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