Re: cd - in shell buffers does not work any more

[Pavel Janík]

[ This is for Kim, IMO. ]

   From: Francesco Potorti` <address@hidden>
   Date: Mon, 25 Mar 2002 10:50:39 +0100

   > emacs -q
   > M-x shell RET
   > C-d              --> signal 11

emacs -q -f shell -eval '(comint-delchar-or-maybe-eof 1)'

(gdb) run -q -f shell -eval '(comint-delchar-or-maybe-eof 1)'
Starting program: /usr/src/packages/BUILD/emacs-21.2.50/src/emacs -q -f shell 
-eval '(comint-delchar-or-maybe-eof 1)'

Program received signal SIGSEGV, Segmentation fault.
0x08158de3 in Fprocess_send_eof (process=405319612) at process.c:5438
5438      if (DATAGRAM_CONN_P (process))
(gdb) backtrace
#0  0x08158de3 in Fprocess_send_eof (process=405319612) at process.c:5438
#1  0x0812a29b in Ffuncall (nargs=1, args=0xbfffe924) at eval.c:2712
#2  0x0815106c in Fbyte_code (bytestr=944222300, vector=1212427224, maxdepth=2)
    at bytecode.c:709
#3  0x0812a7e7 in funcall_lambda (fun=1212414344, nargs=0, 
    arg_vector=0xbfffea28) at eval.c:2899
#4  0x0812a399 in Ffuncall (nargs=1, args=0xbfffea24) at eval.c:2769
#5  0x0815106c in Fbyte_code (bytestr=944222332, vector=1212539528, maxdepth=4)
    at bytecode.c:709
#6  0x0812a7e7 in funcall_lambda (fun=1212448224, nargs=1, 
    arg_vector=0xbfffead4) at eval.c:2899
#7  0x0812a4e5 in apply_lambda (fun=1212448224, args=1480755676, eval_flag=1)
    at eval.c:2821
#8  0x08129a7f in Feval (form=1480755684) at eval.c:2129
#9  0x0812a29b in Ffuncall (nargs=2, args=0xbfffec34) at eval.c:2712
#10 0x0815106c in Fbyte_code (bytestr=941816580, vector=1210253164, 
    maxdepth=11) at bytecode.c:709
#11 0x0812a7e7 in funcall_lambda (fun=1210252004, nargs=1, 
    arg_vector=0xbfffed58) at eval.c:2899
#12 0x0812a399 in Ffuncall (nargs=2, args=0xbfffed54) at eval.c:2769
#13 0x0815106c in Fbyte_code (bytestr=941802888, vector=1210239564, maxdepth=6)
    at bytecode.c:709
#14 0x0812a7e7 in funcall_lambda (fun=1210238320, nargs=0, 
---Type <return> to continue, or q <return> to quit---
    arg_vector=0xbfffee68) at eval.c:2899
#15 0x0812a399 in Ffuncall (nargs=1, args=0xbfffee64) at eval.c:2769
#16 0x0815106c in Fbyte_code (bytestr=941798356, vector=1210233956, maxdepth=5)
    at bytecode.c:709
#17 0x0812a7e7 in funcall_lambda (fun=1210233788, nargs=0, 
    arg_vector=0xbfffef24) at eval.c:2899
#18 0x0812a4e5 in apply_lambda (fun=1210233788, args=405319612, eval_flag=1)
    at eval.c:2821
#19 0x08129a7f in Feval (form=1480508668) at eval.c:2129
#20 0x080d4a6c in top_level_2 () at keyboard.c:1261
#21 0x08128825 in internal_condition_case (bfun=0x80d4a58 <top_level_2>, 
    handlers=405416076, hfun=0x80d47a8 <cmd_error>) at eval.c:1334
#22 0x080d4a9b in top_level_1 () at keyboard.c:1269
#23 0x081283b1 in internal_catch (tag=405377404, func=0x80d4a70 <top_level_1>, 
    arg=405319612) at eval.c:1094
#24 0x080d49d9 in command_loop () at keyboard.c:1230
#25 0x080d4554 in recursive_edit_1 () at keyboard.c:957
#26 0x080d4680 in Frecursive_edit () at keyboard.c:1013
#27 0x080d34c5 in main (argc=6, argv=0xbffff564, envp=0xbffff580)
    at emacs.c:1604
#28 0x4030c9ed in __libc_start_main () from /lib/libc.so.6

Current CVS.
-- 
Pavel Janík

Make sure all variables are initialised before use.
                  --  The Elements of Programming Style (Kernighan & Plaugher)