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Fix some movement/rendering bugs

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This commit is contained in:
Michael Stapelberg
2009-02-23 01:41:26 +01:00
parent 4ba6ddb41c
commit fe0485f9e5
5 changed files with 44 additions and 22 deletions
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5
include/util.h
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@ -16,6 +16,11 @@
#define _UTIL_H
#define exit_if_null(pointer, ...) { if (pointer == NULL) die(__VA_ARGS__); }
#define CIRCLEQ_NEXT_OR_NULL(head, elm, field) (CIRCLEQ_NEXT(elm, field) != CIRCLEQ_END(head) ? \
CIRCLEQ_NEXT(elm, field) : NULL)
#define CIRCLEQ_PREV_OR_NULL(head, elm, field) (CIRCLEQ_PREV(elm, field) != CIRCLEQ_END(head) ? \
CIRCLEQ_PREV(elm, field) : NULL)
int min(int a, int b);
int max(int a, int b);