buyuer commented on code in PR #7028:
URL: https://github.com/apache/incubator-nuttx/pull/7028#discussion_r964564019
##########
include/nuttx/nuttx.h:
##########
@@ -48,4 +48,83 @@
#define container_of(ptr, type, member) \
((type *)((uintptr_t)(ptr) - offsetof(type, member)))
+/* Name: max_t
+ *
+ * Description:
+ * return maximum of two values, using the specified type
+ *
+ * Arguments:
+ * type - data type to use
+ * x - first value
+ * y - second value
+ */
+
+#ifndef max_t
+#define max_t(type, x, y) ({ \
+ type _max1 = (x); \
+ type _max2 = (y); \
+ _max1 > _max2 ? _max1 : _max2; })
Review Comment:
Oh, I understand what you mean, this is indeed a problem. It can only work
in the GCC compiler. If practical standard C, then it can only be implemented
by functions, not macro. Do you have a good suggestion？
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