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[ASan] Fix printf-5.c on OSX: fix a compiler warning, avoid intercepting memcpy (which triggers the error report before printf does). 

llvm-svn: 200751
This commit is contained in:
Alexander Potapenko 2014-02-04 10:36:55 +00:00
parent 9244c48b29
commit 40fcff653c
1 changed files with 5 additions and 4 deletions
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9
compiler-rt/lib/asan/lit_tests/TestCases/printf-5.c
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@ -1,7 +1,8 @@
// RUN: %clang_asan -O2 %s -o %t
// RUN: ASAN_OPTIONS=check_printf=1 not %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
// RUN: ASAN_OPTIONS=check_printf=0 %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s
// RUN: %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s
// We need replace_intrin=0 to avoid reporting errors in memcpy.
// RUN: ASAN_OPTIONS=replace_intrin=0:check_printf=1 not %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
// RUN: ASAN_OPTIONS=replace_intrin=0:check_printf=0 %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s
// RUN: ASAN_OPTIONS=replace_intrin=0 %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s
#include <stdio.h>
#include <string.h>
@ -12,7 +13,7 @@ int main() {
volatile char s[] = "34";
volatile char fmt[2];
memcpy((char *)fmt, "%c %d %f %s\n", sizeof(fmt));
printf(fmt, c, x, f, s);
printf((char *)fmt, c, x, f, s);
return 0;
// Check that format string is sanitized.
// CHECK-ON: stack-buffer-overflow