non-root binary distribution - comp.lang.ruby

Message from discussion non-root binary distribution

nobu.nokada

View profile

More options Mar 4 2004, 11:40 am

Newsgroups: comp.lang.ruby

From: nobu.nok...@softhome.net

Date: Fri, 5 Mar 2004 01:35:44 +0900

Local: Thurs, Mar 4 2004 11:35 am

Subject: Re: non-root binary distribution

  Reply to author
  |
  Forward
  | Print
  | View thread
  | Show original
  | Report this message
  | Find messages by this author
  

Hi,

At Fri, 5 Mar 2004 00:51:39 +0900,
David Garamond wrote in [ruby-talk:94230]:

> Based on your suggestion, I've created a C wrapper like below. The real
> ruby is renamed to "ruby.real". Advice welcome, since this is probably
> only the 7th or 8th C program I've written, ever. :-)

I recommend static-linked binary after all. You'd have no merit
of shared library at all if you put the copy in each users'
space.

> #include <stdio.h>
> #include <errno.h>

> int main(int argc, char *argv[]) {
> static char binpath[512+5], libpath[512+6];

You'd better to get rid of magic numbers.

> p = (char *)getenv("LD_LIBRARY_PATH");
> if ((env = (char *)malloc(512+1+(p==NULL ? 0:strlen(p)))) == NULL) {
> fprintf(stderr, "malloc() failed: %s\n", strerror(errno));
> exit(1);
> }
> strcat(env, "LD_LIBRARY_PATH=");

Use strcpy instead of strcat here, content of malloc'ed area is
not guaranteed.

--
Nobu Nakada

Reply to author Forward