From cfd996fe5a1cd5591d3b9bb12128b1d8dcde8fb1 Mon Sep 17 00:00:00 2001
From: barant <barant@barant.com>
Date: Mon, 23 Dec 2024 13:00:22 -0800
Subject: [PATCH] cleanup for valgrind.

---
 File.h      |  2 +-
 ZString.cpp | 11 ++++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/File.h b/File.h
index fe8e471..86937c9 100644
--- a/File.h
+++ b/File.h
@@ -17,7 +17,7 @@ namespace coreutils {
 
     public:
       File(ZString fileName, int mode = O_RDONLY, int authority = 0664);
-      ~File();
+      virtual ~File();
       void setBufferSize(size_t size);
       int read();
       int readLine();
diff --git a/ZString.cpp b/ZString.cpp
index 4efef4c..acabe6e 100644
--- a/ZString.cpp
+++ b/ZString.cpp
@@ -66,10 +66,8 @@ namespace coreutils {
    }
 
    ZString::~ZString() {
-      if(cdata != NULL) {
-	 std::cout << "********" << cdata << "********" << strlen(cdata) << std::endl;	   
-	 free(cdata);
-      }      
+      if(cdata != NULL) 
+	free(cdata);      
    }
 
    bool ZString::operator<(const ZString &valuex) const {
@@ -234,7 +232,10 @@ namespace coreutils {
    }
 
    char* ZString::c_str() {
-      cdata = (char *)malloc(length + 1);
+      if(cdata == NULL)
+	cdata = (char *)malloc(length + 1);
+      else
+	cdata = (char *)realloc(cdata, length + 1);
       strncpy(cdata, data, length);
       cdata[length] = '\0';
       return cdata;