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Add error checks.

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This commit is contained in:
siavash 2013-07-06 11:11:27 +04:30
parent 763ec6cbcb
commit 37b07a6d31
1 changed files with 23 additions and 5 deletions
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28
src/x11_init.c
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@ -552,21 +552,37 @@ static Cursor createNULLCursor(void)
GC gc;
XColor col;
Cursor cursor;
// TODO: Add error checks
int rectstatus;
cursormask = XCreatePixmap(_glfw.x11.display, _glfw.x11.root, 1, 1, 1);
if (cursormask == BadValue)
return 0;
xgc.function = GXclear;
gc = XCreateGC(_glfw.x11.display, cursormask, GCFunction, &xgc);
XFillRectangle(_glfw.x11.display, cursormask, gc, 0, 0, 1, 1);
if (gc == BadAlloc || gc == BadDrawable ||
gc == BadFont || gc == BadMatch ||
gc == BadPixmap || gc == BadValue)
return 0;
rectstatus = XFillRectangle(_glfw.x11.display, cursormask, gc, 0, 0, 1, 1);
if (rectstatus == BadDrawable || rectstatus == BadGC || rectstatus == BadMatch)
return 0;
col.pixel = 0;
col.red = 0;
col.flags = 4;
cursor = XCreatePixmapCursor(_glfw.x11.display,
cursormask, cursormask,
&col, &col, 0, 0);
XFreePixmap(_glfw.x11.display, cursormask);
XFreeGC(_glfw.x11.display, gc);
if (cursor == BadAlloc || cursor == BadPixmap)
return 0;
if (XFreePixmap(_glfw.x11.display, cursormask) == BadPixmap)
return 0;
if (XFreeGC(_glfw.x11.display, gc) == BadGC)
return 0;
return cursor;
}
@ -606,6 +622,8 @@ int _glfwPlatformInit(void)
return GL_FALSE;
_glfw.x11.cursor = createNULLCursor();
if (_glfw.x11.cursor == 0)
return GL_FALSE;
if (!_glfwInitContextAPI())
return GL_FALSE;