6437624 RFE: Add ksh93 (as /usr/bin/ksh93) and libshell.so to OS/Net

6505835 AST tools and library (libpp) required for creating l10n messages for ksh93
PSARC/2006/550 Korn Shell 93 Integration
PSARC/2006/587 /etc/ksh.kshrc for ksh93
PSARC/2007/035 ksh93 Amendments
Contributed by Roland Mainz <roland.mainz@nrubsig.org>

--HG--
rename : usr/src/lib/libcmd/common/mapfile-vers => deleted_files/usr/src/lib/libcmd/common/mapfile-vers
rename : usr/src/lib/libcmd/common/placeholder.c => deleted_files/usr/src/lib/libcmd/common/placeholder.c

1 files changed, 66 insertions, 0 deletions

diff --git a/usr/src/lib/libast/common/string/strnacmp.c b/usr/src/lib/libast/common/string/strnacmp.c
new file mode 100644
index 0000000000..a77d33074e
--- /dev/null
+++ b/usr/src/lib/libast/common/string/strnacmp.c
@@ -0,0 +1,66 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*           Copyright (c) 1985-2007 AT&T Knowledge Ventures            *
+*                      and is licensed under the                       *
+*                  Common Public License, Version 1.0                  *
+*                      by AT&T Knowledge Ventures                      *
+*                                                                      *
+*                A copy of the License is available at                 *
+*            http://www.opensource.org/licenses/cpl1.0.txt             *
+*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
+*                                                                      *
+*              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
+
+/*
+ * ccmapc(c, CC_NATIVE, CC_ASCII) and strncmp
+ */
+
+#include <ast.h>
+#include <ccode.h>
+
+#if _lib_strnacmp
+
+NoN(strnacmp)
+
+#else
+
+#include <ctype.h>
+
+int
+strnacmp(const char* a, const char* b, size_t n)
+{
+#if CC_NATIVE == CC_ASCII
+	return strncmp(a, b, n);
+#else
+	register unsigned char*	ua = (unsigned char*)a;
+	register unsigned char*	ub = (unsigned char*)b;
+	register unsigned char*	ue;
+	register unsigned char*	m;
+	register int		c;
+	register int		d;
+
+	m = ccmap(CC_NATIVE, CC_ASCII);
+	ue = ua + n;
+	while (ua < ue)
+	{
+		c = m[*ua++];
+		if (d = c - m[*ub++])
+			return d;
+		if (!c)
+			return 0;
+	}
+	return 0;
+#endif
+}
+
+#endif