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authorhpa <hpa>2004-12-20 23:19:36 +0000
committerhpa <hpa>2004-12-20 23:19:36 +0000
commitfc9d1511c2a841c529fe2e6855aaa4e34fef98f5 (patch)
treed99ee96ec57a8aaca52b2b01769826b1bad9aaf4 /com32/libutil/include
parent227b9fc57a0eb10fae0865d84c5ab88f9eab4f6a (diff)
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Initial work on simple menu system; add <minmax.h> to libutil
Diffstat (limited to 'com32/libutil/include')
-rw-r--r--com32/libutil/include/minmax.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/com32/libutil/include/minmax.h b/com32/libutil/include/minmax.h
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+++ b/com32/libutil/include/minmax.h
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+#ident "$Id$"
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2004 H. Peter Anvin - All Rights Reserved
+ *
+ * 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.
+ *
+ * ----------------------------------------------------------------------- */
+
+#ifndef _MINMAX_H
+#define _MINMAX_H
+
+/*
+ * minmax.h: Type-independent safe min/max macros
+ */
+
+#define min(x,y) ({ __typeof(x) xx = (x); \
+ __typeof(y) yy = (y); \
+ xx < yy ? xx : yy; })
+#define max(x,y) ({ __typeof(x) xx = (x); \
+ __typeof(y) yy = (y); \
+ xx > yy ? xx : yy; })
+
+#endif /* _MINMAX_H */
+