mingw32 build: fix signed/unsigned warnings as errors

3 files changed, 7 insertions, 7 deletions

diff --git a/common/canvas_base.c b/common/canvas_base.c
index c2763bcc..6d101f49 100644
--- a/common/canvas_base.c
+++ b/common/canvas_base.c
@@ -146,7 +146,7 @@ typedef struct QuicData {
     jmp_buf jmp_env;
     char message_buf[512];
     SpiceChunks *chunks;
-    int current_chunk;
+    uint32_t current_chunk;
 } QuicData;
 
 typedef struct CanvasBase {
@@ -809,8 +809,8 @@ static pixman_image_t *canvas_get_lz(CanvasBase *canvas, SpiceImage *image, int
         CANVAS_ERROR("unexpected LZ image type");
     }
 
-    ASSERT(width == image->descriptor.width);
-    ASSERT(height == image->descriptor.height);
+    ASSERT((unsigned)width == image->descriptor.width);
+    ASSERT((unsigned)height == image->descriptor.height);
 
     ASSERT((image->descriptor.type == SPICE_IMAGE_TYPE_LZ_PLT) || (n_comp_pixels == width * height));
 #ifdef WIN32
@@ -3309,7 +3309,7 @@ static void unimplemented_op(SpiceCanvas *canvas)
 inline static void canvas_base_init_ops(SpiceCanvasOps *ops)
 {
     void **ops_cast;
-    int i;
+    unsigned i;
 
     ops_cast = (void **)ops;
     for (i = 0; i < sizeof(SpiceCanvasOps) / sizeof(void *); i++) {
diff --git a/common/lz.c b/common/lz.c
index e5635849..d0d95115 100644
--- a/common/lz.c
+++ b/common/lz.c
@@ -633,7 +633,7 @@ void lz_decode(LzContext *lz, LzImageType to_type, uint8_t *buf)
     Encoder *encoder = (Encoder *)lz;
     size_t out_size = 0;
     size_t alpha_size = 0;
-    int size = 0;
+    size_t size = 0;
     if (IS_IMAGE_TYPE_PLT[encoder->type]) {
         if (to_type == encoder->type) {
             size = encoder->height * encoder->stride;
diff --git a/common/sw_canvas.c b/common/sw_canvas.c
index f579b4cb..37083df0 100644
--- a/common/sw_canvas.c
+++ b/common/sw_canvas.c
@@ -976,8 +976,8 @@ static void canvas_put_image(SpiceCanvas *spice_canvas,
 {
     SwCanvas *canvas = (SwCanvas *)spice_canvas;
     pixman_image_t *src;
-    int dest_width;
-    int dest_height;
+    uint32_t dest_width;
+    uint32_t dest_height;
     double sx, sy;
     pixman_transform_t transform;