From b5d5cebc2b4218ca2c04c52546849df7625a53a0 Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Wed, 6 Dec 2023 21:45:57 +0100
Subject: Add qsort

---
 include/stdlib.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'include')

diff --git a/include/stdlib.h b/include/stdlib.h
index 5d89c9c..4a5cfde 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -37,6 +37,23 @@ __extension__
 extern "C" {
 #endif
 
+#undef qsort
+#if __has_builtin(__builtin_qsort)
+__diagnose_as_builtin(__builtin_qsort, 1, 2, 3, 4)
+#endif
+__access(read_write, 1)
+_FORTIFY_FN(qsort) void qsort(void * _FORTIFY_POS0 base, size_t nmemb, size_t size,
+	int (*compar)(const void *, const void *))
+{
+	size_t __b = __bos(base, 0);
+
+	if (__bmo(nmemb, size))
+		__builtin_trap();
+	if (nmemb * size> __b)
+		__builtin_trap();
+
+	return __orig_qsort(base, nmemb, size, compar);
+}
 
 /* FIXME clang */
 #if !defined(__clang__)
-- 
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