Bu::FString now has the functions format, formatAppend, and formatPrepend, all

of which use printf style formatting and accept the same parameters as printf.

1 files changed, 44 insertions, 0 deletions

diff --git a/src/fstring.h b/src/fstring.h
index de34cb0..2a18362 100644
--- a/src/fstring.h
+++ b/src/fstring.h
@@ -681,6 +681,50 @@ namespace Bu
                         appendChunk( pNew );
                 }
 
+                void format( const char *sFrmt, ...)
+                {
+                        clear();
+
+                        va_list ap;
+                        va_start( ap, sFrmt );
+
+                        long iLen = vsnprintf( NULL, 0, sFrmt, ap );
+                        
+                        Chunk *pNew = newChunk( iLen );
+                        vsnprintf( pNew->pData, iLen+1, sFrmt, ap );
+                        appendChunk( pNew );
+
+                        va_end( ap );
+                }
+
+                void formatAppend( const char *sFrmt, ...)
+                {
+                        va_list ap;
+                        va_start( ap, sFrmt );
+
+                        long iLen = vsnprintf( NULL, 0, sFrmt, ap );
+                        
+                        Chunk *pNew = newChunk( iLen );
+                        vsnprintf( pNew->pData, iLen+1, sFrmt, ap );
+                        appendChunk( pNew );
+
+                        va_end( ap );
+                }
+
+                void formatPrepend( const char *sFrmt, ...)
+                {
+                        va_list ap;
+                        va_start( ap, sFrmt );
+
+                        long iLen = vsnprintf( NULL, 0, sFrmt, ap );
+                        
+                        Chunk *pNew = newChunk( iLen );
+                        vsnprintf( pNew->pData, iLen+1, sFrmt, ap );
+                        prependChunk( pNew );
+
+                        va_end( ap );
+                }
+
                 /**
                  * Function the archiver calls to archive your FString.
                  *@param ar (Archive) The archive which is archiving your FString.