1 files changed, 44 insertions, 0 deletions
diff --git a/awka.c b/awka.c
new file mode 100644
index 00000000..2de66700
--- /dev/null
+++ b/awka.c
@@ -0,0 +1,44 @@
+/*
+ * some speciallized memory allocation routines
+ *
+ * $Log:	awka.c,v $
+ * Revision 1.1  89/03/22  21:04:00  david
+ * Initial revision
+ * 
+ */
+
+#include "awk.h"
+
+#define NODECHUNK	50
+
+NODE *nextfree = NULL;
+NODE *lastfree = NULL;
+
+NODE *
+newnode(ty)
+NODETYPE ty;
+{
+	NODE *it;
+	NODE *np;
+
+	if (nextfree == lastfree) {
+		emalloc(nextfree, NODE *, NODECHUNK * sizeof(NODE), "newnode");
+		for (np = nextfree; np < &nextfree[NODECHUNK - 1]; np++)
+			np->nextp = np + 1;
+		np->nextp = lastfree;
+		lastfree = np;
+	}
+	it = nextfree;
+	nextfree = nextfree->nextp;
+	it->type = ty;
+	it->flags = MALLOC;
+	return it;
+}
+
+freenode(it)
+NODE *it;
+{
+	lastfree->nextp = it;
+	it->nextp = NULL;
+	lastfree = it;
+}