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added missing util.h/c stuff

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minus 2015-08-25 19:53:59 +02:00
parent e854a54e96
commit e533014201
2 changed files with 7 additions and 0 deletions
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5
include/util.h
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@ -1,4 +1,9 @@
#ifndef _SWAY_UTIL_H
#define _SWAY_UTIL_H
/** /**
* Wrap i into the range [0, max[ * Wrap i into the range [0, max[
*/ */
int wrap(int i, int max); int wrap(int i, int max);
#endif

2
sway/util.c
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@ -1,3 +1,5 @@
#include "util.h"
int wrap(int i, int max) { int wrap(int i, int max) {
return ((i % max) + max) % max; return ((i % max) + max) % max;
} }