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-rw-r--r--diffcore-rename.c60
1 files changed, 27 insertions, 33 deletions
diff --git a/diffcore-rename.c b/diffcore-rename.c
index 58ac0a531b..daddd9b28a 100644
--- a/diffcore-rename.c
+++ b/diffcore-rename.c
@@ -4,6 +4,7 @@
#include "cache.h"
#include "diff.h"
#include "diffcore.h"
+#include "object-store.h"
#include "hashmap.h"
#include "progress.h"
@@ -57,10 +58,10 @@ static int add_rename_dst(struct diff_filespec *two)
ALLOC_GROW(rename_dst, rename_dst_nr + 1, rename_dst_alloc);
rename_dst_nr++;
if (first < rename_dst_nr)
- memmove(rename_dst + first + 1, rename_dst + first,
- (rename_dst_nr - first - 1) * sizeof(*rename_dst));
+ MOVE_ARRAY(rename_dst + first + 1, rename_dst + first,
+ rename_dst_nr - first - 1);
rename_dst[first].two = alloc_filespec(two->path);
- fill_filespec(rename_dst[first].two, two->oid.hash, two->oid_valid,
+ fill_filespec(rename_dst[first].two, &two->oid, two->oid_valid,
two->mode);
rename_dst[first].pair = NULL;
return 0;
@@ -98,8 +99,8 @@ static struct diff_rename_src *register_rename_src(struct diff_filepair *p)
ALLOC_GROW(rename_src, rename_src_nr + 1, rename_src_alloc);
rename_src_nr++;
if (first < rename_src_nr)
- memmove(rename_src + first + 1, rename_src + first,
- (rename_src_nr - first - 1) * sizeof(*rename_src));
+ MOVE_ARRAY(rename_src + first + 1, rename_src + first,
+ rename_src_nr - first - 1);
rename_src[first].p = p;
rename_src[first].score = score;
return &(rename_src[first]);
@@ -145,7 +146,6 @@ static int estimate_similarity(struct diff_filespec *src,
* call into this function in that case.
*/
unsigned long max_size, delta_size, base_size, src_copied, literal_added;
- unsigned long delta_limit;
int score;
/* We deal only with regular files. Symlink renames are handled
@@ -191,11 +191,8 @@ static int estimate_similarity(struct diff_filespec *src,
if (!dst->cnt_data && diff_populate_filespec(dst, 0))
return 0;
- delta_limit = (unsigned long)
- (base_size * (MAX_SCORE-minimum_score) / MAX_SCORE);
if (diffcore_count_changes(src, dst,
&src->cnt_data, &dst->cnt_data,
- delta_limit,
&src_copied, &literal_added))
return 0;
@@ -264,8 +261,8 @@ static unsigned int hash_filespec(struct diff_filespec *filespec)
if (!filespec->oid_valid) {
if (diff_populate_filespec(filespec, 0))
return 0;
- hash_sha1_file(filespec->data, filespec->size, "blob",
- filespec->oid.hash);
+ hash_object_file(filespec->data, filespec->size, "blob",
+ &filespec->oid);
}
return sha1hash(filespec->oid.hash);
}
@@ -289,7 +286,7 @@ static int find_identical_files(struct hashmap *srcs,
struct diff_filespec *source = p->filespec;
/* False hash collision? */
- if (oidcmp(&source->oid, &target->oid))
+ if (!oideq(&source->oid, &target->oid))
continue;
/* Non-regular files? If so, the modes must match! */
if (!S_ISREG(source->mode) || !S_ISREG(target->mode)) {
@@ -345,7 +342,7 @@ static int find_exact_renames(struct diff_options *options)
/* Add all sources to the hash table in reverse order, because
* later on they will be retrieved in LIFO order.
*/
- hashmap_init(&file_table, NULL, rename_src_nr);
+ hashmap_init(&file_table, NULL, NULL, rename_src_nr);
for (i = rename_src_nr-1; i >= 0; i--)
insert_file_table(&file_table, i, rename_src[i].p->one);
@@ -395,21 +392,19 @@ static int too_many_rename_candidates(int num_create,
* growing larger than a "rename_limit" square matrix, ie:
*
* num_create * num_src > rename_limit * rename_limit
- *
- * but handles the potential overflow case specially (and we
- * assume at least 32-bit integers)
*/
- if (rename_limit <= 0 || rename_limit > 32767)
+ if (rename_limit <= 0)
rename_limit = 32767;
if ((num_create <= rename_limit || num_src <= rename_limit) &&
- (num_create * num_src <= rename_limit * rename_limit))
+ ((uint64_t)num_create * (uint64_t)num_src
+ <= (uint64_t)rename_limit * (uint64_t)rename_limit))
return 0;
options->needed_rename_limit =
num_src > num_create ? num_src : num_create;
/* Are we running under -C -C? */
- if (!DIFF_OPT_TST(options, FIND_COPIES_HARDER))
+ if (!options->flags.find_copies_harder)
return 1;
/* Would we bust the limit if we were running under -C? */
@@ -419,7 +414,8 @@ static int too_many_rename_candidates(int num_create,
num_src++;
}
if ((num_create <= rename_limit || num_src <= rename_limit) &&
- (num_create * num_src <= rename_limit * rename_limit))
+ ((uint64_t)num_create * (uint64_t)num_src
+ <= (uint64_t)rename_limit * (uint64_t)rename_limit))
return 2;
return 1;
}
@@ -467,8 +463,8 @@ void diffcore_rename(struct diff_options *options)
else if (options->single_follow &&
strcmp(options->single_follow, p->two->path))
continue; /* not interested */
- else if (!DIFF_OPT_TST(options, RENAME_EMPTY) &&
- is_empty_blob_sha1(p->two->oid.hash))
+ else if (!options->flags.rename_empty &&
+ is_empty_blob_oid(&p->two->oid))
continue;
else if (add_rename_dst(p->two) < 0) {
warning("skipping rename detection, detected"
@@ -477,8 +473,8 @@ void diffcore_rename(struct diff_options *options)
goto cleanup;
}
}
- else if (!DIFF_OPT_TST(options, RENAME_EMPTY) &&
- is_empty_blob_sha1(p->one->oid.hash))
+ else if (!options->flags.rename_empty &&
+ is_empty_blob_oid(&p->one->oid))
continue;
else if (!DIFF_PAIR_UNMERGED(p) && !DIFF_FILE_VALID(p->two)) {
/*
@@ -536,12 +532,12 @@ void diffcore_rename(struct diff_options *options)
}
if (options->show_rename_progress) {
- progress = start_progress_delay(
+ progress = start_delayed_progress(
_("Performing inexact rename detection"),
- rename_dst_nr * rename_src_nr, 50, 1);
+ (uint64_t)rename_dst_nr * (uint64_t)rename_src_nr);
}
- mx = xcalloc(st_mult(num_create, NUM_CANDIDATE_PER_DST), sizeof(*mx));
+ mx = xcalloc(st_mult(NUM_CANDIDATE_PER_DST, num_create), sizeof(*mx));
for (dst_cnt = i = 0; i < rename_dst_nr; i++) {
struct diff_filespec *two = rename_dst[i].two;
struct diff_score *m;
@@ -575,12 +571,12 @@ void diffcore_rename(struct diff_options *options)
diff_free_filespec_blob(two);
}
dst_cnt++;
- display_progress(progress, (i+1)*rename_src_nr);
+ display_progress(progress, (uint64_t)(i+1)*(uint64_t)rename_src_nr);
}
stop_progress(&progress);
/* cost matrix sorted by most to least similar pair */
- qsort(mx, dst_cnt * NUM_CANDIDATE_PER_DST, sizeof(*mx), score_compare);
+ QSORT(mx, dst_cnt * NUM_CANDIDATE_PER_DST, score_compare);
rename_count += find_renames(mx, dst_cnt, minimum_score, 0);
if (detect_rename == DIFF_DETECT_COPY)
@@ -671,11 +667,9 @@ void diffcore_rename(struct diff_options *options)
for (i = 0; i < rename_dst_nr; i++)
free_filespec(rename_dst[i].two);
- free(rename_dst);
- rename_dst = NULL;
+ FREE_AND_NULL(rename_dst);
rename_dst_nr = rename_dst_alloc = 0;
- free(rename_src);
- rename_src = NULL;
+ FREE_AND_NULL(rename_src);
rename_src_nr = rename_src_alloc = 0;
return;
}