More robust platform definition support.

The idea is that someday it will be possible to just concatenate the entire
set of source files into a single giant source file, for systems that
want to work this way.  As a result, the build system now compiles every
file, although some of them will not have any definitions.

1 files changed, 53 insertions, 0 deletions

diff --git a/src/platform/posix/posix_alloc.c b/src/platform/posix/posix_alloc.c
new file mode 100644
index 00000000..b47a95b2
--- /dev/null
+++ b/src/platform/posix/posix_alloc.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2016 Garrett D'Amore <garrett@damore.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/*
+ * This is more of a direct #include of a .c rather than .h file.
+ * But having it be a .h makes compiler rules work out properly.  Do
+ * not include this more than once into your program, or you will
+ * get multiple symbols defined.
+ */
+
+#include "core/nng_impl.h"
+
+#ifdef PLATFORM_POSIX_ALLOC
+
+#include <stdlib.h>
+
+/*
+ * POSIX memory allocation.  This is pretty much standard C.
+ */
+
+void *
+nni_alloc(size_t size)
+{
+	return (malloc(size));
+}
+
+void
+nni_free(void *ptr, size_t size)
+{
+	NNI_ARG_UNUSED(size);
+	free(ptr);
+}
+
+#endif
\ No newline at end of file