Initial revision

src/cmd/mk/var.c

@@ -0,0 +1,41 @@
+#include	"mk.h"
+
+void
+setvar(char *name, void *value)
+{
+	symlook(name, S_VAR, value)->value = value;
+	symlook(name, S_MAKEVAR, (void*)"");
+}
+
+static void
+print1(Symtab *s)
+{
+	Word *w;
+
+	Bprint(&bout, "\t%s=", s->name);
+	for (w = (Word *) s->value; w; w = w->next)
+		Bprint(&bout, "'%s'", w->s);
+	Bprint(&bout, "\n");
+}
+
+void
+dumpv(char *s)
+{
+	Bprint(&bout, "%s:\n", s);
+	symtraverse(S_VAR, print1);
+}
+
+char *
+shname(char *a)
+{
+	Rune r;
+	int n;
+
+	while (*a) {
+		n = chartorune(&r, a);
+		if (!WORDCHR(r))
+			break;
+		a += n;
+	}
+	return a;
+}