | nr_large_offset++);
+ uint32_t offset;
+
+ offset = (need_large_offset(obj->offset, opts)
+ ? (0x80000000 | nr_large_offset++)
+ : obj->offset);
offset = htonl(offset);
sha1write(f, &offset, 4);
}
@@ -136,13 +160,14 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
while (nr_large_offset) {
struct pack_idx_entry *obj = *list++;
uint64_t offset = obj->offset;
- if (offset > opts->off32_limit) {
- uint32_t split[2];
- split[0] = htonl(offset >> 32);
- split[1] = htonl(offset & 0xffffffff);
- sha1write(f, split, 8);
- nr_large_offset--;
- }
+ uint32_t split[2];
+
+ if (!need_large_offset(offset, opts))
+ continue;
+ split[0] = htonl(offset >> 32);
+ split[1] = htonl(offset & 0xffffffff);
+ sha1write(f, split, 8);
+ nr_large_offset--;
}
}