Imported Upstream version 93u+upstream

1 files changed, 62 insertions, 0 deletions

diff --git a/src/lib/libast/string/stracmp.c b/src/lib/libast/string/stracmp.c
new file mode 100644
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--- /dev/null
+++ b/src/lib/libast/string/stracmp.c
@@ -0,0 +1,62 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+
+/*
+ * ccmapchr(ccmap(CC_NATIVE,CC_ASCII),c) and strcmp
+ */
+
+#include <ast.h>
+#include <ccode.h>
+
+#if _lib_stracmp
+
+NoN(stracmp)
+
+#else
+
+#include <ctype.h>
+
+int
+stracmp(const char* aa, const char* ab)
+{
+	register unsigned char*	a;
+	register unsigned char*	b;
+	register unsigned char*	m;
+	register int		c;
+	register int		d;
+
+	if (!(m = ccmap(CC_NATIVE, CC_ASCII)))
+		return strcmp(aa, ab);
+	a = (unsigned char*)aa;
+	b = (unsigned char*)ab;
+	for (;;)
+	{
+		c = m[*a++];
+		if (d = c - m[*b++])
+			return d;
+		if (!c)
+			return 0;
+	}
+}
+
+#endif