1 files changed, 10 insertions, 5 deletions

diff --git a/inflate.c b/inflate.c
index da2bb59..287efda 100644
--- a/inflate.c
+++ b/inflate.c
@@ -97,7 +97,7 @@ local int updatewindow OF((z_streamp strm, unsigned out));
 #ifdef BUILDFIXED
    void makefixed OF((void));
 #endif
-local unsigned syncsearch OF((unsigned *have, unsigned char FAR *buf,
+local unsigned syncsearch OF((unsigned FAR *have, unsigned char FAR *buf,
                               unsigned len));
 
 int ZEXPORT inflateReset(strm)
@@ -134,11 +134,11 @@ int stream_size;
         return Z_VERSION_ERROR;
     if (strm == Z_NULL) return Z_STREAM_ERROR;
     strm->msg = Z_NULL;                 /* in case we return an error */
-    if (strm->zalloc == Z_NULL) {
+    if (strm->zalloc == (alloc_func)0) {
         strm->zalloc = zcalloc;
         strm->opaque = (voidpf)0;
     }
-    if (strm->zfree == Z_NULL) strm->zfree = zcfree;
+    if (strm->zfree == (free_func)0) strm->zfree = zcfree;
     state = (struct inflate_state FAR *)
             ZALLOC(strm, 1, sizeof(struct inflate_state));
     if (state == Z_NULL) return Z_MEM_ERROR;
@@ -559,6 +559,7 @@ int flush;
         return Z_STREAM_ERROR;
 
     state = (struct inflate_state FAR *)strm->state;
+    if (state->mode == TYPE) state->mode = TYPEDO;      /* skip check */
     LOAD();
     in = have;
     out = left;
@@ -709,6 +710,8 @@ int flush;
             strm->adler = state->check = adler32(0L, Z_NULL, 0);
             state->mode = TYPE;
         case TYPE:
+            if (flush == Z_BLOCK) goto inf_leave;
+        case TYPEDO:
             if (state->last) {
                 BYTEBITS();
                 state->mode = CHECK;
@@ -1071,6 +1074,8 @@ int flush;
     if (state->wrap && out)
         strm->adler = state->check =
             UPDATE(state->check, strm->next_out - out, out);
+    strm->data_type = state->bits + (state->last ? 8 : 0) +
+                      (state->mode == TYPE ? 16 : 0);
     if (((in == 0 && out == 0) || flush == Z_FINISH) && ret == Z_OK)
         ret = Z_BUF_ERROR;
     return ret;
@@ -1080,7 +1085,7 @@ int ZEXPORT inflateEnd(strm)
 z_streamp strm;
 {
     struct inflate_state FAR *state;
-    if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == Z_NULL)
+    if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
         return Z_STREAM_ERROR;
     state = (struct inflate_state FAR *)strm->state;
     if (state->window != Z_NULL) ZFREE(strm, state->window);
@@ -1233,7 +1238,7 @@ z_streamp source;
 
     /* check input */
     if (dest == Z_NULL || source == Z_NULL || source->state == Z_NULL ||
-        source->zalloc == Z_NULL || source->zfree == Z_NULL)
+        source->zalloc == (alloc_func)0 || source->zfree == (free_func)0)
         return Z_STREAM_ERROR;
     state = (struct inflate_state FAR *)source->state;