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authorHenning Brauer <henning@cvs.openbsd.org>2003-12-16 22:40:59 +0000
committerHenning Brauer <henning@cvs.openbsd.org>2003-12-16 22:40:59 +0000
commit3b759548496abdc3b975d6a17fa3650b8df3e1ec (patch)
tree749e502ec394ada600dc82f5fa36ff7707c0ecd2 /distrib/special/gzip/compress.c
parent1cc43490681263089ee601bd6579ea970c6b5065 (diff)
space saver for the boot floppies:
on the install media, gzip only need to decompress, but never to compress. so leave the (gz-)compress code out. don't link libz but compile the needed parts in. use an older much smaller crc32.c version and a cut down compress.c tested by nick@ ok deraadt@
Diffstat (limited to 'distrib/special/gzip/compress.c')
-rw-r--r--distrib/special/gzip/compress.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/distrib/special/gzip/compress.c b/distrib/special/gzip/compress.c
new file mode 100644
index 00000000000..99b7fb091db
--- /dev/null
+++ b/distrib/special/gzip/compress.c
@@ -0,0 +1,15 @@
+/* $OpenBSD: compress.c,v 1.1 2003/12/16 22:40:58 henning Exp $ */
+/* compress.c -- compress a memory buffer
+ * Copyright (C) 1995-2002 Jean-loup Gailly.
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+
+#define ZLIB_INTERNAL
+#include "zlib.h"
+
+uLong ZEXPORT compressBound (sourceLen)
+ uLong sourceLen;
+{
+ return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + 11;
+}