From cc5ede68e7bb167f1634e01a4566f6ab65e37386 Mon Sep 17 00:00:00 2001
From: dwarning <dwarning>
Date: Fri, 26 Mar 2010 18:42:42 +0000
Subject: [PATCH] Bill Swartz patch

---
 src/include/dstring.h | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/include/dstring.h

diff --git a/src/include/dstring.h b/src/include/dstring.h
new file mode 100644
index 000000000..bea92ebfe
--- /dev/null
+++ b/src/include/dstring.h
@@ -0,0 +1,40 @@
+/*   dstring.h    */
+
+#ifndef DSTRING_H
+#define DSTRING_H
+
+#define EOS  '\0'
+/* -----------------------------------------------------------------
+ * This structure is modified from Tcl.   We do this to avoid a
+ * conflict and later add a conditional compile to just use the Tcl
+ * code if desired.
+----------------------------------------------------------------- */
+#define SPICE_DSTRING_STATIC_SIZE 200
+typedef struct spice_dstring {
+  char *string ;               /* Points to beginning of string:  either
+			        * staticSpace below or a malloced array. */
+  int length ;                 /* Number of non-NULL characters in the
+				* string. */
+  int spaceAvl ;               /* Total number of bytes available for the
+			        * string and its terminating NULL char. */
+  char staticSpace[SPICE_DSTRING_STATIC_SIZE] ;
+			       /* Space to use in common case where string
+				* is small. */
+} SPICE_DSTRING, *SPICE_DSTRINGPTR ;
+
+/* -----------------------------------------------------------------
+ * spice_dstring_xxxx routines.  Used to manipulate dynamic strings.
+----------------------------------------------------------------- */
+extern void spice_dstring_init(SPICE_DSTRINGPTR dsPtr) ;
+extern char *spice_dstring_append(SPICE_DSTRINGPTR dsPtr,char *string,int length) ;
+extern char *spice_dstring_append_char(SPICE_DSTRINGPTR dsPtr,char c) ;
+extern char *spice_dstring_print(SPICE_DSTRINGPTR dsPtr,char *format, ... ) ;
+extern char *spice_dstring_setlength(SPICE_DSTRINGPTR dsPtr,int length) ;
+extern char *_spice_dstring_setlength(SPICE_DSTRINGPTR dsPtr,int length) ;
+extern void spice_dstring_free(SPICE_DSTRINGPTR dsPtr) ;
+#define spice_dstring_reinit(x_xz) spice_dstring_setlength(x_xz,0) ;
+#define spice_dstring_value(x_xz) ((x_xz)->string)
+#define spice_dstring_space(x_xz) ((x_xz)->spaceAvl)
+#define spice_dstring_length(x_xz) ((x_xz)->length)
+
+#endif /* DSTRING_H */