Age | Commit message (Collapse) | Author |
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function old new delta
sigprocmask2 - 8 +8
wait_for_child_or_signal 213 218 +5
dowait 424 429 +5
block_CHLD_HUP_ALRM 62 59 -3
sigprocmask_SIG_SETMASK 16 - -16
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(add/remove: 1/1 grow/shrink: 2/1 up/down: 18/-19) Total: -1 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
sigprocmask_SIG_SETMASK - 16 +16
wait_for_child_or_signal 221 213 -8
dowait 432 424 -8
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_read_line 305 307 +2
bc_vm_run 701 689 -12
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(add/remove: 0/0 grow/shrink: 1/1 up/down: 2/-12) Total: -10 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
BC_NUM_AREQ - 45 +45
BC_NUM_MREQ - 33 +33
bc_num_rem 104 91 -13
bc_num_divmod 168 155 -13
bc_num_d 584 569 -15
bc_num_mul 80 62 -18
bc_num_mod 80 62 -18
bc_num_div 80 62 -18
bc_num_sub 112 77 -35
bc_num_add 112 77 -35
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(add/remove: 2/0 grow/shrink: 0/8 up/down: 78/-165) Total: -87 bytes
text data bss dec hex filename
985526 485 7296 993307 f281b busybox_old
985439 485 7296 993220 f27c4 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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arches)
Also, optimize printing of messages with fixed limit strings
by including limits as strings.
function old new delta
bc_num_ulong 103 95 -8
bc_lex_number 296 281 -15
dc_lex_token 701 684 -17
bc_lex_name 90 73 -17
bc_num_shift 72 54 -18
bc_lex_token 1299 1280 -19
bc_parse_stmt 1868 1768 -100
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(add/remove: 0/0 grow/shrink: 0/7 up/down: 0/-194) Total: -194 bytes
text data bss dec hex filename
985814 485 7296 993595 f293b busybox_old
985526 485 7296 993307 f281b busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_num_ulong 103 95 -8
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
dc_lex_token 697 701 +4
bc_parse_next_rel 20 - -20
bc_parse_next_read 20 - -20
bc_parse_next_print 20 - -20
bc_parse_next_param 20 - -20
bc_parse_next_for 20 - -20
bc_parse_next_expr 20 - -20
bc_parse_next_elem 20 - -20
common_parse_expr 62 40 -22
bc_parse_expr 49 24 -25
dc_lex_regs 52 13 -39
bc_parse_name 581 539 -42
bc_parse_expr_empty_ok 2157 2108 -49
dc_parse_insts 332 83 -249
dc_lex_tokens 364 91 -273
bc_parse_stmt 2261 1868 -393
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(add/remove: 0/7 grow/shrink: 1/8 up/down: 4/-1232) Total: -1228 bytes
text data bss dec hex filename
987037 485 7296 994818 f2e02 busybox_old
985814 485 7296 993595 f293b busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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$ echo 0/0 | ./busybox bc; echo $?
bc: divide by zero
1
$ echo halt | ./busybox bc; echo $?
0 <------- was 1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_vm_init - 821 +821
bc_vm_file - 226 +226
dc_main 41 187 +146
bc_main 41 73 +32
packed_usage 33076 33059 -17
bc_vm_run 1903 701 -1202
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(add/remove: 2/0 grow/shrink: 2/2 up/down: 1225/-1219) Total: 6 bytes
text data bss dec hex filename
987046 485 7296 994827 f2e0b busybox_old
987037 485 7296 994818 f2e02 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_program_printStream - 185 +185
bc_program_pushArray - 147 +147
bc_program_exec 4132 4219 +87
bc_vec_pop - 27 +27
bc_vec_top - 13 +13
bc_num_ulong 92 103 +11
bc_vm_run 1905 1903 -2
bc_vm_process 94 92 -2
bc_program_reset 72 70 -2
bc_program_prep 93 91 -2
bc_program_call 366 364 -2
bc_parse_startBody 47 45 -2
bc_parse_parse 464 462 -2
bc_parse_else 137 135 -2
bc_parse_body 118 116 -2
bc_program_num 1129 1125 -4
bc_parse_text 147 143 -4
bc_program_retire 40 35 -5
bc_program_print 778 773 -5
bc_program_modexp 746 741 -5
bc_program_pushVar 215 208 -7
bc_program_copyToVar 323 316 -7
bc_parse_operator 184 177 -7
bc_parse_noElse 65 56 -9
bc_program_binOpRetire 56 46 -10
bc_parse_stmt 2271 2261 -10
bc_program_execStr 543 528 -15
bc_program_assignStr 161 146 -15
bc_parse_expr_empty_ok 2178 2157 -21
bc_parse_endBody 420 375 -45
bc_program_asciify 464 - -464
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(add/remove: 4/1 grow/shrink: 2/24 up/down: 470/-651) Total: -181 bytes
text data bss dec hex filename
987227 485 7296 995008 f2ec0 busybox_old
987046 485 7296 994827 f2e0b busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Pulling array element into a temporary, taking address of this temporary
and copying it? That's much unnecessary work.
function old new delta
dc_lex_token 701 697 -4
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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text data bss dec hex filename
987232 485 7296 995013 f2ec5 busybox_old
987205 485 7296 994986 f2eaa busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
push_input_byte - 65 +65
bc_vm_run 1875 1905 +30
bc_read_line 303 305 +2
bc_num_binary 148 150 +2
bc_num_ulong 103 92 -11
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(add/remove: 1/0 grow/shrink: 3/1 up/down: 99/-11) Total: 88 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
packed_usage 33023 33076 +53
bc_num_s 252 246 -6
bc_vm_run 1859 1850 -9
bc_error_fmt 36 20 -16
bc_posix_error_fmt 58 41 -17
bc_read_line 202 168 -34
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(add/remove: 0/0 grow/shrink: 1/5 up/down: 53/-82) Total: -29 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_args 123 130 +7
bc_num_binary 150 148 -2
static.nullptr 4 - -4
bc_vm_run 1883 1874 -9
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(add/remove: 0/1 grow/shrink: 1/2 up/down: 7/-15) Total: -8 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_num_ulong 92 103 +11
static.nullptr - 4 +4
bc_args 120 123 +3
static.bc_args_env_name 4 - -4
dc_main 49 41 -8
bc_main 49 41 -8
bc_vm_run 1917 1883 -34
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(add/remove: 1/1 grow/shrink: 2/3 up/down: 18/-54) Total: -36 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Will have exitcode 1 even on "quit" and "halt", is it a problem?
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_parse_expr_empty_ok - 2178 +2178
bc_parse_expr 2178 49 -2129
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(add/remove: 1/0 grow/shrink: 0/1 up/down: 2178/-2129) Total: 49 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Pure block moves of text
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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text data bss dec hex filename
987088 485 7296 994869 f2e35 busybox_old
987079 485 7296 994860 f2e2c busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_parse_stmt 2276 2271 -5
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_parse_expr 2151 2178 +27
bc_parse_exprs 60 - -60
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(add/remove: 0/1 grow/shrink: 2/0 up/down: 27/-60) Total: -33 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_parse_operator 181 184 +3
bc_parse_ops 50 25 -25
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(add/remove: 0/0 grow/shrink: 1/1 up/down: 3/-25) Total: -22 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_num_d 564 584 +20
bc_num_r 230 245 +15
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 35/0) Total: 35 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_num_k 990 988 -2
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_num_k 971 990 +19
bc_num_p 507 478 -29
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(add/remove: 0/0 grow/shrink: 1/1 up/down: 19/-29) Total: -10 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This might help compiler
function old new delta
bc_num_k 957 971 +14
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_lex_token 1285 1299 +14
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_lex_token 1251 1285 +34
bc_POSIX_does_not_allow_bool_ops_this_is_bad - 25 +25
bc_POSIX_does_not_allow_empty_X_expression_in_for - 20 +20
bc_POSIX_does_not_allow - 20 +20
bc_parse_expr 2146 2151 +5
bc_num_ulong 103 92 -11
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(add/remove: 3/0 grow/shrink: 2/1 up/down: 104/-11) Total: 93 bytes
text data bss dec hex filename
987210 485 7296 994991 f2eaf busybox_old
987084 485 7296 994865 f2e31 busybox_unstripped
^^^^^^^
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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FILE:
print 1
print "
$ busybox bc -q FILE
bc: FILE:2: string end could not be found
ready for more input
>>> _
function old new delta
bc_verror_msg - 99 +99
bc_lex_file 12 28 +16
bc_lex_next 77 92 +15
dc_lex_token 687 701 +14
bc_lex_token 1237 1251 +14
bc_posix_error_fmt 90 58 -32
bc_error_fmt 70 36 -34
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(add/remove: 1/0 grow/shrink: 4/2 up/down: 158/-66) Total: 92 bytes
text data bss dec hex filename
987108 485 7296 994889 f2e49 busybox_old
987210 485 7296 994991 f2eaf busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_vec_pushZeroByte - 10 +10
bc_vm_run 1919 1917 -2
bc_vec_string 61 59 -2
bc_vec_concat 68 66 -2
bc_parse_create 170 168 -2
bc_lex_number 298 296 -2
dc_lex_token 691 687 -4
bc_read_line 314 303 -11
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(add/remove: 1/0 grow/shrink: 0/7 up/down: 10/-25) Total: -15 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Examples:
On stdin, no file name is available:
$ echo 'print "' | busybox bc
bc: string end could not be found
When the same error is in file:
$ busybox bc FILE
bc 1.30.0.git
Copyright (c) 2018 Gavin D. Howard and contributors
Report bugs at: https://github.com/gavinhoward/bc
This is free software with ABSOLUTELY NO WARRANTY
FILE: string end could not be found
ready for more input
>>>
Line number printing to be added later...
function old new delta
bc_error_fmt 38 70 +32
bc_posix_error_fmt 60 90 +30
bc_vm_run 1900 1919 +19
bc_program_read 338 355 +17
bc_lex_file 15 12 -3
bc_program_stdin_name 8 - -8
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 4/1 up/down: 98/-11) Total: 87 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_lib_name 4 - -4
bc_vm_run 1921 1900 -21
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(add/remove: 0/1 grow/shrink: 0/1 up/down: 0/-25) Total: -25 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_posix_error_fmt - 60 +60
bc_error_fmt - 38 +38
bc_error_bad_character - 17 +17
bc_parse_auto 302 313 +11
bc_num_ulong 93 103 +10
bc_error_variable_is_wrong_type - 10 +10
bc_error_stack_has_too_few_elements - 10 +10
bc_error_nested_read_call - 10 +10
bc_error_bad_token - 10 +10
bc_error_bad_expression - 10 +10
bc_num_d 561 564 +3
bc_program_assign 484 486 +2
dc_parse_parse 60 59 -1
bc_program_num 1130 1129 -1
bc_program_call 367 366 -1
bc_parse_stmt 2277 2276 -1
bc_lex_number 299 298 -1
bc_lex_name 91 90 -1
bc_func_insert 98 97 -1
bc_num_shift 74 72 -2
bc_vm_run 1924 1921 -3
bc_parse_endBody 424 420 -4
bc_lex_next 81 77 -4
bc_program_read 343 338 -5
bc_program_asciify 469 464 -5
bc_program_pushVar 221 215 -6
bc_program_print 784 778 -6
bc_program_prep 99 93 -6
bc_program_assignStr 167 161 -6
bc_parse_else 143 137 -6
bc_parse_body 124 118 -6
dc_parse_register 61 53 -8
dc_lex_token 699 691 -8
bc_program_modexp 756 746 -10
bc_parse_name 593 581 -12
dc_parse_expr 775 762 -13
bc_program_copyToVar 336 323 -13
bc_program_binOpPrep 324 311 -13
bc_program_execStr 561 543 -18
bc_program_exec 4150 4132 -18
bc_parse_parse 483 464 -19
bc_error 38 14 -24
bc_lex_token 1266 1237 -29
bc_posix_error 60 14 -46
bc_parse_expr 2194 2146 -48
------------------------------------------------------------------------------
(add/remove: 8/0 grow/shrink: 4/33 up/down: 191/-345) Total: -154 bytes
text data bss dec hex filename
987226 485 7296 995007 f2ebf busybox_old
987072 485 7296 994853 f2e25 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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