53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
#include "blob.h"
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#include "cache.h"
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#include <stdlib.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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struct blob *ret = xmalloc(sizeof(struct blob));
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memset(ret, 0, sizeof(struct blob));
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created_object(sha1, &ret->object);
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ret->object.type = blob_type;
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return ret;
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}
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if (!obj->type)
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obj->type = blob_type;
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if (obj->type != blob_type) {
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error("Object %s is a %s, not a blob",
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sha1_to_hex(sha1), 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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char type[20];
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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 (strcmp(type, blob_type))
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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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