Move variable printing from main.c to var.c

Submitted by:	Max Okumoto <okumoto@ucsd.edu> (7.233)

3 files changed, 38 insertions, 29 deletions

diff --git a/usr.bin/make/main.c b/usr.bin/make/main.c
index 8e41fd8..ea4253b 100644
--- a/usr.bin/make/main.c
+++ b/usr.bin/make/main.c
@@ -988,34 +988,7 @@ main(int argc, char **argv)
 		Lst_Destroy(&targs, NOFREE);
 
 	} else {
-		/*
-		 * Print the values of any variables requested by
-		 * the user.
-		 */
-		LstNode		*n;
-		const char	*name;
-		char		*v;
-		char		*value;
-
-		LST_FOREACH(n, &variables) {
-			name = Lst_Datum(n);
-			if (expandVars) {
-				v = emalloc(strlen(name) + 1 + 3);
-				sprintf(v, "${%s}", name);
-
-				value = Buf_Peel(Var_Subst(v,
-				    VAR_GLOBAL, FALSE));
-				printf("%s\n", value);
-
-				free(v);
-				free(value);
-			} else {
-				value = Var_Value(name, VAR_GLOBAL, &v);
-				printf("%s\n", value != NULL ? value : "");
-				if (v != NULL)
-					free(v);
-			}
-		}
+		Var_Print(&variables, expandVars);
 	}
 
 	Lst_Destroy(&variables, free);
diff --git a/usr.bin/make/var.c b/usr.bin/make/var.c
index eb83c52..a70acae 100644
--- a/usr.bin/make/var.c
+++ b/usr.bin/make/var.c
@@ -96,6 +96,7 @@ __FBSDID("$FreeBSD$");
 #include "globals.h"
 #include "GNode.h"
 #include "job.h"
+#include "lst.h"
 #include "make.h"
 #include "parse.h"
 #include "str.h"
@@ -2530,3 +2531,36 @@ Var_Dump(void)
 	}
 }
 
+/**
+ * Print the values of any variables requested by
+ * the user.
+ */
+void
+Var_Print(Lst *vlist, Boolean expandVars)
+{
+	LstNode		*n;
+	const char	*name;
+	char		*v;
+	char		*value;
+
+	LST_FOREACH(n, vlist) {
+		name = Lst_Datum(n);
+		if (expandVars) {
+			v = emalloc(strlen(name) + 1 + 3);
+			sprintf(v, "${%s}", name);
+
+			value = Buf_Peel(Var_Subst(v,
+			    VAR_GLOBAL, FALSE));
+			printf("%s\n", value);
+
+			free(v);
+			free(value);
+		} else {
+			value = Var_Value(name, VAR_GLOBAL, &v);
+			printf("%s\n", value != NULL ? value : "");
+			if (v != NULL)
+				free(v);
+		}
+	}
+}
+
diff --git a/usr.bin/make/var.h b/usr.bin/make/var.h
index 51e8412..d4f1b4e 100644
--- a/usr.bin/make/var.h
+++ b/usr.bin/make/var.h
@@ -42,8 +42,9 @@
 #ifndef var_h_9cccafce
 #define	var_h_9cccafce
 
-struct GNode;
 struct Buffer;
+struct GNode;
+struct List;
 
 /* Variables defined in a global context, e.g in the Makefile itself */
 extern struct GNode	*VAR_GLOBAL;
@@ -73,6 +74,7 @@ Boolean Var_Exists(const char *, struct GNode *);
 void Var_Init(char **);
 size_t Var_Match(const char [], struct GNode *);
 char *Var_Parse(const char *, struct GNode *, Boolean, size_t *, Boolean *);
+void Var_Print(struct Lst *, Boolean);
 void Var_Set(const char *, const char *, struct GNode *);
 void Var_SetEnv(const char *, struct GNode *);
 struct Buffer *Var_Subst(const char *, struct GNode *, Boolean);