Added cString::Truncate()

HISTORY

@@ -5540,3 +5540,4 @@ Video Disk Recorder Revision History
   no menu open it will show the info of the current broadcast or replay.
 - cTimeMs now uses the monotonic clock, if available (thanks to Petri Hintukainen).
 - Fixed cVector::Clear() and cStringList::Clear().
+- Added cString::Truncate().

tools.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: tools.c 1.139 2008/01/01 15:10:07 kls Exp $
+ * $Id: tools.c 1.140 2008/01/13 11:26:30 kls Exp $
  */
 
 #include "tools.h"
@@ -873,6 +873,16 @@ cString &cString::operator=(const cString &String)
   return *this;
 }
 
+cString &cString::Truncate(int Index)
+{
+  int l = strlen(s);
+  if (Index < 0)
+     Index = l + Index;
+  if (Index >= 0 && Index < l)
+     s[Index] = 0;
+  return *this;
+}
+
 cString cString::sprintf(const char *fmt, ...)
 {
   va_list ap;

tools.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: tools.h 1.109 2008/01/01 15:09:25 kls Exp $
+ * $Id: tools.h 1.110 2008/01/13 11:22:26 kls Exp $
  */
 
 #ifndef __TOOLS_H
@@ -159,6 +159,7 @@ public:
   operator const char * () const { return s; } // for use in (const char *) context
   const char * operator*() const { return s; } // for use in (const void *) context (printf() etc.)
   cString &operator=(const cString &String);
+  cString &Truncate(int Index); ///< Truncate the string at the given Index (if Index is < 0 it is counted from the end of the string).
   static cString sprintf(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
   };