Pike-devel October 2002

pike-devel@lists.lysator.liu.se

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Split
by Peter Bortas ＠ Pike developers forum 09 Oct '02

09 Oct '02

What is stopping a split this weekend?

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_Image_JPEG and libjpeg...
by Xavier Beaudouin - Kiwi ＠ Pike developers forum 09 Oct '02

09 Oct '02

Hello, Seems that older jpeg libraries doesn't have full transformations options. Xenofarm show it on Sun4 platform (lysator.liu.se) as well as Cygwin platform. I've tryed to tinker a bit the autoconf to check for structures members, but it really seems that for old jpeglib we have to do more or desactivate _Image_JPEG support ? Personaly I don't want to desactivate this on "old" jpeglib platform, but this will maybe avoid ugly code ? /Xavier

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more debug?
by Honza (hop) Petrous ＠ Pike (-) developers forum 08 Oct '02

08 Oct '02

How I can get more detailed info about SIGSEGV problem in DVB module? The 'classic' way doesn't help me: [root@gandalf root]# gdb --args pike mp2out.pike 1979 GNU gdb 5.2-3mdk (Mandrake Linux) Copyright 2002 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i586-mandrake-linux-gnu"... (gdb) r Starting program: /usr/local/pike/7.3.56/bin/pike mp2out.pike 1979 Program received signal SIGSEGV, Segmentation fault. 0x083b6fe5 in ?? () (gdb) bt #0 0x083b6fe5 in ?? () #1 0x08087bd1 in mega_apply (type=APPLY_LOW, args=2, arg1=0x8356054, arg2=0x52) at /root/7.3-020923/src/interpret.c:1414 #2 0x08089418 in apply (o=0x8356054, fun=0x822bf68 "_main", args=2) at /root/7.3-020923/src/interpret.c:1717 #3 0x080f7fe6 in main (argc=3, argv=0xbffffa84) at /root/7.3-020923/src/main.c:721 #4 0x400b7082 in __libc_start_main () from /lib/i686/libc.so.6 (gdb)

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07 Oct '02

> 2002-10-06 13:42:28 (norrby) > Pike/7.3/COPYRIGHT, (+3/-0) (37 lines) > Added JPEG library copyright strings Why? jpeglib is not included in the source.

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maybe yes maybe not (jsut look on it) maybe can show me the way :)
by svenix_inbox 07 Oct '02

07 Oct '02

maybe someone can read this if have some little time there is nothing to do for those who know pike alot :) this is navigation trought pages as much records emited from sql as the pike draws little buttons to navigate trought pages so I want to put this in Roxen module to use it in any virtual server without pike script to prevent users to access pike scripts and crash my server :) for example it should look like this (I have tryed to make this module for Roxen but I cant do it something I do wrong, maybe somebody can help me. how exactly I need to write module for roxen to get result of this) <pagelist page="1" count="100" link="index.rxml?bla1=1&bla2=2" bgcolor="black" fgcolor="white" onbgcolor="white" onfgcolor="black"/> I have added to code file://taken from tag attribute// where should apear value from tag atributes like page="1" count="100" bgcolor="black" and so on also must restrict to use symbols from tag attribute values: ' " > < ` ? ! = - ; : (like bgcolor=";;,.":!#:!" strip off these bad symbols) <?pike int c; int imag; int inPage; int pages; int Page; int pages10; Page=(int)form.page; // not form but value from tag page="1" // inPage=(int)1; imag=(int)var.pcount; // not var but value from tag count="100" // pages=(int)(imag/inPage); pages10=(int)(Page-1)/10; if((imag%inPage)!=0) pages++; if(pages10-1>=0) { write (rxml("<gtext magic notrans bgcolor='//taken from tag attribute//' magic magic-fgcolor='//taken from tag attribute//' magic-bgcolor='//taken from tag attribute//' font='pike builtin' border='0' href=\"//taken from tag attribute//&page="+(string)(pages10*10-9)+"\"> prev </gtext> ")); } if(Page-1>=1) { write (rxml(" <gtext magic notrans bgcolor='//taken from tag attribute//' magic magic-fgcolor='//taken from tag attribute//' magic-bgcolor='//taken from tag attribute//' font='pike builtin' border='0' href=\"//taken from tag attribute//&page="+(string)(Page-1)+"\"> << </gtext>   ")); } for(c=(pages10*10+1);(c<=(pages10+1)*10)&&(c<=pages);c++) { write (rxml("<if match=\""+(string)(c)+" == &var.page;\"><gtext notrans fgcolor='//taken from tag attribute//' bgcolor='//taken from tag attribute//' font='pike builtin' border='0' href=\"//taken from tag attribute//&page="+(string)(c)+"\">"+(string)(c)+" </gtext></if><else><gtext notrans bgcolor='//taken from tag attribute//' magic magic-fgcolor='//taken from tag attribute//' magic-bgcolor='//taken from tag attribute//' font='pike builtin' border='0' href=\"//taken from tag attribute//&page="+(string)(c)+"\">"+(string)(c)+" </gtext></else>    ")); } if((Page+1)*1<=pages) { write (rxml("<gtext magic notrans bgcolor='//taken from tag attribute//' magic magic-fgcolor='//taken from tag attribute//' magic-bgcolor='//taken from tag attribute//' font='pike builtin' border='0' href=\"//taken from tag attribute//&page="+(string)(Page+1)+"\"> >> </gtext>")); } if((pages10+1)*10<=pages) { write (rxml("<gtext magic notrans bgcolor='//taken from tag attribute//' magic magic-fgcolor='//taken from tag attribute//' magic-bgcolor='//taken from tag attribute//' font='pike builtin' border='0' href=\"//taken from tag attribute//&page="+(string)(pages10*10+11)+"\"> next </gtext>")); } ?> so is it possible to add this to module so I can add this module to some virtual server and use it in html page to get this out on page of course at first ther is need to count records from sql and calclulate them this is too need to be a differend module like <get_rcount from='sample,ads where sample.adsid=ads.id and ads.kat1="&form.kat1:mysql;" and ads.kat2="&form.kat2:mysql;" '> <?pike int cols=0; string st; float size=(float)rxml("<emit source=sql query='select count(*) as \"adm\" // value taken from tag get_rcount // '>&sql.adm;</emit>"); if ((int)var.page >ceil((size / 18))) var.page=(int)ceil((size / 18)); if ( (int)var.page < 1) var.page = 1; var.skiprows=((int)var.page -1)*18; var.pcount=(string)(int)ceil((float)(size / 18)); var.adsize=((string)(int)size); ?> later this is used by this next tag pagelist and then results used and added to this tag <pagelist page="&form.page;" count="&var.record_count;" link="index.rxml?bla1=1&bla2=2" bgcolor="black" fgcolor="white" onbgcolor="white" onfgcolor="black"/> and in page it should look like this <set variable="var.sqlz" value="&var.sql;"/> <if variable="form.page"> <set variable="var.page" value="&form.page;"/> </if> <else> <set variable="var.page" value="1"/> </else> <set variable="var.skiprows" value=""/> <set variable="var.last" value=""/> <get_rcount from='sample,ads where sample.adsid=ads.id and ads.kat1="&form.kat1:mysql;" and ads.kat2="&form.kat2:mysql;" '> <emit source="sql" query='select * from 'sample,ads where sample.adsid=ads.id and ads.kat1="&form.kat1:mysql;" and ads.kat2="&form.kat2:mysql;" limit &var.skiprows;,18'> blabla data maka hdjad </emit> <pagelist page="&form.page;" count="&var.record_count;" link="index.rxml?bla1=1&bla2=2" bgcolor="black" fgcolor="white" onbgcolor="white" onfgcolor="black"/>

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Pike autodocs scripts, a helping hand, please?
by Marek Habersack (Grendel) ＠ Pike (-) developers forum 04 Oct '02

04 Oct '02

Just one, little question :) - is there any documentation about the meaning of the tags/attributes in refdoc/structure/modref.xml? I'm trying to make autodocs work on Caudium tree and I'm having problems with one subtree where the documentation extracted from this sample tree: Cache.pmod/Client.pike Storage.pmod/Client.pike Is merged in a flat fashion (the sub_module.xml files from those dirs are merged as if they were in one directory) which generates a 'Duplicate class' error. I imagine it has something to do with the structure defined in modref.xml (or, rather, it's Caudium equivalent) - I'd really, really appreciaty any hints and help on that one. :) TIA

1 0

COFF...
by Marcus Comstedt (ACROSS) (Hail Ilpalazzo!) ＠ Pike (-) developers forum 02 Oct '02

02 Oct '02

I started looking at why the Gz module won't load on W*ndows with dynamic modules, while most others (such as Regexp) do. DLDEBUG had the following to say: First the Regexp module (which works): dlopen(z:/home/peter/hack/Pike/7.3/build/microsoft-windows-xp-5.1.2600-x86/lib/modules/___Regexp.so,0) filesize(z:/home/peter/hack/Pike/7.3/build/microsoft-windows-xp-5.1.2600-x86/lib/modules/___Regexp.so) filesize(z:/home/peter/hack/Pike/7.3/build/microsoft-windows-xp-5.1.2600-x86/lib/modules/___Regexp.so) Opening file: z:/home/peter/hack/Pike/7.3/build/microsoft-windows-xp-5.1.2600-x86/lib/modules/___Regexp.so Reading ... tmp=0 len=17764 x=17764 errno=2 Done reading dl_load_file dl_loadcoff dl_load_coff_files(01325BE0,00EDBDBC,1) DL: counting DL: 16dcb28 20 0 40 DL: section[0,0], 1536 bytes, align=16 (0x60500020) DL: section[0,1], 518 bytes, align=4 (0xc0300040) DL: section[0,2], 6080 bytes, align=16 (0x60500020) DL: section[0,3], 804 bytes, align=4 (0xc0300040) DL: section[0,4], 36 bytes, align=4 (0xc0300080) DLINFO(113): -defaultlib:uuid.lib -defaultlib:LIBCMT -defaultlib:OLDNAMES -export:_pike_module_exit -export:_pike_module_init Parse link info ptr=0 Parse link info ptr=0 len=20 '-default' Parse link info ptr=21 Parse link info ptr=21 len=18 '-default' Parse link info ptr=40 Parse link info ptr=40 len=20 '-default' Parse link info ptr=61 Parse link info ptr=61 len=25 '-export:' Parse link info ptr=87 Parse link info ptr=87 len=25 '-export:' Parse link info done. DL: allocating 1360 bytes DL: Got 1360 bytes RWX memory at 00380000 alloc_htable(29) DL: moving code DL: section[0]=00390000 { 260, 1536 } DL: section[1]=00380000 { 2956, 518 } DL: section[2]=00390600 { 3484, 6080 } DL: section[3]=00380208 { 13254, 804 } DL: section[4]=0038052C { 0, 36 } DL: data->symbol_addresses=00391DC0 DL: exporting symbols (169) DL: exporting _pike_module_exit -> 00390000 [...] Ok, looks fine. Now Gz: dlopen(z:/home/peter/hack/Pike/7.3/build/microsoft-windows-xp-5.1.2600-x86/test-install/pike/7.3.56/lib/modules/Gz.so,0) filesize(z:/home/peter/hack/Pike/7.3/build/microsoft-windows-xp-5.1.2600-x86/test-install/pike/7.3.56/lib/modules/Gz.so) filesize(z:/home/peter/hack/Pike/7.3/build/microsoft-windows-xp-5.1.2600-x86/test-install/pike/7.3.56/lib/modules/Gz.so) Opening file: z:/home/peter/hack/Pike/7.3/build/microsoft-windows-xp-5.1.2600-x86/test-install/pike/7.3.56/lib/modules/Gz.so Reading ... tmp=0 len=144 x=144 errno=0 Done reading dl_load_file dl_loadcoff dl_load_coff_files(042945F0,00EDACBC,1) DL: counting DL: 42944d0 20 0 40 DLINFO(84): /DEFAULTLIB:"uuid.lib" -defaultlib:uuid.lib -defaultlib:LIBCMT -defaultlib:OLDNAMES Parse link info ptr=0 Parse link info ptr=0 len=22 '/DEFAULT' Parse link info ptr=23 Parse link info ptr=23 len=0 ' -defaul' Parse link info ptr=24 Parse link info ptr=24 len=20 '-default' Parse link info ptr=45 Parse link info ptr=45 len=18 '-default' Parse link info ptr=64 Parse link info ptr=64 len=20 '-default' Parse link info done. DL: allocating 0 bytes DL: Got 0 bytes RWX memory at 00000000 alloc_htable(1) DL: moving code DL: exporting symbols (0) DL: resolving [...] Now, there are two things wrong with this picture. First, there is no "-export:_pike_module_exit -export:_pike_module_init" in the DLINFO. Second, and even more alarming: Not a single symbol is found in the file. Ok, now running strings on the Gz.so to see if the symbols are actually missing or of it's only dlopen.c which fails to read them: [marcus@danae modules]$ strings -a Gz/module.so |less .drectve /DEFAULTLIB:"uuid.lib" -defaultlib:uuid.lib -defaultlib:LIBCMT -defaultlib:OLDNAMES [marcus@danae modules]$ Hm. That's it?? Suspicion starts to dawn. [marcus@danae modules]$ ls -l Gz/module.so -rw-rw-r-- 1 peter peter 144 Sep 24 16:33 Gz/module.so [marcus@danae modules]$ Right. I think it's safe to say that not only are the symbols missing, the actual code is too. Runnings strings on Gz/zlibmod.o shows that the symbols are there at least, so it's the linking that has failed. The buildlog only says Making Gz make[5]: Entering directory `/mnt/aphraelraid/home/peter/hack/xenofarm/client/pike/vmwarexp.bortas.org/buildtmp/Pike7.3-20020924-135500/build/microsoft-windows-xp-5.1.2600-x86/modules/Gz' Compiling /mnt/aphraelraid/home/peter/hack/xenofarm/client/pike/vmwarexp.bortas.org/buildtmp/Pike7.3-20020924-135500/src/modules/Gz/zlibmod.c Linking Gz Pike Win32 partial linker. $Id: pntld,v 1.14 2002/09/12 17:11:40 peter Exp $ Written by Fredrik Hubinette 2000 - 2001 Creating module.so make[5]: Leaving directory `/mnt/aphraelraid/home/peter/hack/xenofarm/client/pike/vmwarexp.bortas.org/buildtmp/Pike7.3-20020924-135500/build/microsoft-windows-xp-5.1.2600-x86/modules/Gz' so no clues there. The only difference I can see in the Makefiles for Regexp and Gz is that Gz has MODULE_LDFLAGS= -R/lib -L/lib -R/usr/local/lib -L/usr/local/lib -R/usr/X11R6/lib -L/usr/X11R6/lib -lshell32 -lkernel32 -lws2_32 -ladvapi32 -lm while Regexp just has MODULE_LDFLAGS= -R/lib -L/lib -R/usr/local/lib -L/usr/local/lib -R/usr/X11R6/lib -L/usr/X11R6/lib but I don't think that's the problem, since Gmp has virtually the same MODULE_LDFLAGS as Gz (including all the -lshell32 etc) and that module works. What's going on here? Hubbe?

10 22

Pike/Xeno farm result page ?
by Xavier Beaudouin - Kiwi ＠ Pike developers forum 02 Oct '02

02 Oct '02

Looking for the new result page from Xenofarm. Where it is ? I really like to know if 'BSD works or not... :p /Xavier

4 3

Autoconf macros and aclocal
by Niels M�ller () ＠ Pike (-) developers forum 01 Oct '02

01 Oct '02

In theory, I think the best way is to do as follows: When hacking XML2-support (or whatever support) for pike, copy the XML2-recommended m4 macros into aclocal.m4 or some other file included into configure.in in one way or another. Check all that into the Pike cvs. configure.in should be system independent, and should use the same macros no matter if XML2 happens to be installed at buildtime or not. Is there any reason that can't work? / Niels Möller () Previous text: >2002-08-29 22:42: >Subject: Autoconf macros and aclocal >-------------------------------------------------------------------- >Guys, what's the policy about using the aclocal .m4 macro files provided >with some libraries (like GTK+, XML2 etc.)? Should I include the macro in >the src/aclocal.m4 or just put the AM_* macro right in the configure.in and >rely on the .m4 file presence on the system where Pike is compiled/exported? > > / Marek Habersack (Grendel) >

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Pike-devel October 2002