Add zcmp, zcmpi, zcmpu, zcmpmag, zset, zseti, and zsetu

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 22 insertions, 0 deletions

diff --git a/src/zset.c b/src/zset.c
new file mode 100644
index 0000000..3598859
--- /dev/null
+++ b/src/zset.c
@@ -0,0 +1,22 @@
+/* See LICENSE file for copyright and license details. */
+#include "internals"
+
+#include <stdlib.h>
+#include <string.h>
+
+
+void
+zset(z_t a, z_t b)
+{
+	if (zzero(b)) {
+		SET_SIGNUM(a, 0);
+	} else {
+		if (a->alloced < b->alloced) {
+			a->alloced = b->alloced;
+			a->chars = realloc(a->chars, b->alloced * sizeof(*(a->chars)));
+		}
+		a->sign = b->sign;
+		a->used = b->used;
+		memcpy(a->chars, b->chars, b->used * sizeof(*(a->chars)));
+	}
+}