[Lazarus] strange linux problem
Hi all, I'm trying to write a small utility program to clean up a LOT of files on a network drive. This is using Debian 7.2, and a recent svn version of Lazarus (I actually use fpcup to do the downloads and builds). The information on the 'About' page is version 1.3, date 2014-02-12, fpc version 2.6.3, svn revision 44027, x86_64-linux-gtk 2 This may well be a lack of experience with Linux programming on my part, but it has me baffled. The program I've written needs to do a bunch of chmods and/or deletes on the files on the network drive. Stepping through with the debugger, some, but not all, of the attempted chmods return a status of -1. Some, but not all, of the calls to sysutils.deletefile return false. What is puzzling me is that if, instead of calling fpchmod and sysutils.deletefile I instead call fpsystem and do the operations that way, it works. I can also run up a command prompt and do the failed operations that way with no problem. The files on the network drive are all owned by me, the chmod is trying to set permissions to 644 rather than 777. The delete is just deleting a whole bunch of log files which got mixed up in there when the data was copied to the drive. I have no idea why the above should happen, it makes no sense to me, but as I said, I'm still a relative novice as regards coding for Linux. Everything is being run from the same account. Can anybody point me in the right direction? Thanks, Brian. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] strange linux problem
On Wed, 19 Feb 2014 03:46:51 -0500 brian br...@meadows.pair.com wrote: [...] on a network drive. This is using Debian 7.2, and a recent svn version of Lazarus (I actually use fpcup to do the downloads and builds). The information on the 'About' page is version 1.3, date 2014-02-12, fpc version 2.6.3, svn revision 44027, x86_64-linux-gtk 2 [...] chmods and/or deletes on the files on the network drive. Stepping through with the debugger, some, but not all, of the attempted chmods return a status of -1. Some, but not all, of the calls to sysutils.deletefile return false. What is puzzling me is that if, instead of calling fpchmod and sysutils.deletefile I instead call fpsystem and do the operations that way, it works. I can also run up a command prompt and do the failed operations that way with no problem. [...] Is it reproducable on the same file? Can you give an example file name? What kind of network share? Special characters, wrong encoding, server lock, faulty network. Mattias -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Attn Martin, LazarusDir and FPCSourceDirectory not saved to environmentoptions.xml
On Fri, 14 Feb 2014 23:21:51 -0800 (PST) leledumbo leledumbo_c...@yahoo.co.id wrote: Anyway I now see, that there is an invalid identifier: NiceChartD7. I added check. Please test. Tested and working. So, what the code would do now if such an invalid identifier occurs? It does not save it. I have to find out, where the space is coming from. Mattias -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Getting help for a type if its unit is not in uses
On 02/18/2014 10:40 PM, Graeme Geldenhuys wrote: Simply run: docview file1+file2+file_n or docview path_to_INF_docs or docview ENV_variable_of_path_or_files I was trying o use Docview integrated in in the Lazarus IDE. This is fact worked rather nicely with multiple files. I seem to remember that there were some issues (AFAIR, you intended to solve some of them :-) ) -Michael -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] strange linux problem
On 02/19/2014 04:07 AM, Mattias Gaertner wrote: On Wed, 19 Feb 2014 03:46:51 -0500 brian br...@meadows.pair.com wrote: [...] on a network drive. This is using Debian 7.2, and a recent svn version of Lazarus (I actually use fpcup to do the downloads and builds). The information on the 'About' page is version 1.3, date 2014-02-12, fpc version 2.6.3, svn revision 44027, x86_64-linux-gtk 2 [...] chmods and/or deletes on the files on the network drive. Stepping through with the debugger, some, but not all, of the attempted chmods return a status of -1. Some, but not all, of the calls to sysutils.deletefile return false. What is puzzling me is that if, instead of calling fpchmod and sysutils.deletefile I instead call fpsystem and do the operations that way, it works. I can also run up a command prompt and do the failed operations that way with no problem. [...] Is it reproducable on the same file? On the basis of two examples of each, yes. Can you give an example file name? Two of the files which failed to delete are unknown.mp4 and video_ts.vob. Two files where the attempt to chmod them failed are The_Buddhas_Instruction_to_his_son.mp4 and Yogis_Of_Tibet_Rare_Documentary.mp4 In all cases, the full paths are made up of ['A'..'Z','a'..'z','0'..'9','_'] only (well, also '/' and '.', obviously!) What kind of network share? It's a Western Digital 4TB My Cloud drive, with the shared /nfs directory on the drive mounted to a root-level directory on my PC. Nobody else is using the drive - I've only two PCs on the LAN, and my wife's machine was switched off. The drive is hanging off one of the ports of my four-port Linksys router. Special characters, wrong encoding, server lock, faulty network. Definitely not the first. I've written out the full paths to a log file, and they are correct - editing the logs and putting an 'ls ' in front of the file names provides the expected results. The drive is powered down overnight, and I'm the only user, so I can't see how there could be a server lock unless there's something wrong with the drive. I've seen nothing else to indicate a faulty router. I know this all sounds crazy. I wouldn't have believed it had I not been seeing it for myself. The only thing I could come up with (and the reason for my post here) was that single-stepping under the debugger somehow caused the problem. I'm not asking anybody to do any amount of research on this - it's trivial for me to tweak the program so that it writes commands to a file rather than tries to run the chmods and deletes, and I can just run the resulting file from the CLI. Brian. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] strange linux problem
On Wed, 19 Feb 2014 08:42:40 -0500 brian br...@meadows.pair.com wrote: On 02/19/2014 04:07 AM, Mattias Gaertner wrote: [...] On Wed, 19 Feb 2014 03:46:51 -0500 Special characters, wrong encoding, server lock, faulty network. Definitely not the first. I've written out the full paths to a log file, and they are correct - editing the logs and putting an 'ls ' in front of the file names provides the expected results. The drive is powered down overnight, and I'm the only user, so I can't see how there could be a server lock unless there's something wrong with the drive. I've seen nothing else to indicate a faulty router. I know this all sounds crazy. I wouldn't have believed it had I not been seeing it for myself. The only thing I could come up with (and the reason for my post here) was that single-stepping under the debugger somehow caused the problem. Does that mean, it only appears when single stepping in the debugger? Have you checked fpgeterrno? Mattias -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] strange linux problem
brian wrote: On 02/19/2014 04:07 AM, Mattias Gaertner wrote: On Wed, 19 Feb 2014 03:46:51 -0500 brian br...@meadows.pair.com wrote: [...] on a network drive. This is using Debian 7.2, and a recent svn version of Lazarus (I actually use fpcup to do the downloads and builds). The information on the 'About' page is version 1.3, date 2014-02-12, fpc version 2.6.3, svn revision 44027, x86_64-linux-gtk 2 [...] chmods and/or deletes on the files on the network drive. Stepping through with the debugger, some, but not all, of the attempted chmods return a status of -1. Some, but not all, of the calls to sysutils.deletefile return false. What is puzzling me is that if, instead of calling fpchmod and sysutils.deletefile I instead call fpsystem and do the operations that way, it works. I can also run up a command prompt and do the failed operations that way with no problem. [...] Is it reproducable on the same file? On the basis of two examples of each, yes. Can you give an example file name? Two of the files which failed to delete are unknown.mp4 and video_ts.vob. Two files where the attempt to chmod them failed are The_Buddhas_Instruction_to_his_son.mp4 and Yogis_Of_Tibet_Rare_Documentary.mp4 In all cases, the full paths are made up of ['A'..'Z','a'..'z','0'..'9','_'] only (well, also '/' and '.', obviously!) Check permissions/ownership of those files, and ownership/permissions of the directory containing them. Oh, and make sure that they're not actually symlinks to something unexpected, and that nothing's got them open (lsof command). -- Mark Morgan Lloyd markMLl .AT. telemetry.co .DOT. uk [Opinions above are the author's, not those of his employers or colleagues] -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] strange linux problem
SAMBA share? IIRC there is some problem/bug with SMB that can cause problems with fpc. Bart -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Getting help for a type if its unit is not in uses
On Tue, Feb 18, 2014 at 09:40:38PM +, Graeme Geldenhuys wrote: But I never was able to generate the files for DocView from the current revisions of the SVNs. Last time I tried (a couple months back) the LCL docs wasn't in a state that could be built - or it was a fpdoc bug not yet resolve. I'll update to the latest and see if things are better now. They should be. I routinely build lcl.chm a couple a times an year, but usually have to run the script to generate some XML files because the LCL build scripts use wildcards to generate the fpdoc cmdline. IOW, new pas files without docs break the build out of the box. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] strange linux problem
On 2/19/2014 8:42 AM, brian wrote: [...] Definitely not the first. I've written out the full paths to a log file, and they are correct - editing the logs and putting an 'ls ' in front of the file names provides the expected results. The drive is powered down overnight, and I'm the only user, so I can't see how there could be a server lock unless there's something wrong with the drive. I've seen nothing else to indicate a faulty router. have you tried adding at least a 1/4th second up to maybe a 1 second sleep just to try to ensure that it isn't a bottleneck somewhere? it could be the samba stuff... my XP machine used to drop its samba shares on a FreeNAS (bsd) any time there was a huge amount of traffic (copying several hundred megs of randomly sized small files, copying one huge [up to 2G] file, and similar) between the XP box and the NAS... the only way to regain access to the NAS was to reboot the XP box... no other machines exhibited this problem... it was finally solved when the XP box ate itself for lunch one day :/ -- NOTE: No off-list assistance is given without prior approval. Please keep mailing list traffic on the list unless private contact is specifically requested and granted. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
[Lazarus] lazbuild access violation
Hello, sorry for the raw bug report, but current lazbuild.exe compiled from svn trunk doesn't work, calling: \freepascal\laz\1.3\lazbuild.exe --pcp=\freepascal\lazarus project1.lpi it generates the following error: --- SetPrimaryConfigPath NewValue=\freepascal\lazarus - x:\freepascal\lazarus primary config path: x:\freepascal\lazarus\ An unhandled exception occurred at $004CDEBD : EAccessViolation : Access violation $004CDEBD TBASECOMPILEROPTIONS__MAKEOPTIONSSTRING, line 2834 of compileroptions.pp $004CD77B TBASECOMPILEROPTIONS__MAKEOPTIONSSTRING, line 2435 of compileroptions.pp $00507630 TLAZPACKAGEGRAPH__GETPACKAGECOMPILERPARAMS, line 699 of x:/freepascal/laz/1.3/packager/packagesystem.pas $0050DE66 TLAZPACKAGEGRAPH__CHECKIFCURPKGOUTDIRNEEDSCOMPILE, line 3059 of x:/freepascal/laz/1.3/packager/packagesystem.pas $0050D233 TLAZPACKAGEGRAPH__CHECKIFPACKAGENEEDSCOMPILATION, line 2961 of x:/freepascal/laz/1.3/packager/packagesystem.pas $00518AAF TLAZPACKAGEGRAPH__COMPILEPACKAGE, line 3415 of x:/freepascal/laz/1.3/packager/packagesystem.pas $0051872E TLAZPACKAGEGRAPH__COMPILEREQUIREDPACKAGES, line 3340 of x:/freepascal/laz/1.3/packager/packagesystem.pas $00404965 STARTBUILDING, line 796 of lazbuild.lpr $004046A7 TLAZBUILDAPPLICATION__BUILDPROJECT, line 968 of lazbuild.lpr $00402869 TLAZBUILDAPPLICATION__BUILDFILE, line 412 of lazbuild.lpr $0040809E TLAZBUILDAPPLICATION__RUN, line 1415 of lazbuild.lpr $0040A2B6 main, line 1698 of lazbuild.lpr --- I've tried to debug lazbuild.lpi and at line 2834 of compileroptions.pp CompilerFilename:=LazarusIDE.GetFPCompilerFilename; I've found that LazarusIDE is nil. Last change has been made yesterday by Mattias and I don't know if this part is still under development and will be reworked soon: http://svn.freepascal.org/cgi-bin/viewvc.cgi/trunk/ide/compileroptions.pp?root=lazarusr1=44122r2=44141pathrev=44172 What do you think? Is it necessary to open a new bugtracker issue? Thank you for reading! Sandro -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] lazbuild access violation
On Wed, 19 Feb 2014 19:59:24 +0100 Sandro Cumerlato sandro.cumerl...@gmail.com wrote: Hello, sorry for the raw bug report, but current lazbuild.exe compiled from svn trunk doesn't work, calling: \freepascal\laz\1.3\lazbuild.exe --pcp=\freepascal\lazarus project1.lpi it generates the following error: --- SetPrimaryConfigPath NewValue=\freepascal\lazarus - x:\freepascal\lazarus primary config path: x:\freepascal\lazarus\ An unhandled exception occurred at $004CDEBD : EAccessViolation : Access violation $004CDEBD TBASECOMPILEROPTIONS__MAKEOPTIONSSTRING, line 2834 of compileroptions.pp Fixed. Mattias -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
[Lazarus] View Graphic File
Hi all, A noob question, I have trouble trying to port an existing vb.net snippet to pascal. Can anyone provide a code snippet where we can download and view a file from a Database? A binary(jpeg/pdf file) was uploaded to a database table. The code will just download the file uploaded and view it. In vb.net this can be done: / if conn.State = ConnectionState.Closed Then conn.Open()// //sql = Select binfile from graphicfiles WHERE id= id// // //cmd = New NpgsqlCommand(sql, conn)// // //Dim fileData As Byte() = DirectCast(cmd.ExecuteScalar(), Byte())// // //Dim sTempFileName As String = Path.GetTempPath \ sFileName// // //If Not fileData Is Nothing Then// // //'Read image data into a file stream // //Using fs As New FileStream(sTempFileName, FileMode.OpenOrCreate, FileAccess.Write)// //fs.Write(fileData, 0, fileData.Length)// //'Set image variable value using memory stream. // //fs.Flush()// //fs.Close()// //End Using// // //Process.Start(sTempFileName) 'Open file// // //End If// / Thanks,, Allan smime.p7s Description: S/MIME Cryptographic Signature -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
