From 85e0910e6ec2b81ff4b9232015a30b369aef8c0c Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@trombone>
Date: Mon, 27 Jun 2022 13:16:28 -0500
Subject: gzip: match printf format to arg type

This pacifies gcc -Wformat -DDEBUG.
* bits.c (send_bits):
* deflate.c (check_match):
* inflate.c (huft_build, inflate_codes):
* trees.c (send_code, gen_codes, flush_block):
Use correct printf formats for signed vs unsigned integers.
---
 inflate.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

(limited to 'inflate.c')

diff --git a/inflate.c b/inflate.c
index f54eb65..199a935 100644
--- a/inflate.c
+++ b/inflate.c
@@ -310,8 +310,18 @@ int *m                  /* maximum lookup bits, returns actual */
   memzero(c, sizeof(c));
   p = b;  i = n;
   do {
-    Tracecv(*p, (stderr, (n-i >= ' ' && n-i <= '~' ? "%c %d\n" : "0x%x %d\n"),
-            n-i, *p));
+#ifdef DEBUG
+    if (1 < verbose && *p)
+      {
+	if (' ' <= n - i && n - i <= '~')
+	  {
+	    char ch = n - i;
+	    fprintf (stderr, "%c %u\n", ch, *p);
+	  }
+	else
+	  fprintf (stderr, "0x%x %u\n", n - i, *p);
+      }
+#endif
     c[*p]++;                    /* assume all entries <= BMAX */
     p++;                      /* Can't combine with above line (Solaris bug) */
   } while (--i);
@@ -572,7 +582,7 @@ inflate_codes(struct huft *tl, struct huft *td, int bl, int bd)
       NEEDBITS(e)
       d = w - t->v.n - ((unsigned)b & mask_bits[e]);
       DUMPBITS(e)
-      Tracevv((stderr,"\\[%d,%d]", w-d, n));
+      Tracevv ((stderr, "\\[%u,%u]", w - d, n));
 
       /* do the copy */
       do {
-- 
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