From 9bff7c133e73ecfb200614d7a7d386a164a1a61f Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 25 Aug 2012 23:15:13 -0400
Subject: implement "low hanging fruit" from C11

based on Gregor's patch sent to the list. includes:
- stdalign.h
- removing gets in C11 mode
- adding aligned_alloc and adjusting other functions to use it
- adding 'x' flag to fopen for exclusive mode
---
 include/stdalign.h | 15 +++++++++++++++
 include/stdio.h    |  2 ++
 include/stdlib.h   |  1 +
 3 files changed, 18 insertions(+)
 create mode 100644 include/stdalign.h

(limited to 'include')

diff --git a/include/stdalign.h b/include/stdalign.h
new file mode 100644
index 00000000..b6e50aeb
--- /dev/null
+++ b/include/stdalign.h
@@ -0,0 +1,15 @@
+#ifndef _STDALIGN_H
+#define _STDALIGN_H
+
+/* this whole header only works in C11 or with compiler extensions */
+#if __STDC_VERSION__ < 201112L && defined( __GNUC__)
+#define _Alignas(t) __attribute__((__aligned__(t)))
+#define _Alignof(t) __alignof__(t)
+#endif
+
+#define alignas _Alignas
+#define alignof _Alignof
+#define __alignas_is_defined 1
+#define __alignof_is_defined 1
+
+#endif
diff --git a/include/stdio.h b/include/stdio.h
index 19ab8bcd..9aa2f782 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -90,7 +90,9 @@ int putc(int, FILE *);
 int putchar(int);
 
 char *fgets(char *, int, FILE *);
+#if __STDC_VERSION__ < 201112L
 char *gets(char *);
+#endif
 
 int fputs(const char *, FILE *);
 int puts(const char *);
diff --git a/include/stdlib.h b/include/stdlib.h
index c1d93e71..1749cb3b 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -38,6 +38,7 @@ void *malloc (size_t);
 void *calloc (size_t, size_t);
 void *realloc (void *, size_t);
 void free (void *);
+void *aligned_alloc(size_t alignment, size_t size);
 
 void abort (void);
 int atexit (void (*) (void));
-- 
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