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Hi,

Here is the scenario:

This file exists, with this ownership and group:
-rw-rw-r-- 1 picard starfleet 4 Jan 3 00:33 myfile.txt
Output of the 'id' command for user picard is:
...

hi,

i have a perl script that runs as a cron job... Once in a while, the perl
script fails with:

Can't locate <module>.pm in @INC (@INC contains: .............)

because one of the perl...

hi,

In bash,


$ bind -P | grep yank-last
yank-last-arg can be found on "\M-.", "\M-_".


this allows me to press ALT key and the period (.) to yank the last argument of
the previous...

hi,

Not sure what size to give. I increased it:


tmpptr = (char*) realloc (contents, lFileLen * sizeof(char) + 99);


but the above doesn't help.
the problem seems to be related to the...

hi,

I'm using gcc version 3.4.6 on a Red Hat system... (not sure how to determine version of glibc)
when i run the following, i get:


glibc detected *** realloc(): invalid next size:...

I see what i did wrong.
thank you all for your responses.

--Andrew

i mentioned in the code comment that this is only a demo and that 'id' is used in my real code.

anyway, i did a malloc() in main. this got rid of the coredump, but still
there are no values...

hi

how can I return multiple values from a C function. I tried the following:


#include <stdio.h>
void foo(int id, char *first_name, char *last_name)
{
/*
this is just an example to...

hi,

Thank you for the tip.

I am able to read in the contents of the "cmdline" file into a variable,
but when I try to print out the string, the output shows only characters before
the first...

thanks for the responses. I am able to get what i need now.

--Andrew

hi

The "ps" command shows the command line arguments of running processes:

$ /bin/ps -o pid,args -e
....
26031 pico /tmp/crontab2KaG1Y
596 /usr/lib/sendmail -bd -q15m
9955 xterm -n 1 -sb...

hi,

which Unix/C function can i use to retrieve all group names with a particular group id?

The following C code prints out the group id number of a particular group name:...

it shouldn't matter which user owns the directory. The user (target user) I'm running the command as
belongs to the same group that owns the directory, but the OS is not recognizing the
target...

thanks for the reply. However, your suggestion only works if all users
belong to a common group. If i wish to run a command as 'billybob' and 'billybob' doesn't belong to 'starfleet' group, I'll...

hi,

I wrote a C program (runas.c) that runs a command as a different user.
The problem I'm having is that the new user's group membership isn't going into
effect. Take the following...