[PATCH] diff-tree -p implies diff-tree -p -r
[git/git.git] / blob.c
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1#include "blob.h"
2#include "cache.h"
3#include <stdlib.h>
4
5const char *blob_type = "blob";
6
7struct blob *lookup_blob(unsigned char *sha1)
8{
9 struct object *obj = lookup_object(sha1);
10 if (!obj) {
812666c8 11 struct blob *ret = xmalloc(sizeof(struct blob));
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12 memset(ret, 0, sizeof(struct blob));
13 created_object(sha1, &ret->object);
14 ret->object.type = blob_type;
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15 return ret;
16 }
17 if (obj->parsed && obj->type != blob_type) {
18 error("Object %s is a %s, not a blob",
19 sha1_to_hex(sha1), obj->type);
20 return NULL;
21 }
22 return (struct blob *) obj;
23}