1 files changed, 153 insertions, 0 deletions
diff --git a/hw/xwin/winclipboardtextconv.c b/hw/xwin/winclipboardtextconv.c
new file mode 100644
index 000000000..f97681c5f
--- /dev/null
+++ b/hw/xwin/winclipboardtextconv.c
@@ -0,0 +1,153 @@
+/*
+ *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
+ *
+ *Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ *"Software"), to deal in the Software without restriction, including
+ *without limitation the rights to use, copy, modify, merge, publish,
+ *distribute, sublicense, and/or sell copies of the Software, and to
+ *permit persons to whom the Software is furnished to do so, subject to
+ *the following conditions:
+ *
+ *The above copyright notice and this permission notice shall be
+ *included in all copies or substantial portions of the Software.
+ *
+ *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
+ *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ *Except as contained in this notice, the name of the XFree86 Project
+ *shall not be used in advertising or otherwise to promote the sale, use
+ *or other dealings in this Software without prior written authorization
+ *from the XFree86 Project.
+ *
+ * Authors:	Harold L Hunt II
+ */
+/* $XFree86: xc/programs/Xserver/hw/xwin/winclipboardtextconv.c,v 1.1 2003/02/12 15:01:38 alanh Exp $ */
+
+#include "win.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+
+/*
+ * Convert \r\n to \n
+ *
+ * NOTE: This was heavily inspired by, if not down right stolen from,
+ *       Cygwin's winsup/cygwin/fhandler.cc/fhandler_base::read ()
+ */
+
+void
+winClipboardDOStoUNIX (char *pszSrc, int iLength)
+{
+  char			*pszDest = pszSrc;
+  char			*pszEnd = pszSrc + iLength;
+
+  /* Loop until the last character */
+  while (pszSrc < pszEnd)
+    {
+      /* Copy the current source character to current destination character */
+      *pszDest = *pszSrc;
+
+      /* Advance to the next source character */
+      pszSrc++;
+
+      /* Don't advance the destination character if we need to drop an \r */
+      if (*pszDest != '\r' || *pszSrc != '\n')
+	pszDest++;
+    }
+
+  /* Move the terminating null */
+  *pszDest = '\0';
+}
+
+
+/*
+ * Convert \n to \r\n
+ */
+
+void
+winClipboardUNIXtoDOS (unsigned char **ppszData, int iLength)
+{
+  int			iNewlineCount = 0;
+  unsigned char		*pszSrc = *ppszData;
+  unsigned char		*pszEnd = pszSrc + iLength;
+  unsigned char		*pszDest = NULL, *pszDestBegin = NULL;
+
+#if 0
+  ErrorF ("UNIXtoDOS () - Original data:\n%s\n", *ppszData);
+#endif
+
+  /* Count \n characters without leading \r */
+  while (pszSrc < pszEnd)
+    {
+      /* Skip ahead two character if found set of \r\n */
+      if (*pszSrc == '\r' && pszSrc + 1 < pszEnd && *(pszSrc + 1) == '\n')
+	{
+	  pszSrc += 2;
+	  continue;
+	} 
+
+      /* Increment the count if found naked \n */
+      if (*pszSrc == '\n')
+	{
+	  iNewlineCount++;
+	}
+
+      pszSrc++;
+    }
+  
+  /* Return if no naked \n's */
+  if (iNewlineCount == 0)
+    return;
+
+  /* Allocate a new string */
+  pszDestBegin = pszDest = malloc (iLength + iNewlineCount + 1);
+
+  /* Set source pointer to beginning of data string */
+  pszSrc = *ppszData;
+
+  /* Loop through all characters in source string */
+  while (pszSrc < pszEnd)
+    {
+      /* Copy line endings that are already valid */
+      if (*pszSrc == '\r' && pszSrc + 1 < pszEnd && *(pszSrc + 1) == '\n')
+	{
+	  *pszDest = *pszSrc;
+	  *(pszDest + 1) = *(pszSrc + 1);
+	  pszDest += 2;
+	  pszSrc += 2;
+	  continue;
+	}
+
+      /* Add \r to naked \n's */
+      if (*pszSrc == '\n')
+	{
+	  *pszDest = '\r';
+	  *(pszDest + 1) = *pszSrc;
+	  pszDest += 2;
+	  pszSrc += 1;
+	  continue;
+	}
+
+      /* Copy normal characters */
+      *pszDest = *pszSrc;
+      pszSrc++;
+      pszDest++;
+    }
+
+  /* Put terminating null at end of new string */
+  *pszDest = '\0';
+
+  /* Swap string pointers */
+  free (*ppszData);
+  *ppszData = pszDestBegin;
+
+#if 0
+  ErrorF ("UNIXtoDOS () - Final string:\n%s\n", pszDestBegin);
+#endif
+}