Unix Programming
in [Programming]
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Forging IPv6 addresses? hello, i want to send a packet with a forged ipv6 address. i tried using sendmsg() with ancilliary data, but it seems I can only select an address that has been configured on my system. if I select an arbitrary ipv6 address that i want to forge, i get "can't assign requested address" (in freebsd) or "invalid arg... 18 Feb 2010 08:19
Opening file in user's home directory Hi, I'm returning to programming for UNIX/Linux in C after a break of 15 years, ouch, so apologies if this is a real newbie question. My code needs to fopen a config file in a user's home directory, I rapidly worked out that using "~/.config_file_name" was a no-no, as the '~' does not evaluate the same way ... 17 Feb 2010 08:50
IGMP snooping Hello as a personal academic project I'd like to implement IGMP snooping for a 24-port Layer2 switch (it already has Linux 2.4 ported). I have read RFC1112, 2236 and 4541. I generally understand the way IGMP works and what the snooping exactly does. Right now I'm not very much concerned about the performance... 15 Feb 2010 20:01
thanking Jonathan de Boyne Pollard for the HeliOS description Hi, I wanted to thank Jonathan de Boyne Pollard for his description of HeliOS in the "How do I send a fd over TCP?" thread. Date: Feb 6, 11:17 pm, Message-ID: <IU.D20100207.T041749.P15978.Q0(a)J.de.Boyne.Pollard.localhost>, URL: http://groups.google.com/group/comp.unix.programmer/msg/6c4156b19f35d3c5 I can't di... 13 Feb 2010 04:57
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I can't figure out how to trap ctrl-z/ctrl-c in the following In article <n6idnTzM7fBXFezWnZ2dnUVZ_sGdnZ2d(a)supernews.com>, Brian Bebeau <bbebeau(a)computer.org> writes: On 2/7/2010 11:43 AM, K-mart Cashier wrote: How would I go about trapping ctrl-c/ctrl-z in this case? You need to catch the SIGINT and SIGSTOP signals. You can't catch SIGSTOP, and that is also not ... 9 Feb 2010 12:49
I can't figure out how to trap ctrl-z/ctrl-c in the followingcode (warning:long code) On 2/7/2010 11:43 AM, K-mart Cashier wrote: I have a program that continuously reads in a text file. What I want to do is have the program exit when I press either ctrl-z or ctrl-c. How would I go about trapping ctrl-c/ctrl-z in this case? You need to catch the SIGINT and SIGSTOP signals. Set a flag in t... 9 Feb 2010 11:42
Can't static link with Xlib Hi I'm trying to create a static Xwin executable to send to someone to run on their netbook but when I try to do a static link of the modules of my program I get the following error: /usr/lib/gcc/i486-slackware-linux/4.3.3/../../../../i486-slackware-linux/bin/ld: cannot find -lX11 However I have set up the l... 9 Feb 2010 09:27
Send 802.2 frames as non-root user Right now I'm working on a Bacnet device simulator for Linux. Bacnet uses 802.2 frames to communicate (as well as other protocols, but 802.2 is the most straightforward to configure). On Windows I know it is possible to send ethernet frames - even on Win7 - without administrator rights. Right now my socket call... 9 Feb 2010 20:49
compiling C program containing Xutil functions I failed to compile that program as written below with those error messages : The conditions of compiling this program are not available any longer in the net so please help me compiling this program . Error messages : ------------------------ root @ Homer /export/home/unix.d/programs.d/clang.d/GUI>cc plot_data... 17 Feb 2010 02:15 |