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3041 discussions

Pike-Community: a new beginning
by Martin Baehr 27 Oct '03

27 Oct '03

hi, i have started work on the new pike community site. go check out http://steam.iaeste.at/pike/ how you can help: * find, upload and arrange content. * share design ideas (image or html mockups will do nicely) * make suggestions, anything you can think of. greetings, martin.

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There are no safeguards if Regexp.Regexp runs out of stack [3534]
by Martin Nilsson (saturator) ＠ Pike (-) developers forum 26 Oct '03

26 Oct '03

Is that a dup of 2764? / Martin Nilsson (saturator) Previous text: >2003-10-26 21:08: >Subject: There are no safeguards if Regexp.Regexp runs out of stack [3534] >-------------------------------------------------------------------- > > Product: Pike > Version: 7.4 > Component: Modules > Reporter: mast(a)roxen.com > URL: https://community.roxen.com/crunch/show_bug.cgi?id=3534 > >The following causes Regexp.Regexp to consume an arbitrary amount of stack. >The problem is that it's unchecked so that pike segfaults. > >> Regexp rx = Regexp( "(\"([^\"\\\\]|\\\\.)*\")" ); >> rx->split("\""+"x"*0xe800+"\""); >Segmentation fault (core dumped) > > > / Brevbäraren >

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pike fills a gap?
by Martin Baehr 25 Oct '03

25 Oct '03

hi, recently when describing pike i wrote the following: pike is a classical all purpose language, which contrary to php or perl was designed from the beginning to write large complex applications. pike is rather fast because it is optimized strongly for the individual machines. (the produced bytecode is machine dependant, (contrary to eg python and java which produce machine independant bytecode, and are therefore slower)) (i hope that is correct) interresting was a reply that said: ah. this language closes the gap between compilerlanguages and unoptimized interpreted languages. i have never looked at pike from this perspective sounds like an interresting observation. what do you think? greetings, martin.

2 4

newbee cvs question
by Peter Lundqvist (disjunkt) ＠ Pike (-) developers forum 25 Oct '03

25 Oct '03

Ok, so I'm about to do my first commit to cvs. It's been a while since I've used cvs other than localy, so I thought it'd be a good idea to ask a few questions first. I've never used cvs over ssh before - but I guess this ought to be the suitable thing for my bash-environment? export CVSROOT=:ext:username@pike.ida.liu.se:/cvs exprot CVS_RSH=ssh Do I need to check out a fresh tree using my username or can I continue with the anonymous tree that I've kept? Sorry for beeing lame.

3 2

mmx.h
by Mirar ＠ Pike developers forum 25 Oct '03

25 Oct '03

http://www.mirar.org/mmx.h.txt in case it's lost. :) Anyone that can figure out the license? /* mmx.h MultiMedia eXtensions GCC interface library for IA32. To use this library, simply include this header file and compile with GCC. You MUST have inlining enabled in order for mmx_ok() to work; this can be done by simply using -O on the GCC command line. Compiling with -DMMX_TRACE will cause detailed trace output to be sent to stderr for each mmx operation. This adds lots of code, and obviously slows execution to a crawl, but can be very useful for debugging. THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ANY PARTICULAR PURPOSE. 1997-99 by H. Dietz and R. Fisher Notes: It appears that the latest gas has the pand problem fixed, therefore I'll undefine BROKEN_PAND by default. */

2 4

mmx.h
by Johan Sundstr�m, Lysator ＠ Pike developers forum 25 Oct '03

25 Oct '03

I just received word from a (more) Gentoo person (than me) that it is worth looking for mmx.h as <asm/mmx.h>, in the pike configure scripts. Just posting a note here to make it less probable that it instantly gets forgotten about. :-)

3 4

CVS question
by Bill Welliver 24 Oct '03

24 Oct '03

I'm doing some with the SMTP code that David Gourdelier submitted to CVS, and I've got a logistics question. There are now a number of relatively different classes inside of that module, and I thought it would benefit from being split into multiple code files. The problem is that I need to delete the file SMTP.pmod and replace it with a directory of the same name. Is that going to create problems for people that already have the tree checked out (don't remember if I've ever done this myself). I won't do this until someone gives the OK on that, lest I create real problems. Bill

3 7

autoconf macros for pike
by Bill Welliver 24 Oct '03

24 Oct '03

I made some changes to the autoconf macro that is used to find a pike. It seems to work a little bit better, though it has one shortcoming I'd like to fix: if you specify a pike that's actually a symlink to another, it won't follow the symlink to determine what the actual filename is. This creates a problem when you install a new version of pike (which is a relatively common occurrence), and things stop working because the version has changed: /usr/local/bin/pike is actually /usr/local/pike/ver/bin/pike. Any thoughts about this? -- Specifically, I made some portability changes and added the ability to check for minimum and maximum pike versions. This macro makes it easier to get pike modules set up, as it sets a number of autoconf substitutions. Example in a configure.in/ac when this file is stored as aclocal.m4 in your project directory: AP_CHECK_PIKE(7.4.1, 7.4.999) to check for a version of pike that's between 7.4.1 and 7.4.999, and make sure it has a C include directory (where the headers and compile tools live). It sets the following variables/substitutions: PIKE - path to pike PIKE_VERSION - version of pike found (ie 7.4.10) PIKE_INCLUDE_DIRS - string to includes (ie -I /usr/local/pike/7.4.10/include/pike) PIKE_MODULE_DIR - path to pike modules directory (ie /usr/local/pike/7.4.10/lib/modules)0 I'd like to get some feedback on this, along with other suggestions for easing the creation of pike modules and applications. Thanks again! Bill -- H. William Welliver / Fairchild Semiconductor Mountain Top Systems email: bill.welliver(a)fairchildsemi.com / phone: 570.474.6761 x4445 cell: 570.262.7151

3 5

Defines and dumped modules
by Johan Sundstr�m, Lysator ＠ Pike developers forum 23 Oct '03

23 Oct '03

Are #ifdefs and similar define-dependent code intentionally stripped for dumped modules? I just recompiled a fresh 7.5 and noticed that I could not use -DHTTP_QUERY_DEBUG until I removed all .o files. :-7

5 9

Proposal-patch for documentation of Sql.pike
by Peter Lundqvist (disjunkt) ＠ Pike (-) developers forum 22 Oct '03

22 Oct '03

Oups. Lost a negation. BTW, I can't seem to find documentation for catch in the modref - where should I look for it? $ cvs diff -u Sql.pike Index: Sql.pike =================================================================== RCS file: /cvs/Pike/7.5/lib/modules/Sql.pmod/Sql.pike,v retrieving revision 1.68 diff -u -r1.68 Sql.pike --- Sql.pike 30 Jul 2003 02:30:33 -0000 1.68 +++ Sql.pike 21 Oct 2003 22:59:05 -0000 @@ -340,9 +340,16 @@ return ({sprintf(query,@args), b}); } -//! Send an SQL query to the underlying SQL-server. The result is returned -//! as an array of mappings indexed on the name of the columns. -//! Returns 0 if the query didn't return any result (e.g. INSERT or similar). +//! Send an SQL query to the underlying SQL-server. +//! Returns +//! @ol +//! @item +//! The result as an array of mappings indexed on the name +//! of the columns. +//! @item +//! 0 if the query didn't return any result (e.g. INSERT or similar). +//! @item +//! Throws an exception if the query fails. //! //! @param q //! Query to send to the SQL-server. This can either be a string with the @@ -359,8 +366,12 @@ //! the variable is used. //! //! @code -//! query("select foo from bar where gazonk=:baz", -//! ([":baz":"value"])) ) +//! mixed err = catch { +//! query("SELECT foo FROM bar WHEREe gazonk=:baz", +//! ([":baz":"value"])); +//! }; +//! if(!intp(err)) +//! werror("An error occured."); //! @endcode //! //! Binary values (BLOBs) may need to be placed in multisets.

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