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// RUN: %clangxx_msan -m64 -g -O0 %s -o %t && \
// RUN: %run %t 2>&1
// RUN: %clangxx_msan -m64 -g -O0 -DUNINIT=1 %s -o %t && \
// RUN: not %run %t 2>&1 | FileCheck %s
#include <assert.h>
#include <string.h>
#include <rpc/xdr.h>
#include <sanitizer/msan_interface.h>
int main(int argc, char *argv[]) {
XDR xdrs;
char buf[100];
xdrmem_create(&xdrs, buf, sizeof(buf), XDR_ENCODE);
char s[20];
#ifndef UNINIT
strcpy(s, "hello");
#endif
char *sp = s;
unsigned sz = 6;
bool_t res = xdr_bytes(&xdrs, &sp, &sz, sizeof(s));
// CHECK: MemorySanitizer: use-of-uninitialized-value
// CHECK: {{in main.*sunrpc_bytes.cc:}}[[@LINE-2]]
assert(res == TRUE);
xdr_destroy(&xdrs);
xdrmem_create(&xdrs, buf, sizeof(buf), XDR_DECODE);
char s2[20];
char *sp2 = s2;
unsigned sz2;
res = xdr_bytes(&xdrs, &sp2, &sz2, sizeof(s2));
assert(res == TRUE);
assert(sz == sz2);
assert(strcmp(s, s2) == 0);
xdr_destroy(&xdrs);
return 0;
}
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