Re: [Bug-apl] Segfault in PrintBuffer

[Juergen Sauermann]

Hi Kacper,

thanks, fixed in SVN 275.

/// Jürgen


On 05/19/2014 09:08 AM, Kacper Gutowski wrote:

Apparently, when array contains a big number that is to be displayed
in exponential notation, the whole column containing it is printed
with exponent.  If array of mixed type has char and such big number
in the same column, PrintBuffer segfaults on it:


       +X←?2 3 3⍴100
40 18 54
19 66 55
55 60 37

29 40 52
63 71 28
22 91  2
       X[2;2;2]←1e10 ◊ X
40 1.8E1  54
19 6.6E1  55
55 6.0E1  37

29 4.0E1  52
63 1.0E10 28
22 9.1E1   2
       X[1;1;1]←'a' ◊ X
  a 1.8E1  54
19 6.6E1  55
55 6.0E1  37

29 4.0E1  52
63 1.0E10 28
22 9.1E1   2
       X[1;1;2]←'b' ◊ X
get_height():        '7' at PrintBuffer.cc:336
w=9*
w=12*
w=12*
w=9*
w=12*
w=12*
w=12*
*ab54*
*196.6E155*
*556.0E137*
**
*294.0E152*
*631.0E1028*
*229.1E12*

==============================================================================
Assertion failed: is_rectangular()
in Function:      PrintBuffer
in file:          PrintBuffer.cc:341

Call stack:

----------------------------------------
-- Stack trace at PrintBuffer.cc:341
----------------------------------------
0x7fa0206ffb45 __libc_start_main
0x435855  main
0x5291ed   Workspace::immediate_execution(bool)
0x464f6d    Command::process_line()
0x463da3     Command::process_line(UCS_string&)
0x46e418      Executable::execute_body() const
0x4e37c0       StateIndicator::run()
0x49107a        Prefix::reduce_statements()
0x48f6a0         Prefix::reduce_END_B__()
0x4e6d30          StateIndicator::statement_result(Token&)
0x525ecb           Value::print(std::ostream&) const
0x4b498d            PrintBuffer::PrintBuffer(Value const&, PrintContext const&)
0x4439af             do_Assert(char const*, char const*, char const*, int)
========================================

SI stack:

Depth:    0
Exec:     0xfb9d70
Pmode:    ◊  X[1;1;2]←'b' ◊ X
PC:       13 RETURN_STATS
Stat:     X
err_code: 0x0
thrown:   at StateIndicator.cc:41
e_msg_1:  'No Error'
e_msg_2:  ''
e_msg_3:  ''


==============================================================================


====================================================
SEGMENTATION FAULT

----------------------------------------
-- Stack trace at main.cc:122
----------------------------------------
0x7fa0206ffb45 __libc_start_main
0x435855  main
0x5291ed   Workspace::immediate_execution(bool)
0x464f6d    Command::process_line()
0x463da3     Command::process_line(UCS_string&)
0x46e418      Executable::execute_body() const
0x4e37c0       StateIndicator::run()
0x49107a        Prefix::reduce_statements()
0x48f6a0         Prefix::reduce_END_B__()
0x4e6d30          StateIndicator::statement_result(Token&)
0x525ecb           Value::print(std::ostream&) const
0x4b498d            PrintBuffer::PrintBuffer(Value const&, PrintContext const&)
0x443957             do_Assert(char const*, char const*, char const*, int)
0x500cbc              TestFiles::assert_error()
0x7fa022656890
0x47dfda
========================================
====================================================



-k