Annotations to observe what bytes deflate.c looks at.

gistfile1.txt

128-110-72-21:updated-gzip-1.2.4 dyoo$ diff -u inflate.c ../gzip-1.2.4/inflate.c 
--- inflate.c	2013-02-05 15:05:33.000000000 -0700
+++ ../gzip-1.2.4/inflate.c	1993-08-13 08:50:20.000000000 -0600
@@ -212,16 +212,14 @@
     0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
 };
 
-int theByte;
-
 #ifdef CRYPT
   uch cc;
 #  define NEXTBYTE() \
      (decrypt ? (cc = get_byte(), zdecode(cc), cc) : get_byte())
 #else
-#  define NEXTBYTE()  get_byte()
+#  define NEXTBYTE()  (uch)get_byte()
 #endif
-#define NEEDBITS(n) {while(k<(n)){theByte = (uch)NEXTBYTE(); printf("nextbyte: %d\n", theByte);b|=((ulg)theByte)<<k;k+=8;}}
+#define NEEDBITS(n) {while(k<(n)){b|=((ulg)NEXTBYTE())<<k;k+=8;}}
 #define DUMPBITS(n) {b>>=(n);k-=(n);}
 
 
@@ -537,10 +535,8 @@
     else                        /* it's an EOB or a length */
     {
       /* exit if end of block */
-      if (e == 15) {
-        printf("EOB detected\n");
+      if (e == 15)
         break;
-      }
 
       /* get length of block to copy */
       NEEDBITS(e)
@@ -876,7 +872,6 @@
   register ulg b;       /* bit buffer */
   register unsigned k;  /* number of bits in bit buffer */
 
-  printf("inflate block\n");
 
   /* make local bit buffer */
   b = bb;
@@ -922,7 +917,6 @@
   int r;                /* result code */
   unsigned h;           /* maximum struct huft's malloc'ed */
 
-  printf("inflate\n");
 
   /* initialize window, bit buffer */
   wp = 0;
@@ -951,8 +945,6 @@
   /* flush out slide */
   flush_output(wp);
 
-  printf("inflate done\n");
-
 
   /* return success */
 #ifdef DEBUG