[RFC PATCH 4/6] hex: label usages of hex parsing for object IDs

["brian m. carlson" <sandals@crustytoothpaste.net>]

In preparation for a future change, label the hex parsing we're doing
for object IDs by defining a constant called HEX_KIND_OID.  This is
currently the same as HEX_KIND_MIXED, so there is no functional change
here.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
---
 diagnose.c    | 2 +-
 hex-ll.h      | 2 ++
 hex.c         | 2 +-
 http-push.c   | 4 ++--
 notes.c       | 2 +-
 object-file.c | 2 +-
 6 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/diagnose.c b/diagnose.c
index fc11cea229..9c652d36a6 100644
--- a/diagnose.c
+++ b/diagnose.c
@@ -112,7 +112,7 @@ static void loose_objs_stats(struct strbuf *buf, const char *path)
 	while ((e = readdir_skip_dot_and_dotdot(dir)) != NULL)
 		if (get_dtype(e, &count_path, 0) == DT_DIR &&
 		    strlen(e->d_name) == 2 &&
-		    !hex_to_bytes(&c, e->d_name, 1, HEX_KIND_MIXED)) {
+		    !hex_to_bytes(&c, e->d_name, 1, HEX_KIND_OID)) {
 			strbuf_setlen(&count_path, base_path_len);
 			strbuf_addf(&count_path, "%s/", e->d_name);
 			total += (count = count_files(&count_path));
diff --git a/hex-ll.h b/hex-ll.h
index fe698f0c76..9da76f17e8 100644
--- a/hex-ll.h
+++ b/hex-ll.h
@@ -6,6 +6,8 @@ enum hexkind {
 	HEX_KIND_LOWER = 1,
 };
 
+#define HEX_KIND_OID HEX_KIND_MIXED
+
 extern const signed char hexval_table[256];
 extern const signed char hexval_lc_table[256];
 static inline unsigned int hexval(unsigned char c, enum hexkind kind)
diff --git a/hex.c b/hex.c
index 6150bdcbf8..4e1e81af3f 100644
--- a/hex.c
+++ b/hex.c
@@ -9,7 +9,7 @@ static int get_hash_hex_algop(const char *hex, unsigned char *hash,
 			      const struct git_hash_algo *algop)
 {
 	for (size_t i = 0; i < algop->rawsz; i++) {
-		int val = hex2chr(hex, HEX_KIND_MIXED);
+		int val = hex2chr(hex, HEX_KIND_OID);
 		if (val < 0)
 			return -1;
 		*hash++ = val;
diff --git a/http-push.c b/http-push.c
index 0cc990d395..132d26d6a1 100644
--- a/http-push.c
+++ b/http-push.c
@@ -1030,13 +1030,13 @@ static int get_oid_hex_from_objpath(const char *path, struct object_id *oid)
 	if (strlen(path) != the_hash_algo->hexsz + 1)
 		return -1;
 
-	if (hex_to_bytes(oid->hash, path, 1, HEX_KIND_MIXED))
+	if (hex_to_bytes(oid->hash, path, 1, HEX_KIND_OID))
 		return -1;
 	path += 2;
 	path++; /* skip '/' */
 
 	return hex_to_bytes(oid->hash + 1, path, the_hash_algo->rawsz - 1,
-			    HEX_KIND_MIXED);
+			    HEX_KIND_OID);
 }
 
 static void process_ls_object(struct remote_ls_ctx *ls)
diff --git a/notes.c b/notes.c
index 99b8b15d81..7e9e3eb2d2 100644
--- a/notes.c
+++ b/notes.c
@@ -443,7 +443,7 @@ static void load_subtree(struct notes_tree *t, struct leaf_node *subtree,
 				goto handle_non_note;
 
 			if (hex_to_bytes(object_oid.hash + len++, entry.path, 1,
-					 HEX_KIND_MIXED))
+					 HEX_KIND_OID))
 				goto handle_non_note; /* entry.path is not a SHA1 */
 
 			/*
diff --git a/object-file.c b/object-file.c
index 8427b2802a..4bcff66442 100644
--- a/object-file.c
+++ b/object-file.c
@@ -1473,7 +1473,7 @@ int for_each_file_in_obj_subdir(unsigned int subdir_nr,
 		strbuf_add(path, de->d_name, namelen);
 		if (namelen == algop->hexsz - 2 &&
 		    !hex_to_bytes(oid.hash + 1, de->d_name,
-				  algop->rawsz - 1, HEX_KIND_MIXED)) {
+				  algop->rawsz - 1, HEX_KIND_OID)) {
 			oid_set_algo(&oid, algop);
 			memset(oid.hash + algop->rawsz, 0,
 			       GIT_MAX_RAWSZ - algop->rawsz);