Infrastructure: Split the files into subdirectories.

[mLib] / utils / align.h

diff --git a/utils/align.h b/utils/align.h
new file mode 100644 (file)
index 0000000..196c8a2
--- /dev/null
+++ b/utils/align.h
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+/* -*-c-*-
+ *
+ * Pointer alignment hack
+ *
+ * (c) 2003 Straylight/Edgeware
+ */
+
+/*----- Licensing notice --------------------------------------------------*
+ *
+ * This file is part of the mLib utilities library.
+ *
+ * mLib is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * mLib is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with mLib; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+#ifndef MLIB_ALIGN_H
+#define MLIB_ALIGN_H
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+/*----- Data structures ---------------------------------------------------*/
+
+union align {
+  int i;
+  long l;
+  double d;
+  void *p;
+  void (*f)(void *);
+  struct notexist *s;
+};
+
+/*----- Macros provided ---------------------------------------------------*/
+
+#define ALIGN(sz) do {                                                 \
+  sz += sizeof(union align) - 1;                                       \
+  sz -= sz % sizeof(union align);                                      \
+} while (0)
+
+/*----- That's all, folks -------------------------------------------------*/
+
+#ifdef __cplusplus
+  }
+#endif
+
+#endif