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
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