Thanks. Can I use this with vim72 from SVN or do I have to get vim7.3?
Cheers!
On 5/26/2010 9:32 AM, Dominique Pellé wrote:
reckoner wrote:
Hi,
When I try to complete using C-N or C-P in insert mode, I routinely get a
crash. I just download the latest svn
...snip...
and here is the call stack from VisualStudio 2008:
gvim.exe!ins_compl_add_infercase(unsigned char * str=0x0283a8d3, int
len=1, int icase=1, unsigned char * fname=0x0285c118, int dir=1, int
flags=0) Line 2280 + 0x18 bytes C
gvim.exe!ins_compl_files(int count=40, unsigned char * *
files=0x0285c1d0, int thesaurus=1, int flags=1, regmatch_T *
regmatch=0x0012f740, unsigned char * buf=0x0283a898, int * dir=0x0012f730)
Line 3062 + 0x29 bytes C
gvim.exe!ins_compl_dictionaries(unsigned char *
dict_start=0x0222d1fa, unsigned char * pat=0x028403e0, int flags=1, int
thesaurus=1) Line 2964 + 0x21 bytes C
gvim.exe!ins_compl_get_exp(pos_T * ini=0x007d6c0c) Line 4042 + 0xd2
bytes C
gvim.exe!ins_compl_next(int allow_get_expansion=1, int count=1, int
insert_match=1) Line 4439 + 0xa bytes C
gvim.exe!ins_complete(int c=14) Line 5072 + 0x21 bytes C
gvim.exe!edit(int cmdchar=105, int startln=0, long count=1) Line
1348 + 0x9 bytes C
gvim.exe!invoke_edit(cmdarg_S * cap=0x0012fb80, int repl=0, int
cmd=105, int startln=0) Line 8911 + 0x14 bytes C
gvim.exe!nv_edit(cmdarg_S * cap=0x0012fb80) Line 8884 + 0x14 bytes
C
gvim.exe!normal_cmd(oparg_S * oap=0x0012fc1c, int toplevel=1) Line
1188 + 0x12 bytes C
gvim.exe!main_loop(int cmdwin=0, int noexmode=0) Line 1211 + 0xb
bytes C
gvim.exe!VimMain() Line 955 + 0x9 bytes C
I can also reproduce an invalid read& write memory access with Vim-7.3a
(271a5907f944) with the thesaurus completion& 'infercase'. It happens
when the word typed is longer than a completion match. Error is in the
same function as where crash was reported: ins_compl_add_infercase().
==8665== Invalid read of size 4
==8665== at 0x8067252: ins_compl_add_infercase (edit.c:2282)
==8665== by 0x80684DF: ins_compl_files (edit.c:3060)
==8665== by 0x8068252: ins_compl_dictionaries (edit.c:2963)
==8665== by 0x8069DA8: ins_compl_get_exp (edit.c:4031)
==8665== by 0x806A993: ins_compl_next (edit.c:4439)
==8665== by 0x806BBDB: ins_complete (edit.c:5072)
==8665== by 0x8065CAC: edit (edit.c:1348)
==8665== by 0x812FEBA: invoke_edit (normal.c:8912)
==8665== by 0x812FE60: nv_edit (normal.c:8885)
==8665== by 0x8123AB7: normal_cmd (normal.c:1188)
==8665== by 0x80E71DC: main_loop (main.c:1216)
==8665== by 0x80E6CD3: main (main.c:960)
==8665== Address 0x4fe53dc is 0 bytes after a block of size 12 alloc'd
==8665== at 0x4024F70: malloc (vg_replace_malloc.c:236)
==8665== by 0x81144F6: lalloc (misc2.c:919)
==8665== by 0x8114413: alloc (misc2.c:818)
==8665== by 0x8066FBD: ins_compl_add_infercase (edit.c:2208)
==8665== by 0x80684DF: ins_compl_files (edit.c:3060)
==8665== by 0x8068252: ins_compl_dictionaries (edit.c:2963)
==8665== by 0x8069DA8: ins_compl_get_exp (edit.c:4031)
==8665== by 0x806A993: ins_compl_next (edit.c:4439)
==8665== by 0x806BBDB: ins_complete (edit.c:5072)
==8665== by 0x8065CAC: edit (edit.c:1348)
==8665== by 0x812FEBA: invoke_edit (normal.c:8912)
==8665== by 0x812FE60: nv_edit (normal.c:8885)
(more errors after that)
Steps to reproduce:
1) Download a thesaurus file:
$ wget http://www.gutenberg.org/dirs/etext02/mthes10.zip
$ unzip mthes10.zip
Archive: mthes10.zip
inflating: aaREADME.txt
inflating: roget13a.txt
inflating: mthesaur.txt
2) Run:
$ valgrind vim -u NONE --noplugin \
-c 'set infercase ignorecase thesaurus=mthesaur.txt' \
-c 'call feedkeys("iEXAMPLE\<c-x>\<c-t>")' 2> vg.log
3) Observe errors in vg.log
Attached patch fixes it.
-- Dominique
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