diff options
Diffstat (limited to 'test/asan/TestCases/strncasecmp_strict.c')
-rw-r--r-- | test/asan/TestCases/strncasecmp_strict.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/test/asan/TestCases/strncasecmp_strict.c b/test/asan/TestCases/strncasecmp_strict.c new file mode 100644 index 0000000000000..aa658402b42b3 --- /dev/null +++ b/test/asan/TestCases/strncasecmp_strict.c @@ -0,0 +1,67 @@ +// Test strict_string_checks option in strncmp function +// RUN: %clang_asan %s -o %t + +// RUN: %env_asan_opts=strict_string_checks=false %run %t a 2>&1 +// RUN: %env_asan_opts=strict_string_checks=true %run %t a 2>&1 +// RUN: not %run %t b 2>&1 | FileCheck %s +// RUN: not %run %t c 2>&1 | FileCheck %s +// RUN: not %run %t d 2>&1 | FileCheck %s +// RUN: not %run %t e 2>&1 | FileCheck %s +// RUN: not %run %t f 2>&1 | FileCheck %s +// RUN: not %run %t g 2>&1 | FileCheck %s +// RUN: %env_asan_opts=strict_string_checks=false %run %t h 2>&1 +// RUN: %env_asan_opts=strict_string_checks=true not %run %t h 2>&1 | FileCheck %s +// RUN: %env_asan_opts=strict_string_checks=false %run %t i 2>&1 +// RUN: %env_asan_opts=strict_string_checks=true not %run %t i 2>&1 | FileCheck %s + +// XFAIL: win32 + +#include <assert.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <ctype.h> + +int main(int argc, char **argv) { + assert(argc >= 2); + const size_t size = 100; + char fill = 'o'; + char s1[size]; + char s2[size]; + memset(s1, fill, size); + memset(s2, fill, size); + + switch (argv[1][0]) { + case 'a': + s1[size - 1] = 'z'; + s2[size - 1] = 'x'; + for (int i = 0; i <= size; ++i) + assert((strncasecmp(s1, s2, i) == 0) == (i < size)); + s1[size - 1] = '\0'; + s2[size - 1] = '\0'; + assert(strncasecmp(s1, s2, 2*size) == 0); + break; + case 'b': + return strncasecmp(s1-1, s2, 1); + case 'c': + return strncasecmp(s1, s2-1, 1); + case 'd': + return strncasecmp(s1+size, s2, 1); + case 'e': + return strncasecmp(s1, s2+size, 1); + case 'f': + return strncasecmp(s1+1, s2, size); + case 'g': + return strncasecmp(s1, s2+1, size); + case 'h': + s1[size - 1] = '\0'; + assert(strncasecmp(s1, s2, 2*size) != 0); + break; + case 'i': + s2[size - 1] = '\0'; + assert(strncasecmp(s1, s2, 2*size) != 0); + break; + // CHECK: {{.*}}ERROR: AddressSanitizer: stack-buffer-{{ov|und}}erflow on address + } + return 0; +} |