Set all members to NULL or 0 manually and implement fopen under EASYCSV_W

src/easycsv.c

@@ -688,22 +688,35 @@ _easycsv_priv_init(const char *fp,
 		   const EASYCSV_ERRORMSG error)
 {
   _easycsv *_priv = malloc(sizeof(_easycsv));
-  memset(_priv, 0, sizeof(*_priv)); // set all members to NULL or 0
+
+  _priv->file = NULL;
+  _priv->temp = NULL;
+  _priv->fp = NULL;
+  _priv->tmpfp = NULL;
+  _priv->rows = 0;
+  _priv->cols = 0;
+#ifdef EASYCSV_DEBUG
+  _priv->start = 0;
+#endif
 
   _priv->error = error;
   
   /* Open file according to mode */
   switch (mode) {
-  case EASYCSV_R:
-  case EASYCSV_W: {
+  case EASYCSV_R: {
     _priv->file = fopen(fp, "r");
     break;
   }
+  case EASYCSV_W: {
+    _priv->file = fopen(fp, "w");
+    break;
+  }
   default: {
     _easycsv_printerror(_priv, EASYCSV_UNKNOWNIOMODE);
     _easycsv_priv_free(_priv);
     return NULL;
   }
+  }
   
   if (_priv->file == NULL)
   {
@@ -724,17 +737,14 @@ _easycsv_priv_init(const char *fp,
     _priv->rows = _easycsv_rows(_priv, mode);
     _priv->cols = _easycsv_columns(_priv, mode);
   }
-  else {
-    _priv->rows = 0;
-    _priv->cols = 0;
-  }
 
-   if (mode == EASYCSV_W) {
-    
-    /* csv->tmpfp = malloc(16 + stfp + 1); */
-    /* strncpy(csv->tmpfp, prefix, 16); */
+  if (mode == EASYCSV_W) {
+   
+   /* csv->tmpfp = malloc(16 + stfp + 1); */
+   /* strncpy(csv->tmpfp, prefix, 16); */
+
     /* strncat(csv->tmpfp, fp, stfp); */
-    
+   
     do {
       /* Write to temporary file */
       unsigned int i = 1;
@@ -784,8 +794,7 @@ _easycsv_priv_init(const char *fp,
     */
     
   }
-  
-  }
+   
   return _priv;
 }