Add test for gbuf

include/ucore/ucore_buffer.h

@@ -26,7 +26,7 @@ struct GBuf {
 	void *buf;
 };
 
-/** Allocatea new GBuf.
+/** Allocate a new GBuf.
  *
  * @param initsz Intial capacity of the GBuf
  * @return New GBuf, or NULL if allocation fails,
@@ -56,7 +56,18 @@ void uc_gbuf_unref(GBuf *buf);
  * @return 0 on success, -1 on failure when allocation fails if he buffer
  * needs to grow
  */
-int uc_gbuf_append(GBuf *buf,void *data,size_t len);
+int uc_gbuf_append(GBuf *buf,const void *data,size_t len);
+
+/** Do printf formatting on a GBuf.
+ * The buffer will grow as needed.
+ *
+ * @param buf The GBuf
+ * @param fmt printf stype formatting string
+ * @param ... format arguments
+ * 
+ * @return The number of chars written, or negative if an error occurs
+ */
+int uc_gbuf_printf(GBuf *buf, const char *fmt, ...);
 
 /** Expand the capacity of the GBuf.
  *
@@ -69,7 +80,7 @@ int uc_gbuf_grow(GBuf *buf, size_t addlen);
  * @param buff buffer
  * @return length of unused space
  */
-size_t uc_gbuf_remaining(const GBuf *buf)
+static inline size_t uc_gbuf_remaining(const GBuf *buf)
 {
     return buf->len - buf->used;
 }

src/ucore_buffer.c

@@ -43,7 +43,7 @@ uc_gbuf_unref(GBuf *buf)
 }
 
 int 
-uc_gbuf_append(GBuf *buf,void *data,size_t len)
+uc_gbuf_append(GBuf *buf,const void *data,size_t len)
 {
 	unsigned char *gbuf;
 	

test/test_buffer.c

@@ -0,0 +1,42 @@
+#include <check.h>
+#include <string.h>
+#include <ucore/ucore_buffer.h>
+
+
+START_TEST (test_new_gbuf)
+    GBuf *buf = uc_new_gbuf(11);
+
+    fail_if(buf == NULL);
+    fail_if(buf->len != 11);
+    fail_if(buf->ref_cnt != 1);
+    fail_if(buf->buf == NULL);
+    fail_if(buf->used != 0);
+END_TEST
+
+START_TEST (test_gbuf_append1)
+    const char *data = "lorum_ ipson 1234567890";
+    int rc;
+    GBuf *buf = uc_new_gbuf(11);
+
+    fail_if(buf == NULL);
+
+    rc = uc_gbuf_append(buf, data, strlen(data) + 1);
+    fail_if(rc != 0);
+    fail_if(buf->used != strlen(data) + 1);
+    fail_if(strcmp(data, buf->buf) != 0);
+
+END_TEST
+
+
+Suite *buffer_suite(void)
+{
+    Suite *s = suite_create("buffer");
+    TCase *tc = tcase_create("buffer (GBuf) tests");
+    tcase_add_test(tc, test_new_gbuf);
+    tcase_add_test(tc, test_gbuf_append1);
+
+    suite_add_tcase(s, tc);
+
+    return s;
+}
+

test/test_runner.c

@@ -11,6 +11,7 @@ extern Suite *read_file_suite(void);
 extern Suite *pack_suite(void);
 extern Suite *logging_suite(void);
 extern Suite *threadqueue_suite(void);
+extern Suite *buffer_suite(void);
 
 int
 main (int argc, char *argv[])
@@ -31,6 +32,7 @@ main (int argc, char *argv[])
     srunner_add_suite(sr, pack_suite());
     srunner_add_suite(sr, logging_suite());
     srunner_add_suite(sr, threadqueue_suite());
+    srunner_add_suite(sr, buffer_suite());
 
 
     srunner_run_all (sr, CK_VERBOSE);