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Revision 8e3f9b17a5186c8122eebf5cefdf6062a21f07d9 authored by Sam Vilain on 26 June 2007, 07:23:59 UTC, committed by Eric Wong on 11 February 2009, 10:00:42 UTC 
git-svn: abstract out a block into new method other_gs()
 
We will be adding a more places that need to find git revisions
corresponding to new parents, so abstract out this section into a new
method.

Signed-off-by: Yuval Kogman <nothingmuch@woobling.org>
Signed-off-by: Sam Vilain <sam@vilain.net>
Acked-by: Eric Wong <normalperson@yhbt.net>

[ew: minor formatting changes]
1 parent 4c58a71
Raw File
blob.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;
}
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