From 50a16934dde8e65bbcf628d6342c1649f7e09365 Mon Sep 17 00:00:00 2001
From: Tyge Lovset <tylovset@gmail.com>
Date: Thu, 18 May 2023 11:49:31 +0200
Subject: Huge update: cqueue and cdeq completely rewritten. cvec and cdeq API
 harmonized. Docs update/improved.

---
 include/stc/ccommon.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'include/stc/ccommon.h')

diff --git a/include/stc/ccommon.h b/include/stc/ccommon.h
index fd673696..07c72e2f 100644
--- a/include/stc/ccommon.h
+++ b/include/stc/ccommon.h
@@ -171,6 +171,16 @@ STC_INLINE char* cstrnstrn(const char *str, const char *needle,
     return NULL;
 }
 
+STC_INLINE intptr_t cnextpow2(intptr_t n) {
+    n--;
+    n |= n >> 1, n |= n >> 2;
+    n |= n >> 4, n |= n >> 8;
+    n |= n >> 16;
+    #if INTPTR_SIZE == INT64_SIZE
+    n |= n >> 32;
+    #endif
+    return n + 1;
+}
 /* Control block macros */
 
 #define c_foreach(...) c_MACRO_OVERLOAD(c_foreach, __VA_ARGS__)
-- 
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