1 files changed, 71 insertions, 0 deletions
diff --git a/source3/include/pstring.h b/source3/include/pstring.h
new file mode 100644
index 0000000000..97ad5c9397
--- /dev/null
+++ b/source3/include/pstring.h
@@ -0,0 +1,71 @@
+/* 
+   samba -- Unix SMB/Netbios implementation.
+   Safe standardized string types
+   
+   Copyright (C) Andrew Tridgell              1992-2000
+   Copyright (C) John H Terpstra              1996-2000
+   Copyright (C) Luke Kenneth Casson Leighton 1996-2000
+   Copyright (C) Paul Ashton                  1998-2000
+   Copyright (C) Martin Pool		      2002
+   
+   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.
+*/
+
+#ifndef _PSTRING
+
+#define PSTRING_LEN 1024
+#define FSTRING_LEN 256
+
+#ifdef PSTRING_SANCTIFY
+
+/* If you define this, pstring and fstring become distinguished types,
+ * so that it's harder to accidentally overflow them by for example
+ * passing an fstring on the lhs of pstrcpy.
+ *
+ * To pass them to non-pstring-aware functions, use PSTR and check
+ * that the function takes a const.  They should almost never be
+ * modified except by special calls.  In those unusual cases, use
+ * PSTR_MUTABLE.
+ *
+ * This is off by default so as not to produce too many warnings.  As
+ * the code is vetted it can become the default. */
+
+typedef union { char pstring_contents[PSTRING_LEN]; } pstring[1];
+typedef union { char fstring_contents[FSTRING_LEN]; } fstring[1];
+
+#  define PSTR(p) ((const char *) ((p)->pstring_contents))
+#  define FSTR(f) ((const char *) ((f)->fstring_contents))
+
+/* Please use the const functions instead if possible. */
+#  define PSTR_MUTABLE(p) (((p)->pstring_contents))
+#  define FSTR_MUTABLE(f) (((f)->fstring_contents))
+
+#else /* ndef PSTRING_SANCTIFY */
+
+/* Old interface. */
+
+typedef char pstring[PSTRING_LEN];
+typedef char fstring[FSTRING_LEN];
+
+#define PSTR(p) ((const char *) p)
+#define FSTR(f) ((const char *) f)
+#define PSTR_MUTABLE(p) (p)
+#define FSTR_MUTABLE(f) (f)
+
+#endif /* ndef PSTRING_SANCTIFY */
+
+#define _PSTRING
+
+#endif /* ndef _PSTRING */