Hi,
spc (Hope this helps) ----- > Great !!!!
The external program's (in C) working !!!!! Wonderfull !!!
Thank you very much to Brian, Eric and Sean
Ricardo
On Wed, Apr 29, 2009 at 4:17 PM, Sean Conner <s...@conman.org> wrote:
> It was thus said that the Great Brian Mearns once stated:
> > On Wed, Apr 29, 2009 at 1:58 PM, ricardo figueiredo
> > <ricardoogra...@gmail.com> wrote:
> > > Sorry,
> > >
> > > Let me explain my situation again.
> > > I'm using directive RewriteMap using external rewriting program.
> > > This program is developed in language C.
> > >
> > First of all, like Eric said yesterday, you need a loop in your main
> > function. The program is not invoked every time the rewrite needs to
> > be applied, it is started once when the Apache server starts, and just
> > gets a new line of input for each request to be mapped.
> >
> > Second, you need to terminate your output with a newline. Apparently,
> > apache gave up waiting for your program to give it a valid output (one
> > that is terminated by a newline) and decided to go with an empty
> > value, instead. Using fflush is probably a good idea, but you'll want
> > to make sure it's inside the loop, so the output gets flushed for
> > every mapping.
> >
> > To make this a proper program for this use, it should read an entire
> > line up to and including the linebreak (which Eric also said). I think
> > gets or fgets will do the job just fine, and then if you want to use
> > scanf, you can use sscanf to scan the string that you read with fgets.
> > Second, you'll want some way to terminate the loop, so it doesn't run
> > forever. I'm not sure exactly how this is normally handled (or maybe
> > apache even forcibly kills the program when it's done, but that's
> > unlikely). My best guess would be if you read an EOF on standard
> > input, you can quit.
>
> Avoid gets() and use fgets(). Heck, the program is easy enough:
>
> #include <stdio.h>
> #include <stdlib.h>
>
> int main(int argc,char *argv[])
> {
> char input[BUFSIZ];
> int id;
>
> while(fgets(input,BUFSIZ,stdin) != NULL)
> {
> id = strtol(input,NULL,10);
> switch(id)
> {
> case 111: fputs("/index.html",stdout); break;
> case 222: fputs("/new.html",stdout); break;
> case 333: fputs("/tests.php?var=4/8"); break;
> default: fputs("/bogusrequest.html"); break;
> }
> fputc('\n',stdout);
> fflush(stdout);
> }
> return EXIT_SUCCESS;
> }
>
> fgets() returns NULL on EOF, strtol() will do the conversion for you (I
> find
> it easier to use than scanf() but that's me) and I even added a case for an
> unexpected value.
>
> -spc (Hope this helps)
>
>
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>
--
Muito Obrigado
Ricardo
