From 75b95fa25df74fcd0498bf59e3524f20f594755d Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Fri, 22 Sep 2023 18:27:54 +0200
Subject: Add more __diagnose_as_builtin annotations

---
 include/stdlib.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'include/stdlib.h')

diff --git a/include/stdlib.h b/include/stdlib.h
index 734f0e6..d3cd863 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -43,6 +43,9 @@ extern "C" {
 __malloc(malloc (free, 1))
 __alloc_size(1)
 __warn_unused_result
+#if __has_builtin(__builtin_malloc)
+__diagnose_as_builtin(__builtin_malloc, 1)
+#endif
 _FORTIFY_FN(malloc) void *malloc(size_t __s)
 {
 	return __orig_malloc(__s);
@@ -50,6 +53,9 @@ _FORTIFY_FN(malloc) void *malloc(size_t __s)
 
 __alloc_size(2)
 __warn_unused_result
+#if __has_builtin(__builtin_realloc)
+__diagnose_as_builtin(__builtin_realloc, 1, 2)
+#endif
 _FORTIFY_FN(realloc) void *realloc(void *__p, size_t __s)
 {
 	return __orig_realloc(__p, __s);
@@ -57,6 +63,9 @@ _FORTIFY_FN(realloc) void *realloc(void *__p, size_t __s)
 
 __alloc_size(1, 2)
 __warn_unused_result
+#if __has_builtin(__builtin_calloc)
+__diagnose_as_builtin(__builtin_calloc, 1, 2)
+#endif
 _FORTIFY_FN(calloc) void *calloc(size_t __n, size_t __s)
 {
 	return __orig_calloc(__n, __s);
@@ -66,6 +75,9 @@ _FORTIFY_FN(calloc) void *calloc(size_t __n, size_t __s)
 #undef reallocarray
 __alloc_size (2, 3)
 __warn_unused_result
+#if __has_builtin(__builtin_reallocarray)
+__diagnose_as_builtin(__builtin_reallocarray, 1, 2, 3)
+#endif
 _FORTIFY_FN(reallocarray) void* reallocarray(void* __p, size_t __n, size_t __s)
 {
 	return __orig_reallocarray(__p, __n, __s);
@@ -76,6 +88,9 @@ _FORTIFY_FN(reallocarray) void* reallocarray(void* __p, size_t __n, size_t __s)
 #if (defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)) && !defined(__clang__)
 #undef realpath
 __warning_if(__p == NULL, "'realpath' called with path set to `NULL`; did you invert the arguments?")
+#if __has_builtin(__builtin_realpath)
+__diagnose_as_builtin(__builtin_realpath, 1, 2)
+#endif
 _FORTIFY_FN(realpath) char *realpath(const char *__p, char *__r)
 {
 #ifndef PATH_MAX
-- 
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