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