================
@@ -529,3 +529,37 @@ void nocrash_on_locint_offset(void *addr, void* from,
struct S s) {
size_t iAdd = (size_t) addr;
memcpy(((void *) &(s.f)), from, iAdd);
}
+
+//===----------------------------------------------------------------------===//
+// getentropy()
+//===----------------------------------------------------------------------===//
+
+int getentropy(void *d, size_t n);
+
+int getentropy0(void) {
+ char buf[16] = {0};
+
+ int r = getentropy(buf, sizeof(buf)); // no-warning
+ return r;
+}
+
+int getentropy1(void) {
+ char buf[257] = {0};
+
+ int r = getentropy(buf, 256); // no-warning
+ return r;
+}
+
+int getentropy2(void) {
+ char buf[1024] = {0};
+
+ int r = getentropy(buf, sizeof(buf)); // expected-warning{{must be smaller
than or equal to 256}}
+ return r;
+}
+
+int getentropy3(void) {
+ char buf[256] = {0};
+
+ int r = getentropy(buf, 0); // no-wwarning
----------------
NagyDonat wrote:
```suggestion
int r = getentropy(buf, 0); // no-warning
```
Just a typo. (By the way, "no-warning" is just a comment, it's not significant
for the test engine. The tests will fail if when any unexpected warning
appears, but it's customary to write no-warning after the statements that are
the "central" parts of a testcase but should not produce a warning.)
https://github.com/llvm/llvm-project/pull/83675
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