gzip: Implement

1 files changed, 40 insertions, 0 deletions

diff --git a/src/gzip.h b/src/gzip.h
new file mode 100644
index 0000000..5a3b2c7
--- /dev/null
+++ b/src/gzip.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2023  Patrick McDermott
+ *
+ * This file is part of opkg-opk.
+ *
+ * opkg-opk is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opkg-opk 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with opkg-opk.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef OPKG_OPK_GZIP_H_
+#define OPKG_OPK_GZIP_H_
+
+struct opkg_opk_gzip_state;
+
+#define OPKG_OPK_GZIP_OK     0
+#define OPKG_OPK_GZIP_END    1
+#define OPKG_OPK_GZIP_ERROR -1
+
+int
+opkg_opk_gzip_init_from_file(struct opkg_opk_gzip_state *state,
+		const char *file_name);
+
+int
+opkg_opk_gzip_init_from_memory(struct opkg_opk_gzip_state *state,
+		unsigned char *input, size_t input_size);
+
+int
+opkg_opk_gzip_next_record(struct opkg_opk_gzip_state *state, void *record);
+
+#endif  /* OPKG_OPK_GZIP_H_ */