add DA_PUSH_MULT

1 files changed, 7 insertions, 0 deletions

diff --git a/dynarr.h b/dynarr.h
index 321325b..c9ce637 100644
--- a/dynarr.h
+++ b/dynarr.h
@@ -3,6 +3,7 @@
 
 #include <stdlib.h>
 #include <stdint.h>
+#include <string.h>
 #include <err.h>
 
 typedef struct { size_t count, capacity; } DynArrHeader;
@@ -35,6 +36,12 @@ typedef struct { size_t count, capacity; } DynArrHeader;
 	(da)[DA_HEADER(da)->count++] = item;\
 }
 
+#define DA_PUSH_MULT(da, buf, n) {\
+	DA_FIT(da, DA_LEN(da) + n);\
+	memcpy(&(da)[DA_HEADER(da)->count], buf, n * sizeof(*(da)));\
+	DA_HEADER(da)->count += n;\
+}
+
 #define DA_FOR(da, type, name)\
 	for (type *name = (da); name < &(da)[DA_LEN(da)]; name++)