1 files changed, 52 insertions, 0 deletions
diff --git a/src/lib-storage/index/index-attachment.h b/src/lib-storage/index/index-attachment.h
new file mode 100644
index 0000000..a52f158
--- /dev/null
+++ b/src/lib-storage/index/index-attachment.h
@@ -0,0 +1,52 @@
+#ifndef INDEX_ATTACHMENT_H
+#define INDEX_ATTACHMENT_H
+
+#include "sha1.h"
+
+struct fs;
+struct mail_save_context;
+struct mail_storage;
+
+struct mail_attachment_extref {
+	/* path without attachment_dir/ prefix */
+	const char *path;
+	/* offset in input stream where part begins */
+	uoff_t start_offset;
+	uoff_t size;
+
+	/* If non-zero, this attachment was saved as base64-decoded and it
+	   need to be encoded back before presenting it to client. Each line
+	   (except last one) consists of this many base64 blocks (4 chars of
+	   base64 encoded data). */
+	unsigned int base64_blocks_per_line;
+	/* Line feeds are CRLF instead of LF */
+	bool base64_have_crlf;
+};
+ARRAY_DEFINE_TYPE(mail_attachment_extref, struct mail_attachment_extref);
+
+void index_attachment_save_begin(struct mail_save_context *ctx,
+				 struct fs *fs, struct istream *input);
+int index_attachment_save_continue(struct mail_save_context *ctx);
+int index_attachment_save_finish(struct mail_save_context *ctx);
+void index_attachment_save_free(struct mail_save_context *ctx);
+const ARRAY_TYPE(mail_attachment_extref) *
+index_attachment_save_get_extrefs(struct mail_save_context *ctx);
+
+/* Delete a given attachment name from storage
+   (name is same as mail_attachment_extref.name). */
+int index_attachment_delete(struct mail_storage *storage,
+			    struct fs *fs, const char *name);
+
+void index_attachment_append_extrefs(string_t *str,
+	const ARRAY_TYPE(mail_attachment_extref) *extrefs);
+/* Parse extrefs value to given array. Names are allocated from the
+   given pool. */
+bool index_attachment_parse_extrefs(const char *line, pool_t pool,
+				    ARRAY_TYPE(mail_attachment_extref) *extrefs);
+
+int index_attachment_stream_get(struct fs *fs, const char *attachment_dir,
+				const char *path_suffix,
+				struct istream **stream, uoff_t full_size,
+				const char *ext_refs, const char **error_r);
+
+#endif