sha1_object_type_literally takes a sha value and
gives the type of the given loose object, used by
git cat-file -t --literally.
Signed-off-by: Karthik Nayak <karthik....@gmail.com>
---
cache.h | 1 +
sha1_file.c | 27 +++++++++++++++++++++++++++
2 files changed, 28 insertions(+)
diff --git a/cache.h b/cache.h
index 4d02efc..48086b9 100644
--- a/cache.h
+++ b/cache.h
@@ -872,6 +872,7 @@ extern int git_open_noatime(const char *name);
extern void *map_sha1_file(const unsigned char *sha1, unsigned long *size);
extern int unpack_sha1_header(git_zstream *stream, unsigned char *map,
unsigned long mapsize, void *buffer, unsigned long bufsiz);
extern int parse_sha1_header(const char *hdr, unsigned long *sizep);
+extern int sha1_object_type_literally(const unsigned char *sha1, char *type);
/* global flag to enable extra checks when accessing packed objects */
extern int do_check_packed_object_crc;
diff --git a/sha1_file.c b/sha1_file.c
index 69a60ec..34b4810 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -2635,6 +2635,33 @@ int sha1_object_info(const unsigned char *sha1, unsigned
long *sizep)
return type;
}
+int sha1_object_type_literally(const unsigned char *sha1, char *type)
+{
+ int status = 0;
+ unsigned long mapsize;
+ void *map;
+ git_zstream stream;
+ char hdr[32];
+ int i;
+
+ map = map_sha1_file(sha1, &mapsize);
+ if (!map)
+ return -1;
+ if (unpack_sha1_header(&stream, map, mapsize, hdr, sizeof(hdr)) < 0)
+ status = error("unable to unpack %s header",
+ sha1_to_hex(sha1));
+
+ for (i = 0; i < 32; i++) {
+ if (hdr[i] == ' ') {
+ type[i] = '\0';
+ break;
+ }
+ type[i] = hdr[i];
+ }
+
+ return status;
+}
+
static void *read_packed_sha1(const unsigned char *sha1,
enum object_type *type, unsigned long *size)
{
--
2.3.1.129.g11acff1.dirty
--
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