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Select the default integrity check type at runtime.
Previously it was set statically to CRC64 or CRC32 depending on options passed to the configure script.
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96a4f840e3
commit
34eb5e201d
1 changed files with 14 additions and 5 deletions
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@ -56,17 +56,17 @@ static bool preset_default = true;
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static bool preset_extreme = false;
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/// Integrity check type
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#ifdef HAVE_CHECK_CRC64
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static lzma_check check = LZMA_CHECK_CRC64;
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#else
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static lzma_check check = LZMA_CHECK_CRC32;
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#endif
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static lzma_check check;
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/// This becomes false if the --check=CHECK option is used.
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static bool check_default = true;
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extern void
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coder_set_check(lzma_check new_check)
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{
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check = new_check;
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check_default = false;
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return;
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}
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@ -265,6 +265,15 @@ coder_set_compression_settings(void)
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opt_threads = thread_limit;
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*/
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if (check_default) {
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// The default check type is CRC64, but fallback to CRC32
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// if CRC64 isn't supported by the copy of liblzma we are
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// using. CRC32 is always supported.
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check = LZMA_CHECK_CRC64;
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if (!lzma_check_is_supported(check))
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check = LZMA_CHECK_CRC32;
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}
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return;
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}
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