[PATCH v3 4/6] diff.c: allow to pass more flags to diff_populate_filespec

[Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 diff.c            | 13 +++++++------
 diffcore-rename.c |  6 ++++--
 diffcore.h        |  3 ++-
 3 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/diff.c b/diff.c
index 867f034..f4b7421 100644
--- a/diff.c
+++ b/diff.c
@@ -376,7 +376,7 @@ static unsigned long diff_filespec_size(struct diff_filespec *one)
 {
 	if (!DIFF_FILE_VALID(one))
 		return 0;
-	diff_populate_filespec(one, 1);
+	diff_populate_filespec(one, CHECK_SIZE_ONLY);
 	return one->size;
 }
 
@@ -1910,11 +1910,11 @@ static void show_dirstat(struct diff_options *options)
 			diff_free_filespec_data(p->one);
 			diff_free_filespec_data(p->two);
 		} else if (DIFF_FILE_VALID(p->one)) {
-			diff_populate_filespec(p->one, 1);
+			diff_populate_filespec(p->one, CHECK_SIZE_ONLY);
 			copied = added = 0;
 			diff_free_filespec_data(p->one);
 		} else if (DIFF_FILE_VALID(p->two)) {
-			diff_populate_filespec(p->two, 1);
+			diff_populate_filespec(p->two, CHECK_SIZE_ONLY);
 			copied = 0;
 			added = p->two->size;
 			diff_free_filespec_data(p->two);
@@ -2668,8 +2668,9 @@ static int diff_populate_gitlink(struct diff_filespec *s, int size_only)
  * grab the data for the blob (or file) for our own in-core comparison.
  * diff_filespec has data and size fields for this purpose.
  */
-int diff_populate_filespec(struct diff_filespec *s, int size_only)
+int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
 {
+	int size_only = flags & CHECK_SIZE_ONLY;
 	int err = 0;
 	/*
 	 * demote FAIL to WARN to allow inspecting the situation
@@ -4688,8 +4689,8 @@ static int diff_filespec_check_stat_unmatch(struct diff_filepair *p)
 	    !DIFF_FILE_VALID(p->two) ||
 	    (p->one->sha1_valid && p->two->sha1_valid) ||
 	    (p->one->mode != p->two->mode) ||
-	    diff_populate_filespec(p->one, 1) ||
-	    diff_populate_filespec(p->two, 1) ||
+	    diff_populate_filespec(p->one, CHECK_SIZE_ONLY) ||
+	    diff_populate_filespec(p->two, CHECK_SIZE_ONLY) ||
 	    (p->one->size != p->two->size) ||
 	    !diff_filespec_is_identical(p->one, p->two)) /* (2) */
 		p->skip_stat_unmatch_result = 1;
diff --git a/diffcore-rename.c b/diffcore-rename.c
index 2e44a37..4e132f1 100644
--- a/diffcore-rename.c
+++ b/diffcore-rename.c
@@ -147,9 +147,11 @@ static int estimate_similarity(struct diff_filespec *src,
 	 * is a possible size - we really should have a flag to
 	 * say whether the size is valid or not!)
 	 */
-	if (!src->cnt_data && diff_populate_filespec(src, 1))
+	if (!src->cnt_data &&
+	    diff_populate_filespec(src, CHECK_SIZE_ONLY))
 		return 0;
-	if (!dst->cnt_data && diff_populate_filespec(dst, 1))
+	if (!dst->cnt_data &&
+	    diff_populate_filespec(dst, CHECK_SIZE_ONLY))
 		return 0;
 
 	max_size = ((src->size > dst->size) ? src->size : dst->size);
diff --git a/diffcore.h b/diffcore.h
index c876dac..c80df18 100644
--- a/diffcore.h
+++ b/diffcore.h
@@ -55,7 +55,8 @@ extern void free_filespec(struct diff_filespec *);
 extern void fill_filespec(struct diff_filespec *, const unsigned char *,
 			  int, unsigned short);
 
-extern int diff_populate_filespec(struct diff_filespec *, int);
+#define CHECK_SIZE_ONLY 1
+extern int diff_populate_filespec(struct diff_filespec *, unsigned int);
 extern void diff_free_filespec_data(struct diff_filespec *);
 extern void diff_free_filespec_blob(struct diff_filespec *);
 extern int diff_filespec_is_binary(struct diff_filespec *);
-- 
2.1.0.rc0.78.gc0d8480

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