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-rw-r--r--src/common/util.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/common/util.h b/src/common/util.h
index 3a3a87378a..4a31c277e3 100644
--- a/src/common/util.h
+++ b/src/common/util.h
@@ -160,6 +160,11 @@ unsigned round_to_next_multiple_of(unsigned number, unsigned divisor);
uint32_t round_uint32_to_next_multiple_of(uint32_t number, uint32_t divisor);
uint64_t round_uint64_to_next_multiple_of(uint64_t number, uint64_t divisor);
+/* Compute the CEIL of <b>a</b> divided by <b>b</b>, for nonnegative <b>a</b>
+ * and positive <b>b</b>. Works on integer types only. Not defined if a+b can
+ * overflow. */
+#define CEIL_DIV(a,b) (((a)+(b)-1)/(b))
+
/* String manipulation */
/** Allowable characters in a hexadecimal string. */