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author | Steve Dower <steve.dower@microsoft.com> | 2017-02-04 15:05:50 -0800 |
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committer | Steve Dower <steve.dower@microsoft.com> | 2017-02-04 15:05:50 -0800 |
commit | 3b0e4320092ac0504b6670cafaf0301b908c91fc (patch) | |
tree | d3be1b6b844d61763bb366fa21ceed475e5703fd /Modules/_ctypes/libffi/testsuite/libffi.call/float1.c | |
parent | b2fa705fd3887c326e811c418469c784353027f4 (diff) | |
parent | f687fbcd73c14dfcbe086eb5cd94b298f1e81e72 (diff) | |
download | cpython-3b0e4320092ac0504b6670cafaf0301b908c91fc.tar.gz |
Issue #29392: Prevent crash when passing invalid arguments into msvcrt module.
Diffstat (limited to 'Modules/_ctypes/libffi/testsuite/libffi.call/float1.c')
-rw-r--r-- | Modules/_ctypes/libffi/testsuite/libffi.call/float1.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/Modules/_ctypes/libffi/testsuite/libffi.call/float1.c b/Modules/_ctypes/libffi/testsuite/libffi.call/float1.c deleted file mode 100644 index 991d059fe4..0000000000 --- a/Modules/_ctypes/libffi/testsuite/libffi.call/float1.c +++ /dev/null @@ -1,58 +0,0 @@ -/* Area: ffi_call - Purpose: Check return value double. - Limitations: none. - PR: none. - Originator: From the original ffitest.c */ - -/* { dg-do run } */ -#include "ffitest.h" -#include "float.h" - -typedef union -{ - double d; - unsigned char c[sizeof (double)]; -} value_type; - -#define CANARY 0xba - -static double dblit(float f) -{ - return f/3.0; -} - -int main (void) -{ - ffi_cif cif; - ffi_type *args[MAX_ARGS]; - void *values[MAX_ARGS]; - float f; - value_type result[2]; - unsigned int i; - - args[0] = &ffi_type_float; - values[0] = &f; - - /* Initialize the cif */ - CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, - &ffi_type_double, args) == FFI_OK); - - f = 3.14159; - - /* Put a canary in the return array. This is a regression test for - a buffer overrun. */ - memset(result[1].c, CANARY, sizeof (double)); - - ffi_call(&cif, FFI_FN(dblit), &result[0].d, values); - - /* These are not always the same!! Check for a reasonable delta */ - - CHECK(result[0].d - dblit(f) < DBL_EPSILON); - - /* Check the canary. */ - for (i = 0; i < sizeof (double); ++i) - CHECK(result[1].c[i] == CANARY); - - exit(0); - -} |