[Spice-devel] [PATCH spice-server 07/16] test-display-base: Use spice allocation helpers

Frediano Ziglio fziglio at redhat.com
Wed Sep 6 15:49:52 UTC 2017


> 
> On Mon, Sep 04, 2017 at 11:57:15AM +0100, Frediano Ziglio wrote:
> > Do not use calloc and malloc directly without checking
> > the result. Use instead spice functions to get a nice
> > error in case of allocation failures.
> 
> I'd tend to switch to g_new0 and friends rather than spice_xxx...
> 
> Christophe
> 

But this would require change all the free too, I would
put this change in a follow up patch instead.

> > 
> > Signed-off-by: Frediano Ziglio <fziglio at redhat.com>
> > ---
> >  server/tests/test-display-base.c | 21 ++++++++++-----------
> >  1 file changed, 10 insertions(+), 11 deletions(-)
> > 
> > diff --git a/server/tests/test-display-base.c
> > b/server/tests/test-display-base.c
> > index d6b2dd07..c6e47bec 100644
> > --- a/server/tests/test-display-base.c
> > +++ b/server/tests/test-display-base.c
> > @@ -185,7 +185,7 @@ test_spice_create_update_from_bitmap(uint32_t
> > surface_id,
> >      bh = bbox.bottom - bbox.top;
> >      bw = bbox.right - bbox.left;
> >  
> > -    update   = calloc(sizeof(*update), 1);
> > +    update   = spice_new0(SimpleSpiceUpdate, 1);
> >      update->bitmap = bitmap;
> >      drawable = &update->drawable;
> >      image    = &update->image;
> > @@ -198,7 +198,7 @@ test_spice_create_update_from_bitmap(uint32_t
> > surface_id,
> >      } else {
> >          QXLClipRects *cmd_clip;
> >  
> > -        cmd_clip = calloc(sizeof(QXLClipRects) +
> > num_clip_rects*sizeof(QXLRect), 1);
> > +        cmd_clip = spice_malloc0(sizeof(QXLClipRects) +
> > num_clip_rects*sizeof(QXLRect));
> >          cmd_clip->num_rects = num_clip_rects;
> >          cmd_clip->chunk.data_size = num_clip_rects*sizeof(QXLRect);
> >          cmd_clip->chunk.prev_chunk = cmd_clip->chunk.next_chunk = 0;
> > @@ -247,7 +247,7 @@ static SimpleSpiceUpdate
> > *test_spice_create_update_solid(uint32_t surface_id, QX
> >      bw = bbox.right - bbox.left;
> >      bh = bbox.bottom - bbox.top;
> >  
> > -    bitmap = malloc(bw * bh * 4);
> > +    bitmap = spice_malloc(bw * bh * 4);
> >      dst = (uint32_t *)bitmap;
> >  
> >      for (i = 0 ; i < bh * bw ; ++i, ++dst) {
> > @@ -282,7 +282,7 @@ static SimpleSpiceUpdate
> > *test_spice_create_update_draw(Test *test, uint32_t sur
> >      bw       = test->primary_width/SINGLE_PART;
> >      bh       = 48;
> >  
> > -    bitmap = dst = malloc(bw * bh * 4);
> > +    bitmap = dst = spice_malloc(bw * bh * 4);
> >      //printf("allocated %p\n", dst);
> >  
> >      for (i = 0 ; i < bh * bw ; ++i, dst+=4) {
> > @@ -307,7 +307,7 @@ static SimpleSpiceUpdate
> > *test_spice_create_update_copy_bits(Test *test, uint32_
> >          .top = 0,
> >      };
> >  
> > -    update   = calloc(sizeof(*update), 1);
> > +    update   = spice_new0(SimpleSpiceUpdate, 1);
> >      drawable = &update->drawable;
> >  
> >      bw       = test->primary_width/SINGLE_PART;
> > @@ -352,7 +352,7 @@ static int format_to_bpp(int format)
> >  
> >  static SimpleSurfaceCmd *create_surface(int surface_id, int format, int
> >  width, int height, uint8_t *data)
> >  {
> > -    SimpleSurfaceCmd *simple_cmd = calloc(sizeof(SimpleSurfaceCmd), 1);
> > +    SimpleSurfaceCmd *simple_cmd = spice_new0(SimpleSurfaceCmd, 1);
> >      QXLSurfaceCmd *surface_cmd = &simple_cmd->surface_cmd;
> >      int bpp = format_to_bpp(format);
> >  
> > @@ -371,7 +371,7 @@ static SimpleSurfaceCmd *create_surface(int surface_id,
> > int format, int width, i
> >  
> >  static SimpleSurfaceCmd *destroy_surface(int surface_id)
> >  {
> > -    SimpleSurfaceCmd *simple_cmd = calloc(sizeof(SimpleSurfaceCmd), 1);
> > +    SimpleSurfaceCmd *simple_cmd = spice_new0(SimpleSurfaceCmd, 1);
> >      QXLSurfaceCmd *surface_cmd = &simple_cmd->surface_cmd;
> >  
> >      set_cmd(&simple_cmd->ext, QXL_CMD_SURFACE, (intptr_t)surface_cmd);
> > @@ -730,8 +730,8 @@ static int get_cursor_command(QXLInstance *qin, struct
> > QXLCommandExt *ext)
> >      }
> >  
> >      test->cursor_notify--;
> > -    cmd = calloc(sizeof(QXLCommandExt), 1);
> > -    cursor_cmd = calloc(sizeof(QXLCursorCmd), 1);
> > +    cmd = spice_new0(QXLCommandExt, 1);
> > +    cursor_cmd = spice_new0(QXLCursorCmd, 1);
> >  
> >      cursor_cmd->release_info.id = (unsigned long)cmd;
> >  
> > @@ -886,8 +886,7 @@ void test_set_simple_command_list(Test *test, const int
> > *simple_commands, int nu
> >      int i;
> >  
> >      free(test->commands);
> > -    test->commands = malloc(sizeof(*test->commands) * num_commands);
> > -    memset(test->commands, 0, sizeof(*test->commands) * num_commands);
> > +    test->commands = spice_new0(Command, num_commands);
> >      test->num_commands = num_commands;
> >      for (i = 0 ; i < num_commands; ++i) {
> >          test->commands[i].command = simple_commands[i];

Frediano


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