Created circular buffer

1 files changed, 49 insertions, 6 deletions

diff --git a/buf.c b/buf.c
index ac7e83a..04c4d70 100644
--- a/buf.c
+++ b/buf.c
@@ -114,6 +114,12 @@ int bbuf_realloc(bbuf *buf, int size)
 	return ret;
 }
 
+int bbuf_reduce(bbuf *buf)
+{
+	printf("Not implemented\n");
+	return -1;
+}
+
 
 //increase buffer for size
 int bbuf_inc(bbuf *a, char *b, int size)
@@ -131,6 +137,48 @@ int bbuf_dec(bbuf *a, char *b, int size)
 }
 
 
+
+int bbuf_concat(bbuf *a, bbuf *b)
+{
+	printf("Not implemented\n");
+	return -1;
+}
+
+int bbuf_size(bbuf *a)
+{
+	if (a == NULL)
+	{
+		return -1;
+	}
+
+	//return used size
+	return a->buf_size;
+}
+
+int bbuf_print(bbuf *a)
+{
+	int i;
+
+	if (NULL == a)
+	{
+		return -1;
+	}
+
+	for (i=0;i<a->buf_size;i++)
+	{
+		char ch = a->buf[i];
+		if (isalpha(ch))
+		{
+			printf("%c",ch);
+		} else
+		{
+			printf(".");
+		}
+	}
+
+	return 0;
+}
+
 //free buffer
 void bbuf_free(bbuf *buf)
 {
@@ -145,12 +193,7 @@ void bbuf_free(bbuf *buf)
 		buf->buf = NULL;
 		memset(buf, 0, sizeof(bbuf));
 		free(buf);
+		buf = NULL;
 	}
 }
 
-int bbuf_concat(bbuf *a, bbuf *b)
-{
-	printf("Not implemented\n");
-	return -1;
-}
-