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13 Commits

Author SHA1 Message Date
Denys Vlasenko
ace81cd46c bc/dc: fix length(0) and length(0.000nnn) result 
function                                             old     new   delta
zxc_vm_process                                      6464    6498     +34

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-02-26 14:23:13 +01:00
Brian Foley
10509a70ee dc: Parse error & fix out of bounds read in xc_program_printString 
function                                             old     new   delta
xc_program_print                                     712     735     +23

Signed-off-by: Brian Foley <bpfoley@google.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-09-05 10:53:21 +02:00
Brian Foley
b64470be17 dc: Fix segfault when executing strings generated using asciify 
function                                             old     new   delta
zxc_vm_process                                      6884    6891      +7

Signed-off-by: Brian Foley <bpfoley@google.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-09-05 10:50:13 +02:00
Brian Foley
7454879a1d dc: execute shouldn't pop if stack head is not a string 
This matches the behaviour of both GNU dc (as specified in
its man page), and BSD dc (where stack_popstring() pops
only if the head is a string.)

Add a couple of tests to verify this behavior.

function                                             old     new   delta
zxc_vm_process                                      6882    6884      +2

Signed-off-by: Brian Foley <bpfoley@google.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-09-05 10:46:22 +02:00
Chen Qi
32c8ce4def dc.tests: fix two test case to also depend on DC_BIG 
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-04-19 12:30:11 +02:00
Denys Vlasenko
1db367a8e6 dc: fit returning of string 
function                                             old     new   delta
zxc_program_exec                                    4087    4098     +11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-01-04 06:18:00 +01:00
Denys Vlasenko
6842c6062a dc: fix '?' 
function                                             old     new   delta
zdc_parse_expr                                       470     479      +9
zxc_vm_process                                       839     814     -25
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 9/-25)             Total: -16 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2019-01-04 05:41:47 +01:00
Denys Vlasenko
1476760600 bc: rename config options 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-12-28 13:32:04 +01:00
Denys Vlasenko
8fac1c7740 dc: add two tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-12-25 20:50:41 +01:00
Denys Vlasenko
badf683b0a dc: unbreak interactive mode - was trying to get next tokens instead of executing 
function                                             old     new   delta
zbc_program_read                                       -     268    +268
zdc_program_printStream                                -     146    +146
zbc_program_exec                                    4046    4182    +136
zdc_program_execStr                                  472     512     +40
zdc_parse_exprs_until_eof                              -      26     +26
zbc_vm_process                                       740     765     +25
zbc_lex_next                                        2225    2240     +15
zdc_parse_expr                                       569     535     -34
zbc_program_pushArray                                147       -    -147
zdc_program_asciify                                  370       -    -370
------------------------------------------------------------------------------
(add/remove: 3/2 grow/shrink: 4/1 up/down: 656/-551)          Total: 105 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-12-22 18:10:50 +01:00
Denys Vlasenko
9a23b07c4c testsuite: add bc and dc tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-12-12 21:41:40 +01:00
Denys Vlasenko
a133137174 dc: fix testsuite 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-12-06 18:46:42 +01:00
Bernhard Reutner-Fischer
70e30e8eec dc: tweak parsing 
https://bugs.debian.org/538685
dc requires whitespace between language elements.

We were requiring
1 2 + p
instead of the abbreviated
1 2+p
(for example).

function                                             old     new   delta
stack_machine                                         97     126     +29
dc_main                                              117      79     -38
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 29/-38)             Total: -9 bytes

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-02-16 17:12:04 +01:00