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3044 discussions

Installing include files for modules
by Martin Stjernholm, Roxen IS ＠ Pike developers forum 03 May '03

03 May '03

Ian Carr-de Avelons PikeVideo module needs to include some header files in the Image module. With the current third-party module system that gets tricky. How about installing the include files for modules too? Should all be distributed or only some?

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Re: sort
by Martin Nilsson (har bott i google) ＠ Pike (-) developers forum 02 May '03

02 May '03

I added one test when I changed sort function, but backed it out when it didn't work on all platforms.

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Wrong?
by Martin Nilsson (har bott i google) ＠ Pike (-) developers forum 30 Apr '03

30 Apr '03

Isn't it wrong that PIKEFUN object function_object(function|program func) translates into > typeof(function_object); (1) Result: function(function(mixed ... : void | mixed) : object)

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pthread_cancel and Mac OS X 10.2.5 ?
by Xavier Beaudouin 29 Apr '03

29 Apr '03

Hi there, Seems that current Mac OS X 10.2.5 has a new call pthread_cancel. According to fink-devel mailing list this call exist in headers and librarys but they are non working and non supported by Apple. Now I am asking myself if Pike use it ? If so can we add a check for that and avoid to use it under Mac OS 10.2.x ? Thanks, /Xavier

2 2

Strange?
by Martin Nilsson (har bott i google) ＠ Pike (-) developers forum 29 Apr '03

29 Apr '03

Isn't this a bit strange? > String.count("",""); (9) Result: 1 > String.count(" ",""); (10) Result: 0 > String.count(" ",""); (11) Result: 1 > String.count(" ",""); (12) Result: 2 I could understand the series {1,2,3,4}, {-1,0,1,2} and {0,0,1,2} though.

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sort
by Johan Sundstr�m (folksk�dare) ＠ Pike (-) developers forum 29 Apr '03

29 Apr '03

Pike's sort is not stable.

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Array.flatten
by Martin Nilsson (har bott i google) ＠ Pike (-) developers forum 28 Apr '03

28 Apr '03

In order to not escalate the CVS war, I'll present my solution for how to deal with cyclic arrays in Array.flatten here: //! Flatten a multi-dimensional array to a one-dimensional array. //! @trows //! @[flatten] throws an error if @[a] is cyclic. array flatten(array a) { array ret=({}); multiset seen = (<>); void low_flatten(array aa) { foreach(aa, mixed b) if(arrayp(b)) { if(!sizeof([array]b)) continue; if(seen[b]) error("Trying to flatten a cyclic array.\n"); seen[b]=1; low_flatten([array]b); } else ret += ({ b }); }; low_flatten(a); return ret; } (aside from the fact the programs like the one below hangs pike) void foo() { void bar(array i) { error("gazonk\n"); }; array a = ({ 0 }); a[0]=a; bar(a); }

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How does this work?
by Marcus Agehall (Tr�dl�s) ＠ Pike (-) developers forum 27 Apr '03

27 Apr '03

Yesterday I checked in a patch for the MySql module which corrected the prototype for Mysql.mysql.create(). The reason I found that broken prototype, was that when fiddeling with the mysqls dbtype (see checkins from yesterday) the Sql module failed to compile since Sql.mysqls (which inherits Sql.mysql) overloads create(). The compilation failure was due to too many arguments passed to Mysql.mysql.create(). How can it be that that prototype has been broken for quite some time and Sql.mysql hasn't failed to compile? Can someone enlighten me a bit on how this works? The feeling I got from the problem, is that it might be some weird bug, but it might also be that I fail to see the difference in the inheritance.

1 0

Canonical order function
by Martin Stjernholm, Roxen IS ＠ Pike developers forum 26 Apr '03

26 Apr '03

The new ADT interface and the new multisets use a function that works like `< to define order while Array.sort_array uses `>. This inconsistency is silly and should be resolved one way or the other. So I ask for opinions which operator you'd like to see as the canonical ordering function in Pike. Reasons to choose `>: o No compatibility issue with Array.sort_array (it's not a compatibility problem to change it for multisets and in Petas ADT interface since those haven't been released). o It maps somewhat better to a three-way compare: If a < b: cmp(a, b) == -1 (a > b) == 0 If a == b: cmp(a, b) == 0 (a > b) == 0 If a > b: cmp(a, b) == 1 (a > b) == 1 <= Same sign. C.f: If a < b: cmp(a, b) == -1 (a < b) == 1 <= Opposite sign. If a == b: cmp(a, b) == 0 (a < b) == 0 If a > b: cmp(a, b) == 1 (a < b) == 0 Reasons to choose `<: o The operator < is almost always used in mathematics to describe order relations, not >. Thus it feels more natural, at least for me.

1 0

Valgrind
by Marcus Agehall (Tr�dl�s) ＠ Pike (-) developers forum 26 Apr '03

26 Apr '03

I seem to have trouble running pike under valgrind on a RedHat 7.3 system. I get the following when using --valgrind: /home/agehall/Pike/7.5/build/linux-2.4.18-27.7.xsmp-i686/master.pike:332: Bad type in assignment. /home/agehall/Pike/7.5/build/linux-2.4.18-27.7.xsmp-i686/master.pike:332: Expected: mapping(string:multiset(string)) /home/agehall/Pike/7.5/build/linux-2.4.18-27.7.xsmp-i686/master.pike:332: Got : int(-1..-1) /home/agehall/Pike/7.5/build/linux-2.4.18-27.7.xsmp-i686/master.pike:1026: Class definition failed. /home/agehall/Pike/7.5/build/linux-2.4.18-27.7.xsmp-i686/master.pike:1130: Must return a value for a non-void function. /home/agehall/Pike/7.5/build/linux-2.4.18-27.7.xsmp-i686/master.pike:1187: Class definition failed. /home/agehall/Pike/7.5/build/linux-2.4.18-27.7.xsmp-i686/master.pike:1189: Class definition failed. /home/agehall/Pike/7.5/build/linux-2.4.18-27.7.xsmp-i686/master.pike:1285: Must return a value for a non-void function. /home/agehall/Pike/7.5/build/linux-2.4.18-27.7.xsmp-i686/master.pike:1323: Class definition failed. /home/agehall/Pike/7.5/build/linux-2.4.18-27.7.xsmp-i686/master.pike:1688: Class definition failed. /home/agehall/Pike/7.5/build/linux-2.4.18-27.7.xsmp-i686/master.pike:2560: Class definition failed. /home/agehall/Pike/7.5/build/linux-2.4.18-27.7.xsmp-i686/master.pike:3083: Class definition failed. /home/agehall/Pike/7.5/build/linux-2.4.18-27.7.xsmp-i686/master.pike:3139: Class definition failed. ERROR: Compilation failed. Running pike outside of valgrind works just fine. It's a newly compiled but not installed Pike 7.5 (fresh from CVS) that I'm trying to run. Any ideas on how to get it to work?

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