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Add __arraycount() macro from NetBSD

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This commit is contained in:
Guillem Jover 2018-05-21 03:00:47 +02:00
parent f6ed7c278b
commit 30b4d50754
1 changed files with 6 additions and 0 deletions
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6
include/bsd/sys/cdefs.h
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@ -155,6 +155,12 @@
# define __bounded__(x, y, z) # define __bounded__(x, y, z)
#endif #endif
/*
* Return the number of elements in a statically-allocated array,
* __x.
*/
#define __arraycount(__x) (sizeof(__x) / sizeof(__x[0]))
/* /*
* We define this here since <stddef.h>, <sys/queue.h>, and <sys/types.h> * We define this here since <stddef.h>, <sys/queue.h>, and <sys/types.h>
* require it. * require it.