Move C/C++ sources to src subdirectory

src/malloc_or_die.h

@@ -0,0 +1,51 @@
+// Copyright (c) Vitaliy Filippov, 2019+
+// License: VNPL-1.1 or GNU GPL-2.0+ (see README.md for details)
+
+#pragma once
+
+#include <malloc.h>
+#include <stdlib.h>
+
+inline void* memalign_or_die(size_t alignment, size_t size)
+{
+    void *buf = memalign(alignment, size);
+    if (!buf)
+    {
+        printf("Failed to allocate %lu bytes\n", size);
+        exit(1);
+    }
+    return buf;
+}
+
+inline void* malloc_or_die(size_t size)
+{
+    void *buf = malloc(size);
+    if (!buf)
+    {
+        printf("Failed to allocate %lu bytes\n", size);
+        exit(1);
+    }
+    return buf;
+}
+
+inline void* realloc_or_die(void *ptr, size_t size)
+{
+    void *buf = realloc(ptr, size);
+    if (!buf)
+    {
+        printf("Failed to allocate %lu bytes\n", size);
+        exit(1);
+    }
+    return buf;
+}
+
+inline void* calloc_or_die(size_t nmemb, size_t size)
+{
+    void *buf = calloc(nmemb, size);
+    if (!buf)
+    {
+        printf("Failed to allocate %lu bytes\n", size * nmemb);
+        exit(1);
+    }
+    return buf;
+}