diff options
Diffstat (limited to 'miscutils/bc.c')
| -rw-r--r-- | miscutils/bc.c | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c index 71945ff4a..26044afbc 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -94,17 +94,30 @@ //config: Also note that, like the FreeBSD dc, extended registers are not //config: allowed unless the "-x" option is given. //config: +//config:config FEATURE_DC_SMALL +//config: bool "Minimal dc implementation (4.2 kb), not using bc code base" +//config: depends on DC && !BC +//config: default y +//config: +//config:config FEATURE_DC_LIBM +//config: bool "Enable power and exp functions (requires libm)" +//config: default y +//config: depends on FEATURE_DC_SMALL +//config: help +//config: Enable power and exp functions. +//config: NOTE: This will require libm to be present for linking. +//config: //config:config FEATURE_BC_SIGNALS //config: bool "Enable bc/dc signal handling" //config: default y -//config: depends on BC || DC +//config: depends on (BC || DC) && !FEATURE_DC_SMALL //config: help //config: Enable signal handling for bc and dc. //config: //config:config FEATURE_BC_LONG_OPTIONS //config: bool "Enable bc/dc long options" //config: default y -//config: depends on BC || DC +//config: depends on (BC || DC) && !FEATURE_DC_SMALL //config: help //config: Enable long options for bc and dc. @@ -143,16 +156,16 @@ //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, ^, exp, ~, divmod, |, " -//usage: "modular exponentiation,\n" -//usage: "p - print top of the stack (without popping),\n" -//usage: "f - print entire stack,\n" -//usage: "k - pop the value and set the precision.\n" -//usage: "i - pop the value and set input radix.\n" -//usage: "o - pop the value and set output radix.\n" -//usage: "Examples: 'dc 2 2 add p' -> 4, 'dc 8 8 mul 2 2 + / p' -> 16" +//usage:#define dc_full_usage "\n" +//usage: "\nTiny RPN calculator. Operations:" +//usage: "\n+, add, -, sub, *, mul, /, div, %, mod, ^, exp, ~, divmod, |, " +//usage: "modular exponentiation," +//usage: "\np - print top of the stack (without popping)," +//usage: "\nf - print entire stack," +//usage: "\nk - pop the value and set the precision." +//usage: "\ni - pop the value and set input radix." +//usage: "\no - pop the value and set output radix." +//usage: "\nExamples: '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" @@ -169,6 +182,10 @@ #include "libbb.h" #include "common_bufsiz.h" +#if ENABLE_FEATURE_DC_SMALL +# include "dc.c" +#else + typedef enum BcStatus { BC_STATUS_SUCCESS = 0, BC_STATUS_FAILURE = 1, @@ -7490,3 +7507,5 @@ int dc_main(int argc UNUSED_PARAM, char **argv) return bc_vm_run(argv, "DC_LINE_LENGTH"); } #endif + +#endif // not DC_SMALL |