Update freeamp 2.1.1 to zinf 2.2.0.

Add zlib patches for working around zlib 1.1.4 problems (obtained from
src/lib/zlibz in current) + a file that was forgotten in the zlib 1.1.3 to
1.1.4 upgrade between freeamp 2.1.1 and zinf 2.2.0.

1 files changed, 21 insertions, 0 deletions

diff --git a/audio/zinf/files/patch-zlib-infcodes.c b/audio/zinf/files/patch-zlib-infcodes.c
new file mode 100644
index 000000000000..635646f8bddb
--- /dev/null
+++ b/audio/zinf/files/patch-zlib-infcodes.c
@@ -0,0 +1,21 @@
+--- lib/zlib/src/infcodes.c.orig	Thu Jun 20 08:40:24 2002
++++ lib/zlib/src/infcodes.c	Sun Aug  4 16:45:11 2002
+@@ -197,8 +197,18 @@
+       c->mode = COPY;
+     case COPY:          /* o: copying bytes in window, waiting for space */
+       f = q - c->sub.copy.dist;
++#ifdef __FreeBSD__
++      {
++      /* Work-around for a FreeBSD gcc bug. */
++      volatile inflate_blocks_statef *s1 = s;
++
++      while (f < s1->window)            /* modulo window size-"while" instead */
++        f += s1->end - s1->window;      /* of "if" handles invalid distances */
++      }
++#else
+       while (f < s->window)             /* modulo window size-"while" instead */
+         f += s->end - s->window;        /* of "if" handles invalid distances */
++#endif
+       while (c->len)
+       {
+         NEEDOUT