X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=miscutils%2Fdc.c;h=b922a7184d7d2fe2934662fca61b7ad50dd5cef6;hb=d72e804e6db1bd6eb2417961004b4fe33aba9384;hp=3fbb89f5b88960819fba39a144cfa7cad4c13bbe;hpb=e6a2f4cc5a47d3022bdf5ca2cacbaa5a8c5baf7a;p=oweals%2Fbusybox.git

diff --git a/miscutils/dc.c b/miscutils/dc.c
index 3fbb89f5b..b922a7184 100644
--- a/miscutils/dc.c
+++ b/miscutils/dc.c
@@ -2,10 +2,24 @@
 /*
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-
-#include "libbb.h"
-#include "common_bufsiz.h"
-#include <math.h>
+//config:config DC
+//config:	bool "dc (4.2 kb)"
+//config:	default y
+//config:	help
+//config:	Dc is a reverse-polish desk calculator which supports unlimited
+//config:	precision arithmetic.
+//config:
+//config:config FEATURE_DC_LIBM
+//config:	bool "Enable power and exp functions (requires libm)"
+//config:	default y
+//config:	depends on DC
+//config:	help
+//config:	Enable power and exp functions.
+//config:	NOTE: This will require libm to be present for linking.
+
+//applet:IF_DC(APPLET(dc, BB_DIR_USR_BIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_DC) += dc.o
 
 //usage:#define dc_trivial_usage
 //usage:       "EXPRESSION..."
@@ -30,6 +44,10 @@
 //usage:       "$ echo 72 9 div 8 mul p | dc\n"
 //usage:       "64\n"
 
+#include "libbb.h"
+#include "common_bufsiz.h"
+#include <math.h>
+
 #if 0
 typedef unsigned data_t;
 #define DATA_FMT ""
@@ -53,6 +71,7 @@ enum { STACK_SIZE = (COMMON_BUFSIZE - offsetof(struct globals, stack)) / sizeof(
 #define base      (G.base      )
 #define stack     (G.stack     )
 #define INIT_G() do { \
+	setup_common_bufsiz(); \
 	base = 10; \
 } while (0)