+misc

1 files changed, 24 insertions, 0 deletions

diff --git a/src/util/darray.h b/src/util/darray.h
new file mode 100644
index 0000000..3347fd2
--- /dev/null
+++ b/src/util/darray.h
@@ -0,0 +1,24 @@
+#ifndef _SSR_DARRAY_H
+#define _SSR_DARRAY_H
+
+#ifndef NULL 
+#define NULL 0
+#endif
+
+#define darray_push(darray, value)                                          \
+    do {                                                                    \
+        (darray) = darray_hold((darray), 1, sizeof(*(darray)));             \
+        (darray)[darray_size(darray) - 1] = (value);                        \
+    } while (0)
+
+#define DARRAY_RAW_DATA(darray) ((int*)(darray) - 2)
+#define DARRAY_CAPACITY(darray) (DARRAY_RAW_DATA(darray)[0])
+#define DARRAY_OCCUPIED(darray) (DARRAY_RAW_DATA(darray)[1])
+
+int darray_size(void *darray);
+
+void darray_free(void *darray) ;
+
+void *darray_hold(void *darray, int count, int itemsize);
+
+#endif
\ No newline at end of file