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Introduce ARRAY_SIZE() macro

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This can be used to clean up the common sizeof(a)/sizeof(a[0])
constructions to use a more readable version.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2013-10-26 17:00:01 +03:00
parent 2e946249b1
commit 39044a7033
1 changed files with 2 additions and 0 deletions
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src/utils/common.h
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@ -518,6 +518,8 @@ int freq_range_list_includes(const struct wpa_freq_range_list *list,
unsigned int freq); unsigned int freq);
char * freq_range_list_str(const struct wpa_freq_range_list *list); char * freq_range_list_str(const struct wpa_freq_range_list *list);
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
/* /*
* gcc 4.4 ends up generating strict-aliasing warnings about some very common * gcc 4.4 ends up generating strict-aliasing warnings about some very common