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Cleaner structure of is_asan_ check #419

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Merged
gaborcsardi merged 2 commits into from
May 4, 2026
Merged

Cleaner structure of is_asan_ check #419

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c5f9afe
Cleaner structure of is_asan_ check
MichaelChirico May 4, 2026
3acf606
fun with preprocessor syntax
MichaelChirico May 4, 2026
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11 changes: 6 additions & 5 deletions src/init.c
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Original file line number Diff line number Diff line change
Expand Up @@ -43,13 +43,14 @@ SEXP gcov_flush(void) {

SEXP is_asan_()
{
#if defined(__has_feature)
#if __has_feature(address_sanitizer) // for clang
#define __SANITIZE_ADDRESS__ // GCC already sets this
#endif

#ifndef __has_feature
#define __has_feature(x) 0
#endif

#ifdef __SANITIZE_ADDRESS__
#if defined(__SANITIZE_ADDRESS__)
return Rf_ScalarLogical(1);
#elif __has_feature(address_sanitizer) // for clang
return Rf_ScalarLogical(1);
#else
return Rf_ScalarLogical(0);
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