Created circular buffer

1 files changed, 95 insertions, 0 deletions

diff --git a/test_circ.c b/test_circ.c
new file mode 100644
index 0000000..60746f0
--- /dev/null
+++ b/test_circ.c
@@ -0,0 +1,95 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "buf.h"
+#include "buf_misc.h"
+#include "debug.h"
+
+void blow_if_error(int err)
+{
+	if (err < 0)
+	{
+		printf("Should be no error but there is\n");
+		exit(1);
+	}
+}
+
+//#define B(X) PNL();blow_if_error(X);
+#define B(X) blow_if_error(X);
+
+void error_is_good(int err)
+{
+	if (err >= 0)
+	{
+		printf("Should be error but there is no\n");
+		exit(1);
+	}
+}
+#define E(X) error_is_good(X);
+
+int main()
+{
+
+	bbuf_circ *bc=NULL;
+	bbuf      *b1=NULL;
+	char ch;
+	int i;
+
+	B(bbuf_circ_new(&bc, 8));
+	bbuf_print(bc->buf); printf("\r\n");
+
+	B(bbuf_circ_put(bc, 'A'));
+	bbuf_print(bc->buf); printf("\r\n");
+
+	B(bbuf_circ_put(bc, 'B'));
+	bbuf_print(bc->buf); printf("\r\n");
+
+	B(bbuf_circ_put(bc, 'C'));
+	B(bbuf_circ_put(bc, 'D'));
+	B(bbuf_circ_put(bc, 'E'));
+	B(bbuf_circ_put(bc, 'F'));
+	B(bbuf_circ_put(bc, 'G'));
+	B(bbuf_circ_put(bc, 'H'));
+	bbuf_print(bc->buf); printf("\r\n");
+
+	B(bbuf_circ_put(bc, 'I'));
+	bbuf_print(bc->buf); printf("\r\n");
+
+	B(bbuf_circ_reset(bc));
+	E(bbuf_circ_get(bc, &ch));
+
+	B(bbuf_circ_put(bc, 'M'));
+	B(bbuf_circ_put(bc, 'O'));
+	B(bbuf_circ_put(bc, 'S'));
+	B(bbuf_circ_put(bc, 'S'));
+	B(bbuf_circ_put(bc, 'A'));
+	B(bbuf_circ_put(bc, 'D'));
+	for (i=0;i<10;i++)
+	{
+		if (0 == bbuf_circ_get(bc, &ch))
+		{
+			printf("%c",ch);
+		}
+	}
+	printf("\r\n");
+	bbuf_circ_reset(bc);
+
+	char name1[] = "FREDOME";
+	b1 = bbuf_new(strlen(name1));
+	bbuf_set(b1, name1, strlen(name1));
+	bbuf_print(b1); printf("\r\n");
+	printf("Added =%d\r\n",bbuf_circ_add(bc, b1));
+	for (i=0;i<10;i++)
+	{
+		if (0 == bbuf_circ_get(bc, &ch))
+		{
+			printf("!%c",ch);
+		}
+	}
+	printf("\r\n");
+
+	bbuf_circ_free(bc);
+	bbuf_free(b1);
+	
+	return 0;
+}
\ No newline at end of file