From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Tue, 8 Sep 2020 17:14:09 +0000 (+0300)
Subject: lib-compression: Add COMPRESSION_HDR_MAX_SIZE macro
X-Git-Tag: 2.3.13~249
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b1ca1ba084b24b13a60e357a9f3c1f0da492e75c;p=thirdparty%2Fdovecot%2Fcore.git

lib-compression: Add COMPRESSION_HDR_MAX_SIZE macro

Will be used by the next commit.
---

diff --git a/src/lib-compression/compression.h b/src/lib-compression/compression.h
index 5a3404fe63..b27d09e8bc 100644
--- a/src/lib-compression/compression.h
+++ b/src/lib-compression/compression.h
@@ -1,6 +1,11 @@
 #ifndef COMPRESSION_H
 #define COMPRESSION_H
 
+/* Compressed input is always detected once at maximum this many bytes have
+   been read. This value must be smaller than a typical istream max buffer
+   size. */
+#define COMPRESSION_HDR_MAX_SIZE 128
+
 struct compression_handler {
 	const char *name;
 	const char *ext;