Starting on conversion to c. Program exec, buffers..

1 files changed, 30 insertions, 0 deletions

diff --git a/buffer.h b/buffer.h
new file mode 100644
index 0000000..a8c1940
--- /dev/null
+++ b/buffer.h
@@ -0,0 +1,30 @@
+#ifndef BUFFER_H
+#define BUFFER_H
+
+#include <stddef.h>
+
+/*
+    TODO: Optimize small size buffers by using data and size members (16 bytes on x86)
+    instead of heap allocation
+*/
+typedef struct {
+    void *data;
+    size_t size;
+    size_t capacity;
+} Buffer;
+
+void buffer_init(Buffer *self);
+void buffer_deinit(Buffer *self);
+
+void buffer_append(Buffer *self, const void *data, size_t size);
+/*
+    This function changes the size of the buffer without changing the capacity
+    and returns the value at the back of the buffer, which is valid until @tsl_buffer_append or
+    @tsl_buffer_deinit is called.
+    The buffer size has to be larger or equal to @size.
+*/
+void* buffer_pop(Buffer *self, size_t size);
+void* buffer_begin(Buffer *self);
+void* buffer_end(Buffer *self);
+
+#endif