add single instance mode

[uwplayer.git] / ucx / buffer.c

diff --git a/ucx/buffer.c b/ucx/buffer.c
index a6ef0fb..d160504 100644 (file)
--- a/ucx/buffer.c
+++ b/ucx/buffer.c
@@ -70,6 +70,29 @@ void cxBufferDestroy(CxBuffer *buffer) {
     }
 }
 
+CxBuffer *cxBufferCreate(
+        void *space,
+        size_t capacity,
+        CxAllocator const *allocator,
+        int flags
+) {
+    CxBuffer *buf = cxMalloc(allocator, sizeof(CxBuffer));
+    if (buf == NULL) return NULL;
+    if (0 == cxBufferInit(buf, space, capacity, allocator, flags)) {
+        return buf;
+    } else {
+        cxFree(allocator, buf);
+        return NULL;
+    }
+}
+
+void cxBufferFree(CxBuffer *buffer) {
+    if ((buffer->flags & CX_BUFFER_FREE_CONTENTS) == CX_BUFFER_FREE_CONTENTS) {
+        cxFree(buffer->allocator, buffer->bytes);
+    }
+    cxFree(buffer->allocator, buffer);
+}
+
 int cxBufferSeek(
         CxBuffer *buffer,
         off_t offset,