+/**
+ * @brief Context for the keyserver dumping function
+ */
+struct dump_ctx {
+ /** Keys we've dumped so far to this file */
+ int count;
+ /** Maximum keys to dump per file */
+ int maxcount;
+ /** File descriptor for the current dump file */
+ int fd;
+ /** Number of the current dump file */
+ int filenum;
+ /** Base filename to use for dump files */
+ char *filebase;
+};
+
+void dump_func(void *ctx, struct openpgp_publickey *key)
+{
+ struct openpgp_packet_list *packets = NULL;
+ struct openpgp_packet_list *list_end = NULL;
+ struct dump_ctx *state;
+ char filename[1024];
+
+ state = (struct dump_ctx *) ctx;
+
+ if (state->fd == -1 || state->count++ > state->maxcount) {
+ if (state->fd != -1) {
+ close(state->fd);
+ state->fd = -1;
+ }
+ snprintf(filename, 1023, state->filebase, state->filenum);
+ state->fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0640);
+ state->filenum++;
+ state->count = 0;
+ }
+ flatten_publickey(key, &packets, &list_end);
+ write_openpgp_stream(file_putchar, &state->fd, packets);
+ free_packet_list(packets);
+ packets = list_end = NULL;
+
+ return;
+}
+