Fix warnings when building zlib with ZLIB_CONST defined

Probably not very useful (given the lack of feedback) but feels more
correct.  Kernel part tested with option ZLIB_CONST.

3 files changed, 8 insertions, 8 deletions

diff --git a/lib/libz/infback.c b/lib/libz/infback.c
index 53879e161be..e9803588915 100644
--- a/lib/libz/infback.c
+++ b/lib/libz/infback.c
@@ -246,7 +246,7 @@ out_func out;
 void FAR *out_desc;
 {
     struct inflate_state FAR *state;
-    unsigned char FAR *next;    /* next input */
+    z_const unsigned char FAR *next;    /* next input */
     unsigned char FAR *put;     /* next output */
     unsigned have, left;        /* available input and output */
     unsigned long hold;         /* bit buffer */
diff --git a/lib/libz/inffast.c b/lib/libz/inffast.c
index e4c62b1407f..988806ca3c1 100644
--- a/lib/libz/inffast.c
+++ b/lib/libz/inffast.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: inffast.c,v 1.7 2005/07/20 15:56:41 millert Exp $	*/
+/*	$OpenBSD: inffast.c,v 1.8 2019/06/01 11:39:57 jca Exp $	*/
 /* inffast.c -- fast decoding
  * Copyright (C) 1995-2004 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
@@ -70,8 +70,8 @@ z_streamp strm;
 unsigned start;         /* inflate()'s starting value for strm->avail_out */
 {
     struct inflate_state FAR *state;
-    unsigned char FAR *in;      /* local strm->next_in */
-    unsigned char FAR *last;    /* while in < last, enough input available */
+    z_const unsigned char FAR *in;      /* local strm->next_in */
+    z_const unsigned char FAR *last;    /* while in < last, enough input available */
     unsigned char FAR *out;     /* local strm->next_out */
     unsigned char FAR *beg;     /* inflate()'s initial strm->next_out */
     unsigned char FAR *end;     /* while out < end, enough space available */
diff --git a/lib/libz/inflate.c b/lib/libz/inflate.c
index 23281f9ce77..37930a9f261 100644
--- a/lib/libz/inflate.c
+++ b/lib/libz/inflate.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: inflate.c,v 1.9 2005/07/20 15:56:41 millert Exp $	*/
+/*	$OpenBSD: inflate.c,v 1.10 2019/06/01 11:39:57 jca Exp $	*/
 /* inflate.c -- zlib decompression
  * Copyright (C) 1995-2005 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
@@ -98,7 +98,7 @@ local int updatewindow OF((z_streamp strm, unsigned out));
 #ifdef BUILDFIXED
    void makefixed OF((void));
 #endif
-local unsigned syncsearch OF((unsigned FAR *have, unsigned char FAR *buf,
+local unsigned syncsearch OF((unsigned FAR *have, z_const unsigned char FAR *buf,
                               unsigned len));
 
 int ZEXPORT inflateReset(strm)
@@ -557,7 +557,7 @@ z_streamp strm;
 int flush;
 {
     struct inflate_state FAR *state;
-    unsigned char FAR *next;    /* next input */
+    z_const unsigned char FAR *next;    /* next input */
     unsigned char FAR *put;     /* next output */
     unsigned have, left;        /* available input and output */
     unsigned long hold;         /* bit buffer */
@@ -1317,7 +1317,7 @@ gz_headerp head;
  */
 local unsigned syncsearch(have, buf, len)
 unsigned FAR *have;
-unsigned char FAR *buf;
+z_const unsigned char FAR *buf;
 unsigned len;
 {
     unsigned got;