[libc-commits] [libc] [libc] Improve the implementation of the rand() function (PR #66131)

[via libc-commits]

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@@ -14,11 +14,18 @@
 #include <stdlib.h>
 
 TEST(LlvmLibcRandTest, UnsetSeed) {
+  static int vals[1000];
+
   for (size_t i = 0; i < 1000; ++i) {
     int val = __llvm_libc::rand();
     ASSERT_GE(val, 0);
     ASSERT_LE(val, RAND_MAX);
+    vals[i] = val;
   }
+
+  __llvm_libc::srand(1);
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lntue wrote:

Can you add comment about the C standard from `rand_util.cpp` here to explain why we are testing this value?

https://github.com/llvm/llvm-project/pull/66131