nghttp2: more warning fixes

Change-Id: Ib94a02f5977bd7d456895bbe453c35d77f559bd1
Reviewed-on: https://code.wireshark.org/review/1901
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>

2 files changed, 7 insertions, 7 deletions

diff --git a/wsutil/nghttp2/nghttp2_hd.c b/wsutil/nghttp2/nghttp2_hd.c
index 4e9915c53f..f31e74edc1 100644
--- a/wsutil/nghttp2/nghttp2_hd.c
+++ b/wsutil/nghttp2/nghttp2_hd.c
@@ -880,7 +880,7 @@ static search_result search_hd_table(nghttp2_hd_context *context,
                                      nghttp2_nv *nv)
 {
   search_result res = { -1, 0 };
-  ssize_t i;
+  size_t i;
   uint32_t name_hash = hash(nv->name, nv->namelen);
   uint32_t value_hash = hash(nv->value, nv->valuelen);
   ssize_t left = -1, right = (ssize_t)STATIC_TABLE_LENGTH;
@@ -891,10 +891,10 @@ static search_result search_hd_table(nghttp2_hd_context *context,
       nghttp2_hd_entry *ent = hd_ringbuf_get(&context->hd_table, i);
       if(ent->name_hash == name_hash && name_eq(&ent->nv, nv)) {
         if(res.index == -1) {
-          res.index = i;
+          res.index = (ssize_t)i;
         }
         if(ent->value_hash == value_hash && value_eq(&ent->nv, nv)) {
-          res.index = i;
+          res.index = (ssize_t)i;
           res.name_value_match = 1;
           return res;
         }
@@ -1395,7 +1395,7 @@ static ssize_t hd_inflate_read_huff(nghttp2_hd_inflater *inflater,
     last = in + inflater->left;
     final = 1;
   }
-  rv = nghttp2_hd_huff_decode(&inflater->huff_decode_ctx, bufs,
+  rv = (int)nghttp2_hd_huff_decode(&inflater->huff_decode_ctx, bufs,
                               in, last - in, final);
 
   if(rv < 0) {
diff --git a/wsutil/nghttp2/nghttp2_hd_huffman.c b/wsutil/nghttp2/nghttp2_hd_huffman.c
index 4cfb17b816..9c8a6c7e7a 100644
--- a/wsutil/nghttp2/nghttp2_hd_huffman.c
+++ b/wsutil/nghttp2/nghttp2_hd_huffman.c
@@ -133,7 +133,7 @@ int nghttp2_hd_huff_encode(nghttp2_bufs *bufs,
         avail = nghttp2_bufs_cur_avail(bufs);
       }
     }
-    rembits = huff_encode_sym(bufs, &avail, rembits, sym);
+    rembits = (int)huff_encode_sym(bufs, &avail, rembits, sym);
     if(rembits < 0) {
       return rembits;
     }
@@ -166,7 +166,7 @@ ssize_t nghttp2_hd_huff_decode(nghttp2_hd_huff_decode_context *ctx,
                                nghttp2_bufs *bufs,
                                const uint8_t *src, size_t srclen, int final)
 {
-  ssize_t i, j;
+  size_t i, j;
   int rv;
   size_t avail;
 
@@ -203,5 +203,5 @@ ssize_t nghttp2_hd_huff_decode(nghttp2_hd_huff_decode_context *ctx,
   if(final && !ctx->accept) {
     return NGHTTP2_ERR_HEADER_COMP;
   }
-  return i;
+  return (ssize_t)i;
 }