src/cache.c [3271:3286]:
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    delete_cache_file(dir);
    if (dir->etag) {
        free(dir->etag);
        dir->etag = NULL;
    }
    dir->size = 0;
    dir->smtime = 0;

    return 0;
}


/* xml_data must be a string representation of an octal number. Its value is
   assigned to member mode of node userdata.
   return value : 0 on success, -1 if an error occurs. */
static int
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src/cache.c [3370:3385]:
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    delete_cache_file(dir);
    if (dir->etag) {
        free(dir->etag);
        dir->etag = NULL;
    }
    dir->size = 0;
    dir->smtime = 0;

    return 0;
}


/* xml_data must be a string representation of a decimal number representing
   a file size. Its value is assigned to member size of the node.
   return value : 0 on success, -1 if an error occurs. */
static int
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