X-Git-Url: https://git.hcoop.net/hcoop/debian/courier-authlib.git/blobdiff_plain/ac40fd9eb9d1980c90dc009d526a23ead1ec0f76..8d138742ae268344f406cb75d79aa6bf853f9d87:/unicode/windows874u.c?ds=sidebyside

diff --git a/unicode/windows874u.c b/unicode/windows874u.c
new file mode 100644
index 0000000..9a78430
--- /dev/null
+++ b/unicode/windows874u.c
@@ -0,0 +1,64 @@
+/*
+** Copyright 2001-2003 Double Precision, Inc.
+** See COPYING for distribution information.
+**
+** $Id: windows874u.c,v 1.2 2003/03/07 00:47:31 mrsam Exp $
+*/
+
+#include	"unicode_config.h"
+#include	"unicode.h"
+#include	<string.h>
+#include	<stdlib.h>
+
+char *unicode_windows874_u2c(const unicode_char *uc, int *errflag,
+	const unicode_char *tab)
+{
+size_t l;
+char *p;
+
+	for (l=0; uc[l]; l++)
+		;
+
+	if (errflag)	*errflag= -1;
+	p=malloc(l+1);
+	if (!p)
+		return (0);
+
+	for (l=0; uc[l]; l++)
+	{
+		int c;
+		unicode_char ucc=uc[l];
+
+		/* First, guess */
+
+		if ((ucc & 0x7F) == ucc)
+			c=(unsigned char)ucc;
+		else if (tab[ ucc & 0x7F ] == ucc)
+			c=(int)(ucc & 0x7F) | 0x80;
+		else if (ucc > 0x0E00 && ucc < 0x0E60 &&
+			 tab[ (ucc + 0x20) & 0x7F] == ucc)
+			c=(int)( (ucc + 0x20) & 0x7F) | 0x80;
+		else
+		{
+			for (c=0; c<128; c++)
+				if (tab[c] == uc[l])
+					break;
+			if (c >= 128)
+			{
+				if (errflag)
+				{
+					*errflag=l;
+					free(p);
+					return (0);
+				}
+				c=uc[l];
+			}
+			c |= 0x80;
+		}
+		if (c == 0)
+			c=255;
+		p[l]=(char)c;
+	}
+	p[l]=0;
+	return (p);
+}