1 files changed, 15 insertions, 0 deletions
diff --git a/src/lib-fs/ostream-cmp.h b/src/lib-fs/ostream-cmp.h
new file mode 100644
index 0000000..cd6d567
--- /dev/null
+++ b/src/lib-fs/ostream-cmp.h
@@ -0,0 +1,15 @@
+#ifndef OSTREAM_CMP_H
+#define OSTREAM_CMP_H
+
+/* Compare given input stream to output being written to output stream. */
+struct ostream *
+o_stream_create_cmp(struct ostream *output, struct istream *input);
+/* Returns TRUE if input and output are equal so far. If the caller needs to
+   know if the files are entirely equal, it should check also if input stream
+   is at EOF. */
+bool o_stream_cmp_equals(struct ostream *output);
+
+bool stream_cmp_block(struct istream *input,
+		      const unsigned char *data, size_t size);
+
+#endif