diff options
Diffstat (limited to 'src/liblzma/check/crc32_arm64.h')
| -rw-r--r-- | src/liblzma/check/crc32_arm64.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/liblzma/check/crc32_arm64.h b/src/liblzma/check/crc32_arm64.h index 68e7fcdd..39c1c63e 100644 --- a/src/liblzma/check/crc32_arm64.h +++ b/src/liblzma/check/crc32_arm64.h @@ -101,10 +101,11 @@ is_arch_extension_supported(void) // CPU feature it tests. The Apple documentation lists the string // "hw.optional.armv8_crc32", which can be found here: // https://developer.apple.com/documentation/kernel/1387446-sysctlbyname/determining_instruction_set_characteristics#3915619 - int err = sysctlbyname("hw.optional.armv8_crc32", &has_crc32, - &size, NULL, 0); + if (sysctlbyname("hw.optional.armv8_crc32", &has_crc32, + &size, NULL, 0) != 0) + return false; - return !err && has_crc32; + return has_crc32; #else // If a runtime detection method cannot be found, then this must |