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glsl: Add typed foreach_in_list_safe macro.

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Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Matt Turner 2014-06-24 16:32:29 -07:00
parent 3597681040
commit da9f0316e6
1 changed files with 9 additions and 0 deletions
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9
src/glsl/list.h
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@ -583,6 +583,15 @@ inline void exec_node::insert_before(exec_list *before)
!(__inst)->is_head_sentinel(); \
(__inst) = (__type *)(__inst)->prev)
/**
* This version is safe even if the current node is removed.
*/
#define foreach_in_list_safe(__type, __node, __list) \
for (__type *__node = (__type *)(__list)->head, \
*__next = (__type *)__node->next; \
__next != NULL; \
__node = __next, __next = (__type *)__next->next)
/**
* Iterate through two lists at once. Stops at the end of the shorter list.
*