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-rw-r--r--lib/mcs/local/iter.c88
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diff --git a/lib/mcs/local/iter.c b/lib/mcs/local/iter.c
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+/* ****************************************************************************
+ * mcs/local/iter.c -- iterate on heads in a local main memory.
+ * Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
+ *
+ * This file is part of libcasio.
+ * libcasio is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 3.0 of the License,
+ * or (at your option) any later version.
+ *
+ * libcasio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with libcasio; if not, see <http://www.gnu.org/licenses/>.
+ * ************************************************************************* */
+#include "local.h"
+
+typedef struct localmcs_iter_s {
+ localmcs_t *mcs;
+ int id;
+} localmcs_iter_t;
+
+/**
+ * next_mcsfile:
+ * Get the next element.
+ *
+ * @arg cookie the iteration cookie.
+ * @arg nextp the next element to get.
+ * @return the error code (0 if ok).
+ */
+
+CASIO_LOCAL int CASIO_EXPORT next_mcsfile(localmcs_iter_t *cookie,
+ void **nextp)
+{
+ casio_mcsfile_t *file;
+
+ if (cookie->id >= cookie->mcs->localmcs_count)
+ return (casio_error_iter);
+
+ file = cookie->mcs->localmcs_files[cookie->id++];
+ *nextp = &file->casio_mcsfile_head;
+ return (0);
+}
+
+/**
+ * end_iter:
+ * End the iterator.
+ *
+ * @arg cookie the iteration cookie.
+ * @return the error code (0 if ok).
+ */
+
+CASIO_LOCAL void CASIO_EXPORT end_iter(localmcs_iter_t *cookie)
+{
+ free(cookie);
+}
+
+/**
+ * casio_localmcs_iter:
+ * Iterate on files in a local main memory.
+ *
+ * @arg cookie the local main memory cookie.
+ * @arg iterp the iterator to make.
+ * @return the error code (0 if ok).
+ */
+
+CASIO_LOCAL casio_iter_funcs_t const casio_localmcs_iter_funcs = {
+ (casio_next_t *)next_mcsfile,
+ NULL,
+ (casio_end_t *)end_iter
+};
+
+int CASIO_EXPORT casio_localmcs_iter(localmcs_t *cookie, casio_iter_t **iterp)
+{
+ localmcs_iter_t *icookie;
+
+ icookie = casio_alloc(1, sizeof(*icookie));
+ if (!cookie)
+ return (casio_error_alloc);
+
+ icookie->mcs = cookie;
+ icookie->id = 0;
+
+ return (casio_iter(iterp, icookie, &casio_localmcs_iter_funcs));
+}