implement the easy parts of resizable array

1 files changed, 29 insertions, 0 deletions

diff --git a/inc/resarr.h b/inc/resarr.h
new file mode 100644
index 0000000..92a1f85
--- /dev/null
+++ b/inc/resarr.h
@@ -0,0 +1,29 @@
+#ifndef LIBSPICY_RESARR_H
+#define LIBSPICY_RESARR_H
+
+#include <stdlib.h>
+
+typedef struct ResArr {
+	size_t elemsize;
+	size_t elemcount;
+	size_t allocsize;
+	void *array;
+} stype_resarr;
+
+#define resarr_access(arr, idx) ((idx) <= (arr).size ? (arr).array[(idx)] : NULL )
+
+stype_resarr resarr_create(size_t elemsize);
+int resarr_reserve(stype_resarr *arr, size_t elemcount);
+int resarr_reserve_exact(stype_resarr *arr, size_t elemcount);
+int resarr_push(stype_resarr *arr, void *elem);
+int resarr_pop(stype_resarr *arr);
+size_t resarr_size(stype_resarr arr);
+int resarr_insert(stype_resarr *arr, void *elem, size_t before, size_t count);
+int resarr_insert_single(stype_resarr *arr, void *elem, size_t before);
+int resarr_delete(stype_resarr *arr, size_t start, size_t end);
+int resarr_swap(stype_resarr *first, stype_resarr *second);
+int resarr_clear(stype_resarr arr);
+int resarr_destroy(stype_resarr *arr);
+
+#endif
+