diff options
Diffstat (limited to 'coreutils/expr.c')
| -rw-r--r-- | coreutils/expr.c | 25 |
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" |