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authorDenys Vlasenko <vda.linux@googlemail.com>2016-11-23 14:46:56 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2016-11-23 14:46:56 +0100
commitaf3f42011628585cd5c8f5c1fd4b43f2e370a23d (patch)
tree125ee16d5080008fcf459ad55d91af1dcd488ef9 /coreutils/expr.c
parent5b966c6180c139fba6846d632fd9bc0c34a8e1bc (diff)
downloadbusybox-af3f42011628585cd5c8f5c1fd4b43f2e370a23d.tar.gz
Convert all coreutils/* applets to "new style" applet definitions
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'coreutils/expr.c')
-rw-r--r--coreutils/expr.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/coreutils/expr.c b/coreutils/expr.c
index efc435443..5d2fbf2f7 100644
--- a/coreutils/expr.c
+++ b/coreutils/expr.c
@@ -13,7 +13,6 @@
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
-
/* This program evaluates expressions. Each token (operator, operand,
* parenthesis) of the expression must be a separate argument. The
* parser used is a reasonably general one, though any incarnation of
@@ -21,9 +20,27 @@
*
* No parse tree is needed; a new node is evaluated immediately.
* One function can handle multiple operators all of equal precedence,
- * provided they all associate ((x op x) op x). */
-
-/* no getopt needed */
+ * provided they all associate ((x op x) op x).
+ */
+//config:config EXPR
+//config: bool "expr"
+//config: default y
+//config: help
+//config: expr is used to calculate numbers and print the result
+//config: to standard output.
+//config:
+//config:config EXPR_MATH_SUPPORT_64
+//config: bool "Extend Posix numbers support to 64 bit"
+//config: default y
+//config: depends on EXPR
+//config: help
+//config: Enable 64-bit math support in the expr applet. This will make
+//config: the applet slightly larger, but will allow computation with very
+//config: large numbers.
+
+//applet:IF_EXPR(APPLET(expr, BB_DIR_USR_BIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_EXPR) += expr.o
//usage:#define expr_trivial_usage
//usage: "EXPRESSION"