diff options
| -rw-r--r-- | standalone/wrappers_c_checks.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/standalone/wrappers_c_checks.h b/standalone/wrappers_c_checks.h index ec9c1a104e8..815d40023b6 100644 --- a/standalone/wrappers_c_checks.h +++ b/standalone/wrappers_c_checks.h @@ -47,9 +47,12 @@ inline bool checkPosixMemalignAlignment(uptr Alignment) { // costly division. inline bool checkForCallocOverflow(uptr Size, uptr N, uptr *Product) { #if __has_builtin(__builtin_umull_overflow) && (SCUDO_WORDSIZE == 64U) - return __builtin_umull_overflow(Size, N, Product); + return __builtin_umull_overflow(Size, N, + reinterpret_cast<unsigned long *>(Product)); #elif __has_builtin(__builtin_umul_overflow) && (SCUDO_WORDSIZE == 32U) - return __builtin_umul_overflow(Size, N, Product); + // On, e.g. armv7, uptr/uintptr_t may be defined as unsigned long + return __builtin_umul_overflow(Size, N, + reinterpret_cast<unsigned int *>(Product)); #else *Product = Size * N; if (!Size) |