add file operation

test.c

@@ -1,6 +1,7 @@
 #include "config.h"
 #include <stdio.h>
 #include <stdlib.h>
+#include "file.h"
 
 int main(void)
 {
@@ -24,6 +25,7 @@ int main(void)
    char testpair[] = "asifdsfo=s1254124";
    char *keyName=NULL;
    char *keyValue=NULL;
+   char *content=NULL;
    
    keyName = malloc(MAX_LEN_SECTIONNAME);
    keyValue = malloc(MAX_LEN_SECTIONNAME);
@@ -37,6 +39,26 @@ int main(void)
    }else{
        printf("error getNameValuePair: %d\n",ret);
    }
+    
+    long neededSize=0;
+    if((ret=getFile("config.cfg",NULL,0,&neededSize))==NO_ERROR)
+    {
+        printf("sucessfull retrieved size:%ld\n",neededSize);
+    }
+    else {
+        printf("Error on getFile:%d\n",ret);
+    }
+    content = malloc(neededSize);
+    if((ret=getFile("config.cfg",&content,neededSize,&neededSize))==NO_ERROR)
+    {
+        printf("Sucessfull read file into buffer:%s\n---\n",content);
+    }
+    else {
+        printf("Error on getFile:%d\n",ret);
+    }
+
+
+
 
    free(keyValue);
    free(keyName);
@@ -44,3 +66,4 @@ int main(void)
 
    
 }
+