busybox.git/shell/math.c, branch master

shell/math: avoid $((3**999999999999999999)) to take years

2023-07-02T17:32:12+00:00

function                                             old     new   delta
arith_apply                                          991    1030     +39

Signed-off-by: Denys Vlasenko

shell/math: do not accept $((36#@))

2023-07-02T15:58:20+00:00

function                                             old     new   delta
parse_with_base                                      170     174      +4
arith_apply                                          996     991      -5
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 4/-5)               Total: -1 bytes

Signed-off-by: Denys Vlasenko

shell/math: code shrink

2023-06-30T17:16:41+00:00

function                                             old     new   delta
arith_apply                                          999     996      -3
evaluate_string                                     1295    1291      -4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-7)               Total: -7 bytes

Signed-off-by: Denys Vlasenko

shell/math: code shrink

2023-06-29T09:01:50+00:00

function                                             old     new   delta
arith_apply                                         1023     996     -27

Signed-off-by: Denys Vlasenko

shell/math: code shrink

2023-06-28T12:18:35+00:00

function                                             old     new   delta
arith_apply                                         1015    1023      +8
evaluate_string                                     1309    1295     -14
.rodata                                           105344  105321     -23
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 8/-37)             Total: -29 bytes

Signed-off-by: Denys Vlasenko

shell/math: improve comments

2023-06-26T09:08:40+00:00

Signed-off-by: Denys Vlasenko

shell/math: rename TOK_NUM to TOK_VALUE, improve comments

2023-06-26T08:02:54+00:00

Signed-off-by: Denys Vlasenko

shell/math: bash-compatible handling of too large numbers

2023-06-25T15:42:05+00:00

function                                             old     new   delta
parse_with_base                                        -     170    +170
evaluate_string                                     1477    1309    -168
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/1 up/down: 170/-168)            Total: 2 bytes

Signed-off-by: Denys Vlasenko

shell/math: disable debug again

2023-06-19T08:23:58+00:00

Signed-off-by: Denys Vlasenko

shell/math: $((1?)) has one-too-small opstack, fix this

2023-06-19T08:22:15+00:00

Signed-off-by: Denys Vlasenko