include libslang-1.4.9 and automatically build it and link erlang-slang against it

few (erlang) people will still have libslang-1.4.9 installed or spend time
to get it to link against the driver

1 files changed, 39 insertions, 0 deletions

diff --git a/libslang/src/slmemset.c b/libslang/src/slmemset.c
new file mode 100644
index 0000000..96cd2f1
--- /dev/null
+++ b/libslang/src/slmemset.c
@@ -0,0 +1,39 @@
+/* Copyright (c) 1992, 1999, 2001, 2002, 2003 John E. Davis
+ * This file is part of the S-Lang library.
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Perl Artistic License.
+ */
+
+/* These routines are fast memcpy, memset routines.  When available, I
+   use system rouines.  For msdos, I use inline assembly. */
+
+/* The current versions only work in the forward direction only!! */
+
+#include "slinclud.h"
+
+#include "slang.h"
+#include "_slang.h"
+
+void SLmemset(char *p, char space, int n)
+{
+#if defined(__BORLANDC__) && defined(__MSDOS__)
+   asm mov al, space
+   asm mov dx, di
+   asm mov cx, n
+   asm les di, p
+   asm cld
+   asm rep stosb
+   asm mov di, dx
+#else
+   register char *pmax;
+
+   pmax = p + (n - 4);
+   n = n % 4;
+   while (p <= pmax)
+     {
+	*p++ = space; *p++ = space; *p++ = space; *p++= space;
+     }
+   while (n--) *p++ = space;
+#endif
+}