1 files changed, 64 insertions, 0 deletions
diff --git a/include/varstring.h b/include/varstring.h
new file mode 100644
index 0000000..0768e4b
--- /dev/null
+++ b/include/varstring.h
@@ -0,0 +1,64 @@
+/* varstring.h: variable-length strings.
+
+Copyright (C) 1992 Free Software Foundation, Inc.
+
+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, 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.  */
+
+#ifndef VARSTRING_H
+#define VARSTRING_H
+
+#include <kpathsea/types.h>
+
+
+
+/* Initialize a variable-length string.  */
+typedef struct
+{
+  unsigned allocated;
+  unsigned used;
+  string data;
+} variable_string;
+
+/* The data characters.  */
+#define VS_CHARS(vs) ((vs).data)
+
+/* This is the number of bytes allocated for the string.  */
+#define VS_ALLOCATED(vs) ((vs).allocated)
+
+/* This is the number of bytes used.  */
+#define VS_USED(vs) ((vs).used)
+
+
+/* Create a new structure, initializing the data to a null byte.  */
+extern variable_string vs_init (void);
+
+/* Free the string.  */
+extern void vs_free (variable_string *);
+
+
+/* Put NEW_CHAR at position POS in S.  POS may be beyond the current
+   length of S.  You are responsible for putting a null at the end of
+   the string when you are done constructing it, if you want one.  */
+extern void vs_set_char (variable_string *s, unsigned pos, char new_char);
+
+/* Put NEW_CHAR at the end of V.  As with `vs_set_char', no null is
+   appended.  */
+extern void vs_append_char (variable_string *v, char new_char);
+
+/* Return concatenation of VS1 and VS2 in a new variable string.  */
+extern variable_string vs_concat (variable_string vs1, variable_string vs2);
+
+#endif /* not VARSTRING_H */
+