split string and unicode string routines into these files.

these are *not* going to be added into the Makefile.in yet
so they still also exist in util.c.
(This used to be commit 3f5feda6749dace6bc51fb0e02b16d2b72a930b8)

1 files changed, 186 insertions, 0 deletions

diff --git a/source3/lib/util_unistr.c b/source3/lib/util_unistr.c
new file mode 100644
index 0000000000..2365090f24
--- /dev/null
+++ b/source3/lib/util_unistr.c
@@ -0,0 +1,186 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Samba utility functions
+   Copyright (C) Andrew Tridgell 1992-1998
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+/*******************************************************************
+write a string in unicoode format
+********************************************************************/
+int PutUniCode(char *dst,char *src)
+{
+  int ret = 0;
+  while (*src) {
+    dst[ret++] = src[0];
+    dst[ret++] = 0;    
+    src++;
+  }
+  dst[ret++]=0;
+  dst[ret++]=0;
+  return(ret);
+}
+
+/*******************************************************************
+skip past some unicode strings in a buffer
+********************************************************************/
+char *skip_unicode_string(char *buf,int n)
+{
+  while (n--)
+  {
+    while (*buf)
+      buf += 2;
+    buf += 2;
+  }
+  return(buf);
+}
+
+/*******************************************************************
+Return a ascii version of a unicode string
+Hack alert: uses fixed buffer(s) and only handles ascii strings
+********************************************************************/
+#define MAXUNI 1024
+char *unistrn2(uint16 *buf, int len)
+{
+	static char lbufs[8][MAXUNI];
+	static int nexti;
+	char *lbuf = lbufs[nexti];
+	char *p;
+
+	nexti = (nexti+1)%8;
+
+	for (p = lbuf; *buf && p-lbuf < MAXUNI-2 && len > 0; len--, p++, buf++)
+	{
+		*p = *buf;
+	}
+
+	*p = 0;
+	return lbuf;
+}
+
+static char lbufs[8][MAXUNI];
+static int nexti;
+/*******************************************************************
+Return a ascii version of a unicode string
+Hack alert: uses fixed buffer(s) and only handles ascii strings
+********************************************************************/
+#define MAXUNI 1024
+char *unistr2(uint16 *buf)
+{
+	char *lbuf = lbufs[nexti];
+	char *p;
+
+	nexti = (nexti+1)%8;
+
+	for (p = lbuf; *buf && p-lbuf < MAXUNI-2; p++, buf++)
+	{
+		*p = *buf;
+	}
+
+	*p = 0;
+	return lbuf;
+}
+
+/*******************************************************************
+Return a ascii version of a unicode string
+********************************************************************/
+char *unistr2_to_str(UNISTR2 *str)
+{
+	char *lbuf = lbufs[nexti];
+	char *p;
+	uint16 *buf = str->buffer;
+	int max_size = MIN(sizeof(str->buffer)-2, str->uni_str_len);
+
+	nexti = (nexti+1)%8;
+
+	for (p = lbuf; *buf && p-lbuf < max_size; p++, buf++)
+	{
+		*p = *buf;
+	}
+
+	*p = 0;
+	return lbuf;
+}
+
+/*******************************************************************
+create a null-terminated unicode string from a null-terminated ascii string.
+return number of unicode chars copied, excluding the null character.
+
+only handles ascii strings
+********************************************************************/
+#define MAXUNI 1024
+int struni2(uint16 *p, char *buf)
+{
+	int len = 0;
+
+	if (p == NULL) return 0;
+
+	if (buf != NULL)
+	{
+		for (; *buf && len < MAXUNI-2; len++, p++, buf++)
+		{
+			*p = *buf;
+		}
+	}
+
+	*p = 0;
+
+	return len;
+}
+
+/*******************************************************************
+Return a ascii version of a unicode string
+Hack alert: uses fixed buffer(s) and only handles ascii strings
+********************************************************************/
+#define MAXUNI 1024
+char *unistr(char *buf)
+{
+	char *lbuf = lbufs[nexti];
+	char *p;
+
+	nexti = (nexti+1)%8;
+
+	for (p = lbuf; *buf && p-lbuf < MAXUNI-2; p++, buf += 2)
+	{
+		*p = *buf;
+	}
+	*p = 0;
+	return lbuf;
+}
+
+
+/*******************************************************************
+strcpy for unicode strings.  returns length (in num of wide chars)
+********************************************************************/
+int unistrcpy(char *dst, char *src)
+{
+	int num_wchars = 0;
+
+	while (*src)
+	{
+		*dst++ = *src++;
+		*dst++ = *src++;
+		num_wchars++;
+	}
+	*dst++ = 0;
+	*dst++ = 0;
+
+	return num_wchars;
+}
+