Add daextend() to the new dynarr system

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/dynarr/dapush.c b/lib/dynarr/daextend.c
index 11fde1b..efa96d5 100644
--- a/lib/dynarr/dapush.c
+++ b/lib/dynarr/daextend.c
@@ -6,17 +6,17 @@
 #include "dynarr.h"
 
 void *
-(dapush)(void *da, void *x, size_t sz, size_t align)
+(daextend)(void *da, void *xs, size_t n, size_t sz, size_t align)
 {
 	dynarr(uint8_t) cpy;
 	memcpy(&cpy, da, sizeof(cpy));
 
-	if (++cpy.len > cpy.cap) {
+	if ((cpy.len += n) > cpy.cap) {
 		size_t ncap = stdc_bit_ceil(cpy.len);
 		cpy.buf = cpy.alloc(cpy.ctx, cpy.buf, cpy.cap, ncap, sz, align);
 		cpy.cap = ncap;
 	}
 
-	memcpy(cpy.buf + cpy.len * sz - sz, x, sz);
+	memcpy(cpy.buf + cpy.len * sz - n * sz, xs, n * sz);
 	return memcpy(da, &cpy, sizeof(cpy));
 }