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liblzma: ARM64 CRC32: Change style of the macOS code to match FreeBSD 

I didn't test this but it shouldn't change any functionality.

Fixes: 761f5b69a4
(cherry picked from commit fc43cecd32)
This commit is contained in:
Lasse Collin 2024-04-10 22:04:27 +03:00
parent 32ceb2c36a
commit 9223ad6e78
1 changed files with 4 additions and 3 deletions
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7
src/liblzma/check/crc32_arm64.h
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@ -101,10 +101,11 @@ is_arch_extension_supported(void)
// CPU feature it tests. The Apple documentation lists the string // CPU feature it tests. The Apple documentation lists the string
// "hw.optional.armv8_crc32", which can be found here: // "hw.optional.armv8_crc32", which can be found here:
// https://developer.apple.com/documentation/kernel/1387446-sysctlbyname/determining_instruction_set_characteristics#3915619 // https://developer.apple.com/documentation/kernel/1387446-sysctlbyname/determining_instruction_set_characteristics#3915619
int err = sysctlbyname("hw.optional.armv8_crc32", &has_crc32, if (sysctlbyname("hw.optional.armv8_crc32", &has_crc32,
&size, NULL, 0); &size, NULL, 0) != 0)
return false;
return !err && has_crc32; return has_crc32;
#else #else
// If a runtime detection method cannot be found, then this must // If a runtime detection method cannot be found, then this must