git/blob.c
Linus Torvalds 100c5f3b0b Clean up object creation to use more common code
This replaces the fairly odd "created_object()" function that did _most_
of the object setup with a more complete "create_object()" function that
also has a more natural calling convention.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-04-16 23:36:16 -07:00

47 lines
1.1 KiB
C

#include "cache.h"
#include "blob.h"
const char *blob_type = "blob";
struct blob *lookup_blob(const unsigned char *sha1)
{
struct object *obj = lookup_object(sha1);
if (!obj)
return create_object(sha1, OBJ_BLOB, alloc_blob_node());
if (!obj->type)
obj->type = OBJ_BLOB;
if (obj->type != OBJ_BLOB) {
error("Object %s is a %s, not a blob",
sha1_to_hex(sha1), typename(obj->type));
return NULL;
}
return (struct blob *) obj;
}
int parse_blob_buffer(struct blob *item, void *buffer, unsigned long size)
{
item->object.parsed = 1;
return 0;
}
int parse_blob(struct blob *item)
{
enum object_type type;
void *buffer;
unsigned long size;
int ret;
if (item->object.parsed)
return 0;
buffer = read_sha1_file(item->object.sha1, &type, &size);
if (!buffer)
return error("Could not read %s",
sha1_to_hex(item->object.sha1));
if (type != OBJ_BLOB)
return error("Object %s not a blob",
sha1_to_hex(item->object.sha1));
ret = parse_blob_buffer(item, buffer, size);
free(buffer);
return ret;
}