system/musl: more POSIX

1 files changed, 38 insertions, 0 deletions

diff --git a/system/musl/0005-stdlib-Ensure-C11-fns-are-only-visible-in-C11.patch b/system/musl/0005-stdlib-Ensure-C11-fns-are-only-visible-in-C11.patch
new file mode 100644
index 000000000..53235e0dd
--- /dev/null
+++ b/system/musl/0005-stdlib-Ensure-C11-fns-are-only-visible-in-C11.patch
@@ -0,0 +1,38 @@
+From 36e0a4286937ccb25bc78392a679f496029765b0 Mon Sep 17 00:00:00 2001
+From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
+Date: Tue, 17 Apr 2018 20:54:59 -0500
+Subject: [PATCH 5/7] stdlib: Ensure C11 fns are only visible in C11
+
+aligned_alloc, at_quick_exit, and quick_exit are new in C11 and C++11.
+Only make these symbols visible in those versions, to avoid polluting
+the namespace of C99 and POSIX 2008 sources.
+---
+ include/stdlib.h | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/include/stdlib.h b/include/stdlib.h
+index d1f99fe1..4bbaded0 100644
+--- a/include/stdlib.h
++++ b/include/stdlib.h
+@@ -39,14 +39,18 @@ void *malloc (size_t);
+ void *calloc (size_t, size_t);
+ void *realloc (void *, size_t);
+ void free (void *);
++#if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L
+ void *aligned_alloc(size_t, size_t);
++#endif
+ 
+ _Noreturn void abort (void);
+ int atexit (void (*) (void));
+ _Noreturn void exit (int);
+ _Noreturn void _Exit (int);
++#if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L
+ int at_quick_exit (void (*) (void));
+ _Noreturn void quick_exit (int);
++#endif
+ 
+ char *getenv (const char *);
+ 
+-- 
+2.15.0
+