Minor performance tweaks

darcs-hash:20051102154159-ac50b-9a32fb6cc654c593048840ebd9f6abb97c2e0bb8.gz

1 files changed, 8 insertions, 2 deletions

diff --git a/wutil.c b/wutil.c
index 560ded68..897aef41 100644
--- a/wutil.c
+++ b/wutil.c
@@ -22,6 +22,8 @@
 #include "common.h"
 #include "wutil.h"
 
+#define TMP_LEN_MIN 256
+
 /**
    Buffer for converting wide arguments to narrow arguments, used by
    the \c wutil_wcs2str() function.
@@ -37,6 +39,10 @@ static size_t tmp_len=0;
 */
 static int wutil_calls = 0;
 
+void wutil_init()
+{
+}
+
 void wutil_destroy()
 {
 	free( tmp );
@@ -57,8 +63,8 @@ static char *wutil_wcs2str( const wchar_t *in )
 	size_t new_sz =MAX_UTF8_BYTES*wcslen(in)+1;
 	if( tmp_len < new_sz )
 	{
-		free( tmp );
-		tmp = malloc( new_sz );
+		new_sz = maxi( new_sz, TMP_LEN_MIN );
+		tmp = realloc( tmp, new_sz );
 		if( !tmp )
 		{
 			die_mem();