git/blob.c

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#include "blob.h"
#include "cache.h"
#include <stdlib.h>
const char *blob_type = "blob";
struct blob *lookup_blob(unsigned char *sha1)
{
struct object *obj = lookup_object(sha1);
if (!obj) {
struct blob *ret = malloc(sizeof(struct blob));
memset(ret, 0, sizeof(struct blob));
created_object(sha1, &ret->object);
ret->object.type = blob_type;
ret->object.parsed = 1;
return ret;
}
if (obj->parsed && obj->type != blob_type) {
error("Object %s is a %s, not a blob",
sha1_to_hex(sha1), obj->type);
return NULL;
}
return (struct blob *) obj;
}