Gpc

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5400 discussions

Octal string to Number
by Prof Abimbola Olowofoyeku 10 Sep '00

10 Sep '00

Hi all Does anyone have any code for converting an octal string to a numeric value? Thanks. Best regards, The Chief -------- Prof. Abimbola A. Olowofoyeku (The African Chief) Author of: Chief's Installer Pro v5.22.1 for Win32 http://www.bigfoot.com/~African_Chief/chief32.htm Email: African_Chief(a)bigfoot.com

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GDB pascal support.
by Pierre Muller 05 Sep '00

05 Sep '00

I now have committed into GDB CVS tree my main patches to add pascal support into the GNU Debugger. To test it out, simply go to sourceware.cygnus.com/gdb and see the CVS checkout instructions. I have an unsubmitted patch that would handle GNU Pascal TP like Strings better, but as my GNU Pascal knowledge is close to zero, I would like to know if someone is working with the CVS tree of GDB? Currently, only Free Pascal strings are printout in a pascalisch way, whereas GNU pascal strings are printed out as records. Pierre Muller Institut Charles Sadron 6,rue Boussingault F 67083 STRASBOURG CEDEX (France) mailto:muller@ics.u-strasbg.fr Phone : (33)-3-88-41-40-07 Fax : (33)-3-88-41-40-99

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using c++ libraries in pascal (NEWBIE)
by Menno Schaap 05 Sep '00

05 Sep '00

Hello, I am new to this list, so "HELLO TO EVERYBODY" About my programming subject: I am investigating for a small naval architectural bureau, If they can port their DOS/WIN pascal programs to linux. I am a student of naval architecture with small programming experience under Pascal and C++. The company also asked me to have a look at GUI toolkits and write a graphical subsystem for their pascal program. I would like to use QT for this purpose. I made some small tests already, and found out that the compatibility with GPC and Prospero extended pascal is sufficient (small problems). My problem is that I can not use a c++ library in my pascal program. For C everything works allright, but as soon as I compile with g++ I get errors. I also noticed that the assembler output of the compiler is different when compiling C or C++ sources. I tried compiling with gpc -x, etc. Still I run into problems. I use gpc based on egcs 1.1.2 as well as based on gcc 2.95.2 (on two different pc's). Attached is a small, very dumb test program, partially stolen from the excellent info pages of gpc. It consists of two files: add_one.c and test.pas test.pas is the program; it writes the number five, and lets the function number_pp add one (+1) to the number. It then displays number again. I compiled it in several ways, of which this one is the simplest: gcc -c add_one.c gpc -o test test.pas add_one.o If the first line is replaced with: g++ -c add_one.c line number two fails linking. Does anybody have an idea of how to use c++ libraries in pascal? Help is very much appreciated. Greetings, Menno Schaap

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From C To Pascal, Files
by Eike Lange 05 Sep '00

05 Sep '00

Hi alltogether! Its for the PostgreSQL-Unit. In C, I have a function: void printSomethingToFile(File* file); for which I want to write a wrapper. What I did was: ----------------- snip -------------- In C: void _p_printSomethingToFile(int file_descriptor) { FILE *myfile; myfile = fdopen(file_descriptor, "w"); /* if (errno != 0) printf("errno is %d\n"errno); */ printSomethingToFile(myfile); /* fflush(myfile); */ } Pascal (Unit-Part): Procedure CprintSomethingToFile(int file_descriptor); asmname '_p_printSomethingToFile'; Procedure PrintSomethingToFile(aFile : Text); Var fd : Integer; Begin fd := FileHandle(aFile); CprintSomethingToFile(fd) End; Pascal (Program) Var f : Text; Begin ... Assign(f, 'filename.out'); Rewrite(f); PrintSomethingToFile(f); Close(f); ... End. ----------------- snip -------------- Sometimes this works (especially, if I write a line of text _before_ I use PrintSomethingToFile) and sometimes it fails because errno is set to a value <> 0 after calling fdopen. If I use fflush(myfile) after (in C) printSomethingToFile(myfile) it seems to work. The text is written propely, but errno is <>0 ! errno is mostly set to "Bad File Descriptor". Is there something, I did wrong? Eike Lange

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Pascal-documentation in german language
by Eike Lange 05 Sep '00

05 Sep '00

Hi! I'm writing a documentation about "Pascal under Linux" and I think, I need some help :-) If you would like to join me, please try out http://www.eliotic.de/pasdoc/ and contact me: eike.lange(a)uni-essen.de Eike Lange

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Problem with ncurses 5.0
by Martin Liddle 31 Aug '00

31 Aug '00

We have some software written in gpc that uses ncurses and panel for screen output. Mainly for historical reasons we have our own GPC to C interface unit. All this worked at RedHat Linux 6.1. We have recently upgraded to RedHat 6.2 and it no longer works. The cursor sits somewhere in the bottom line of the screen (which is defined as a panel of height 1 line). The change that I suspect is significant between RedHat 6.1 and RedHat 6.2 is that 6.1 used ncurses 4.2 and 6.2 uses ncurses 5.0. I am afraid my knowledge of C is pretty much zero. However by using diff on the header files I only see one change that looks as though it might matter. In panel.h from ncurses 4.2 the definition is: extern PANEL *new_panel(WINDOW *) the corresponding ncurses 5.0 definition is extern PANEL* new_panel(WINDOW *) Our interface unit has function new_panel(win:WINDOW_PTR):PANEL_PTR; C_language; Is this correct for ncurses 5.0? Has anybody else had any problems with ncurses 5.0? -- Martin Liddle, Tynemouth Computer Services, 27 Garforth Close, Cramlington, Northumberland, England, NE23 6EW. Phone: 01670-712624. Fax: 01670-717324.

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GPC-20000813 snapshot fails to compile
by Andrew Stribblehill 31 Aug '00

31 Aug '00

Here's the tail end of the compile: /home/jeeves/package/gcc/gcc-2.95.2/gcc/p/gpi-hash.c:408: failed assertion rni == num_items' /home/jeeves/package/gcc/gcc-2.95.2/gcc/p/rts/error.pas:38: Internal compiler error in checked_mread', at gpi-hash.c:408 Please submit a full bug report. See <URL:http://www.gnu.org/software/gcc/faq.html#bugreport> for instructions. make[3]: *** [error.o] Error 1 make[3]: *** Waiting for unfinished jobs.... make[3]: Leaving directory /tmp/gcc-2.95.2-obj/gcc/p/rts' make[2]: *** [pascal.rts] Error 2 make[2]: Leaving directory /tmp/gcc-2.95.2-obj/gcc' make[1]: *** [bootstrap] Error 2 make[1]: Leaving directory /tmp/gcc-2.95.2-obj/gcc' make: *** [bootstrap] Error 2 % uname -a SunOS deneb 5.6 Generic_105181-06 sun4u sparc SUNW,Ultra-4 Thanks, Andrew Stribblehill Systems programmer, IT Service, University of Durham, England

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compiled units
by Haluk DUMAN 31 Aug '00

31 Aug '00

where i found compiled units(all) in /djgpp/lib/gcc-lib/djgpp/2.952/units/*.pas and/or how i can compile all units in /djgpp/lib/gcc-lib/djgpp/2.952/units/*.pas thanks. _________________________________________________ Haluk DUMAN Electric-Electronic Engineer Email: HalukDUMAN(a)go.to, HalukDUMAN(a)come.to (* Sorry for my English ; How can I help you? *)

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callow, GPC unit !
by Haluk DUMAN 30 Aug '00

30 Aug '00

i can't compile GPC unit in crtdemo.pas i make this := md \djgpp cd \djgpp pkunzip -d djdev203.zip pkunzip -d bnu2951.zip pkunzip -d gcc2952.zip pkunzip -d gpc-20000813.i586-pc-msdosdjgpp.zip set djgpp=c:\djgpp\djgpp.env cd \djgpp\bin copy \djgpp\doc\gpc\demos\crtdemo.pas {program CRTDemo; uses GPC, CRT; ...} gpc --automake -v crtdemo.pas -o crtdemo.exe results output error string := .............. /djgpp/lib/gcc-lib/djgpp/2.952/units/crtc.c:74: curses.h: no such file or directory (ENOENT) /djgpp/lib/gcc-lib/djgpp/2.952/units/crtc.c:75: panel.h: no such file or directory (ENOENT) i can't find curses.h and panel.h in any directory? what this error and how i can compile all units in /djgpp/lib/gcc-lib/djgpp/2.952/units/*.pas thanks. _________________________________________________ Haluk DUMAN Electric-Electronic Engineer Email: HalukDUMAN(a)go.to, HalukDUMAN(a)come.to (* Sorry for my English ; How can I help you? *)

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Upgrading agnes today
by Anja Drewitz 30 Aug '00

30 Aug '00

Hello, just wanted to let you know that we are going to upgrade Peter's computer agnes.dida.physik.uni-essen.de this evening (who is also the primary FTP server for gpc). Agnes will probably be offline for an hour or two. Best wishes, Anja -- Dipl.-Phys. Anja Drewitz * Universitaet Essen * Germany GnuPG: 0B8C 25A9 5A1B 8AA5 0235 E1E6 AD73 DC74 3504 B31F

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