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bc: new applet, throws warning

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Signed-off-by: Gavin Howard <yzena.tech@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Gavin Howard 2018-11-03 11:00:21 -06:00 committed by Denys Vlasenko
parent d08206dce1
commit 01055ba89a
2 changed files with 7489 additions and 38 deletions
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7449
miscutils/bc.c Normal file
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78
miscutils/dc.c
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@ -1,48 +1,49 @@
#if 0 //TODO: use if bc is not selected
/* vi: set sw=4 ts=4: */
/*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
//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.
//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))
//applet:IF_DC(APPLET(dc, BB_DIR_USR_BIN, BB_SUID_DROP))
//kbuild:lib-$(CONFIG_DC) += dc.o
//kbuild:lib-$(CONFIG_DC) += dc.o
//usage:#define dc_trivial_usage
//usage: "EXPRESSION..."
//usage:
//usage:#define dc_full_usage "\n\n"
//usage: "Tiny RPN calculator. Operations:\n"
//usage: "+, add, -, sub, *, mul, /, div, %, mod, "IF_FEATURE_DC_LIBM("**, exp, ")"and, or, not, xor,\n"
//usage: "p - print top of the stack (without popping),\n"
//usage: "f - print entire stack,\n"
//usage: "o - pop the value and set output radix (must be 10, 16, 8 or 2).\n"
//usage: "Examples: 'dc 2 2 add p' -> 4, 'dc 8 8 mul 2 2 + / p' -> 16"
//usage:
//usage:#define dc_example_usage
//usage: "$ dc 2 2 + p\n"
//usage: "4\n"
//usage: "$ dc 8 8 \\* 2 2 + / p\n"
//usage: "16\n"
//usage: "$ dc 0 1 and p\n"
//usage: "0\n"
//usage: "$ dc 0 1 or p\n"
//usage: "1\n"
//usage: "$ echo 72 9 div 8 mul p | dc\n"
//usage: "64\n"
//usage:#define dc_trivial_usage
//usage: "EXPRESSION..."
//usage:
//usage:#define dc_full_usage "\n\n"
//usage: "Tiny RPN calculator. Operations:\n"
//usage: "+, add, -, sub, *, mul, /, div, %, mod, "IF_FEATURE_DC_LIBM("**, exp, ")"and, or, not, xor,\n"
//usage: "p - print top of the stack (without popping),\n"
//usage: "f - print entire stack,\n"
//usage: "o - pop the value and set output radix (must be 10, 16, 8 or 2).\n"
//usage: "Examples: 'dc 2 2 add p' -> 4, 'dc 8 8 mul 2 2 + / p' -> 16"
//usage:
//usage:#define dc_example_usage
//usage: "$ dc 2 2 + p\n"
//usage: "4\n"
//usage: "$ dc 8 8 \\* 2 2 + / p\n"
//usage: "16\n"
//usage: "$ dc 0 1 and p\n"
//usage: "0\n"
//usage: "$ dc 0 1 or p\n"
//usage: "1\n"
//usage: "$ echo 72 9 div 8 mul p | dc\n"
//usage: "64\n"
#include "libbb.h"
#include "common_bufsiz.h"
@ -302,3 +303,4 @@ int dc_main(int argc UNUSED_PARAM, char **argv)
}
return EXIT_SUCCESS;
}
#endif