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51 lines
1.2 KiB
51 lines
1.2 KiB
#include "cache.h" |
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#include "blob.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 = xcalloc(1, sizeof(struct blob)); |
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created_object(sha1, &ret->object); |
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ret->object.type = TYPE_BLOB; |
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return ret; |
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} |
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if (!obj->type) |
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obj->type = TYPE_BLOB; |
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if (obj->type != TYPE_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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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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