Do you mind sending the output of `ulimit -a` ran once as root and once as
the user you're running the code with.
On 4/5/07, Ala'a Ibrahim <[EMAIL PROTECTED]> wrote:
>
> thanks Yaman,
> the error code it's returning is 12, which is Cannot allocate memory.
> I checked the ram there is 2 GB free there, and the folder is not that
> huge.
>
> On 4/5/07, Yaman Saqqa <[EMAIL PROTECTED]> wrote:
>
> > Let's start by modifying the code to check errno after the NULL returns
> > to figure out what exactly is the error.
> >
> > On 4/5/07, Ala'a Ibrahim < [EMAIL PROTECTED]> wrote:
> > >
> > > Hi All,
> > > I'm having this problems, a couple of days ago, one of the servers
> > > started to have some problems with readdir, I've written this code to
> > > test:
> > > #include <sys/types.h>
> > > #include <dirent.h>
> > > #include <string.h>
> > > #include <stdlib.h>
> > > #include <stdio.h>
> > >
> > > int thruDirectories (char *dirName) {
> > > DIR *directory;
> > > struct dirent *fileData;
> > > char newdirname[5000] = "";
> > > size_t leng;
> > > directory = opendir(dirName);
> > > while(fileData = readdir(directory)) {
> > > if(fileData->d_name[0] == '.') {
> > > continue;
> > > }
> > > if(fileData->d_type == 4) {
> > > leng = strlen(dirName) + strlen(fileData->d_name) + 2;
> > > newdirname[0]='\0';
> > > strcat(newdirname,dirName);
> > > strcat(newdirname,"/");
> > > strcat(newdirname,fileData->d_name);
> > > fprintf(stderr,"dirname is %s\n" ,newdirname);
> > > thruDirectories(newdirname);
> > > continue;
> > > }
> > > fprintf(stderr,"%s/%s\n",dirName,fileData->d_name );
> > > }
> > > closedir(directory);
> > > return 0;
> > > }
> > >
> > > main() {
> > > thruDirectories("Desktop");
> > > }
> > >
> > > this code is supposed to go through a directory, parse it's print it's
> > > content, if it's a directory, recursively parse it again.
> > > now if you are root, everything works fine.
> > > any other user, some of the subdirectories would not get parsed due to
> > > that readdir is returning NULL the first time it gets in (it even doesn't
> > > get the '.' and '..' folders).
> > >
> > > and yes I've checked the files permissions, ulimit, glibc, and now I'm
> > > out of ideas. and the problem only started a couple of days ago, it was
> > > running fine before. running the original code on other servers doesn't
> > > have
> > > a problem
> > > anybody have a clue ... please help me out. as now the only solution I
> > > have is to back up the server, and reinstall Linux, and I'm hoping not to
> > > reach that point.
> > >
> > > --
> > > Ala'a A. Ibrahim
> > > http://guru.alaa-ibrahim.com/
> > >
> > >
> >
> >
> > --
> > abulyomon
> >
> > www.KiLLTHeUPLiNK.com
> >
> >
>
>
> --
> Ala'a A. Ibrahim
> http://guru.alaa-ibrahim.com/
> >
>
--
abulyomon
www.KiLLTHeUPLiNK.com
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