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From Piotr Suwala <on...@vp.pl>
Subject [users@httpd] writing modules - missing sources?
Date Sun, 13 Jan 2013 11:44:02 GMT
Hello.

I've got question for you concerned with writing modules for apache:
How can I start doing it? Where can I find any helpful info for this, tutorials about configuring
enviroment?

And here are my first tries:

These are my first tries but when I compile them by apxs or gcc I get this error:

/usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -prefer-pic -O2 -g -pipe -Wall
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic
 -DLINUX=2 -D_REENTRANT -D_GNU_SOURCE -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
-fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -pthread -I/usr/include/httpd
 -I/usr/include/apr-1   -I/usr/include/apr-1   -c -o mod.lo mod.c && touch mod.slo
mod.c: In function 'handler':
mod.c:15:1: warning: no return statement in function returning non-void [-Wreturn-type]
mod.c: In function 'x_register_hooks':
mod.c:20:7: error: dereferencing pointer to incomplete type
mod.c:20:21: error: dereferencing pointer to incomplete type
apxs:Error: Command failed with rc=65536
.


which goes from this code

#include "httpd/httpd.h" 
#include "httpd/http_config.h" 
#include "httpd/http_core.h" 
#include "httpd/http_log.h" 
#include "httpd/http_main.h" 
#include "httpd/http_protocol.h" 
#include "httpd/http_request.h" 
#include "httpd/util_script.h" 
#include "httpd/http_connection.h" 
 

static int handler(request_rec *r) 
{ 
    
}

static void x_register_hooks(apr_pool_t* tt) 
{ 
    ap_hook_handler(handler, NULL, NULL, APR_HOOK_FIRST );
    tt->in_header=tt->in_header;//this is that line 20!
    
}

module AP_MODULE_DECLARE_DATA hello_module = 
{       STANDARD20_MODULE_STUFF, 
        NULL, /* per-directory config creator */ 
        NULL, /* directory config merger */ 
        NULL, /* server config creator */ 
        NULL, /* server config merger */ 
        NULL, /* command table */ 
        x_register_hooks, /* other request processing hooks */                           
                                                                              
}; 



Any ideas how can I fix this?
Maybe I have wrong sources, can somebody supply me with adequate link?

What's interesting is that I can't find definition of apr_pool_t anywhere in sources, just
typedef apr_pool_t apr_pool_t;

Looking forward to responses.

Sincerely, Peter.

PS: I know that sources from httpd devel are in wrong directory on first, but I copied them
to the httpd sources folder. 
I'm writing on fedora.


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