[libc-commits] [libc] 65c7893 - [libc] Support LIBC_COPT_USE_C_ASSERT build flag

[Roland McGrath via libc-commits]

Author: Roland McGrath
Date: 2023-05-25T14:10:33-07:00
New Revision: 65c78933ae22a9a26b56ed763f5827765ce7eadf

URL: https://github.com/llvm/llvm-project/commit/65c78933ae22a9a26b56ed763f5827765ce7eadf
DIFF: https://github.com/llvm/llvm-project/commit/65c78933ae22a9a26b56ed763f5827765ce7eadf.diff

LOG: [libc] Support LIBC_COPT_USE_C_ASSERT build flag

In this mode, LIBC_ASSERT is just standard C assert.

Reviewed By: abrachet

Differential Revision: https://reviews.llvm.org/D151498

Added: 
    

Modified: 
    libc/src/__support/libc_assert.h

Removed: 
    


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diff  --git a/libc/src/__support/libc_assert.h b/libc/src/__support/libc_assert.h
index d8a1d5fe7678..3aa74ec748fc 100644
--- a/libc/src/__support/libc_assert.h
+++ b/libc/src/__support/libc_assert.h
@@ -9,6 +9,17 @@
 #ifndef LLVM_LIBC_SRC_SUPPORT_LIBC_ASSERT_H
 #define LLVM_LIBC_SRC_SUPPORT_LIBC_ASSERT_H
 
+#ifdef LIBC_COPT_USE_C_ASSERT
+
+// The build is configured to just use the public <assert.h> API
+// for libc's internal assertions.
+
+#include <assert.h>
+
+#define LIBC_ASSERT(COND) assert(COND)
+
+#else // Not LIBC_COPT_USE_C_ASSERT
+
 #include "src/__support/OSUtil/io.h"
 #include "src/__support/OSUtil/quick_exit.h"
 #include "src/__support/integer_to_string.h"
@@ -58,4 +69,6 @@ LIBC_INLINE void report_assertion_failure(const char *assertion,
   } while (false)
 #endif // NDEBUG
 
+#endif // LIBC_COPT_USE_C_ASSERT
+
 #endif // LLVM_LIBC_SRC_SUPPORT_LIBC_ASSERT_H