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authorMattias Andrée <maandree@operamail.com>2015-10-18 01:42:14 +0200
committerMattias Andrée <maandree@operamail.com>2015-10-18 01:42:14 +0200
commit7c32232fa187a24520b957edeeb829fe8ab1a5be (patch)
tree724891b74cce94b8e68de77bfd1ba221cde8cc4f /include/malloc.h
parentm (diff)
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feature-test macros
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
-rw-r--r--include/malloc.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/malloc.h b/include/malloc.h
index c2a340b..9ef95a0 100644
--- a/include/malloc.h
+++ b/include/malloc.h
@@ -21,7 +21,11 @@
#include <slibc/features.h>
#ifndef _STDLIB_H
-# warning "Do not directly include <malloc.h>, include <stdlib.h> instead."
+# if defined(__PORTABLE)
+# error "Do not directly include <malloc.h>, include <stdlib.h> instead."
+# else
+# warning "Do not directly include <malloc.h>, include <stdlib.h> instead."
+# endif
#endif
@@ -145,7 +149,7 @@ void cfree(void*, ...)
#endif
-#if !defined(__PORTABLE)
+#if defined(__GNU_SOURCE) || defined(__SLIBC_SOURCE)
/**
* Variant of `malloc` that returns an address with a
* specified alignment.
@@ -176,6 +180,7 @@ void* memalign(size_t, size_t)
__GCC_ONLY(__attribute__((__malloc__, __warn_unused_result__)));
#endif
+#if (_POSIX_C_SOURCE >= 200112L) || (_XOPEN_SOURCE >= 600)
/**
* `posix_memalign(p, b, n)` is equivalent to
* `(*p = memalign(b, n), *p ? 0 : errno)`, except
@@ -195,8 +200,9 @@ void* memalign(size_t, size_t)
*/
int posix_memalign(void**, size_t, size_t)
__GCC_ONLY(__attribute__((__nonnull__)));
+#endif
-#if !defined(__PORTABLE)
+#if defined(_BSD_SOURCE) || defined(_XOPEN_SOURCE_EXTENDED) || defined(__SLIBC_SOURCE)
/**
* `valloc(n)` is equivalent to `memalign(sysconf(_SC_PAGESIZE), n)`.
*