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gl: Check against user-provided invalid sizes

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-12-05 14:42:15 +00:00
parent 3edf369ead
commit d7dcf9d28f
3 changed files with 9 additions and 0 deletions
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3
src/cairo-egl-context.c
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@ -218,6 +218,9 @@ cairo_gl_surface_create_for_egl (cairo_device_t *device,
if (device->backend->type != CAIRO_DEVICE_TYPE_GL)
return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH));
if (width <= 0 || height <= 0)
return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_SIZE));
surface = calloc (1, sizeof (cairo_egl_surface_t));
if (unlikely (surface == NULL))
return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));

3
src/cairo-glx-context.c
View file

@ -265,6 +265,9 @@ cairo_gl_surface_create_for_window (cairo_device_t *device,
if (device->backend->type != CAIRO_DEVICE_TYPE_GL)
return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH));
if (width <= 0 || height <= 0)
return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_SIZE));
surface = calloc (1, sizeof (cairo_glx_surface_t));
if (unlikely (surface == NULL))
return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));

3
src/cairo-wgl-context.c
View file

@ -246,6 +246,9 @@ cairo_gl_surface_create_for_dc (cairo_device_t *device,
if (device->backend->type != CAIRO_DEVICE_TYPE_GL)
return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH));
if (width <= 0 || height <= 0)
return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_SIZE));
surface = calloc (1, sizeof (cairo_wgl_surface_t));
if (unlikely (surface == NULL))
return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));