2 files changed, 42 insertions, 35 deletions

diff --git a/contrib/masmx86/gvmat32.asm b/contrib/masmx86/gvmat32.asm
index ec360e6..e841a7f 100644
--- a/contrib/masmx86/gvmat32.asm
+++ b/contrib/masmx86/gvmat32.asm
@@ -47,21 +47,25 @@
 
 
 
-;  all the +4 offsets are due to the addition of pending_buf_size (in zlib
+;  all the +addstr offsets are due to the addition of pending_buf_size in zlib 1.04
+;  and adding gzhead and gzindex in zlib 1.2.2.1
 ;  in the deflate_state structure since the asm code was first written
-;  (if you compile with zlib 1.0.4 or older, remove the +4).
+;  (if you compile with zlib 1.0.4 or older, set addstr to 0).
+;  (if you compiler with zlib between 1.04 and 1.2.1, set addstr to 4)
 ;  Note : these value are good with a 8 bytes boundary pack structure
-    dep_chain_length    equ     70h+4
-    dep_window          equ     2ch+4
-    dep_strstart        equ     60h+4
-    dep_prev_length     equ     6ch+4
-    dep_nice_match      equ     84h+4
-    dep_w_size          equ     20h+4
-    dep_prev            equ     34h+4
-    dep_w_mask          equ     28h+4
-    dep_good_match      equ     80h+4
-    dep_match_start     equ     64h+4
-    dep_lookahead       equ     68h+4
+
+    addstr              equ     4+8
+    dep_chain_length    equ     70h+addstr
+    dep_window          equ     2ch+addstr
+    dep_strstart        equ     60h+addstr
+    dep_prev_length     equ     6ch+addstr
+    dep_nice_match      equ     84h+addstr
+    dep_w_size          equ     20h+addstr
+    dep_prev            equ     34h+addstr
+    dep_w_mask          equ     28h+addstr
+    dep_good_match      equ     80h+addstr
+    dep_match_start     equ     64h+addstr
+    dep_lookahead       equ     68h+addstr
 
 
 _TEXT                   segment
@@ -597,19 +601,19 @@ curmatch	equ  esp + 60
 ;;; program to crash horribly, without so much as a warning at
 ;;; compile time. Sigh.)
 
-dsWSize         equ 36
-dsWMask         equ 44
-dsWindow        equ 48
-dsPrev          equ 56
-dsMatchLen      equ 88
-dsPrevMatch     equ 92
-dsStrStart      equ 100
-dsMatchStart    equ 104
-dsLookahead     equ 108
-dsPrevLen       equ 112
-dsMaxChainLen   equ 116
-dsGoodMatch     equ 132
-dsNiceMatch     equ 136
+dsWSize         equ 36+addstr-4
+dsWMask         equ 44+addstr-4
+dsWindow        equ 48+addstr-4
+dsPrev          equ 56+addstr-4
+dsMatchLen      equ 88+addstr-4
+dsPrevMatch     equ 92+addstr-4
+dsStrStart      equ 100+addstr-4
+dsMatchStart    equ 104+addstr-4
+dsLookahead     equ 108+addstr-4
+dsPrevLen       equ 112+addstr-4
+dsMaxChainLen   equ 116+addstr-4
+dsGoodMatch     equ 132+addstr-4
+dsNiceMatch     equ 136+addstr-4
 
 
 ;;; match.asm -- Pentium-Pro-optimized version of longest_match()
diff --git a/contrib/masmx86/inffas32.asm b/contrib/masmx86/inffas32.asm
index 7d76e1c..531bcef 100644
--- a/contrib/masmx86/inffas32.asm
+++ b/contrib/masmx86/inffas32.asm
@@ -84,17 +84,20 @@ dd	2147483647
 dd      4294967295
 
 
+; head was added in zlib 1.2.2.1, so we add addstr
+; set addstr to 0 with zlib 1.2.1 of below
+addstr           equ    4
 
 mode_state       equ    0       ;/* state->mode */
-wsize_state      equ    32      ;/* state->wsize */
-write_state      equ    (36+4)  ;/* state->write */
-window_state     equ    (40+4)  ;/* state->window */
-hold_state       equ    (44+4)  ;/* state->hold */
-bits_state       equ    (48+4)  ;/* state->bits */
-lencode_state    equ    (64+4)  ;/* state->lencode */
-distcode_state   equ    (68+4)  ;/* state->distcode */
-lenbits_state    equ    (72+4)  ;/* state->lenbits */
-distbits_state   equ    (76+4)  ;/* state->distbits */
+wsize_state      equ    32+addstr       ;/* state->wsize */
+write_state      equ    (36+4+addstr)   ;/* state->write */
+window_state     equ    (40+4+addstr)   ;/* state->window */
+hold_state       equ    (44+4+addstr)   ;/* state->hold */
+bits_state       equ    (48+4+addstr)   ;/* state->bits */
+lencode_state    equ    (64+4+addstr)   ;/* state->lencode */
+distcode_state   equ    (68+4+addstr)   ;/* state->distcode */
+lenbits_state    equ    (72+4+addstr)   ;/* state->lenbits */
+distbits_state   equ    (76+4+addstr)   ;/* state->distbits */
 
 
 ;;SECTION .text