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Re: fork & exec.



Amos, guys.
 
Maybe I did not make my self clear, 

When I do exec for /bin/tar the tar command is found and exec execute the tar.

For example:
------------

if (pid = fork() == 0) {
 execid = execl("/bin/tar", "tar", "cvf", "/dev/fdo", 0)
 perror("exec failed");
}
printf("exec passed\n");

the exec execute the tar and the exec passes OK.
No error is printed.
the massage : "exec passed" comes.

The problem is that if there is no disk in the drive or if there is no tar 
file in it then the tar failes!

This leads to no error from exec! beacuse exec passed.
and the massage "exec passed" comes, 

If I use the system command and tar failes I get an error masaage from tar.

For example:
------------

if (i = system("/bin/tar xvf /dev/fd0 > /tmp/TarList.txt") == 0)
  XtManageChild(SysToolOBJ.DialogGoodExpand_ExpandDevice);
else
 XtManageChild(SysToolOBJ.ErrorMsgExpandFailed_ExpandDevice);


I want to execute the same command with exec not system.
But I don't get the error massage from tar within exec.

HOW can I make it work with exec???

BTW. I understand that there are no jumpers on the social life meetings???

Thanks,
Asaf.


--------------------------------------------------------
Name   : Asaf Sabag NetManage - SQA Haifa
E-mail : Asaf Sabag <asaf@netmanage.co.il>
Date   : 11/05/96
Time   : 09:55:54

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