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From traw...@apache.org
Subject cvs commit: httpd-2.0/modules/mappers mod_so.c
Date Fri, 19 Apr 2002 18:31:20 GMT
trawick     02/04/19 11:31:20

  Modified:    .        CHANGES
               modules/mappers mod_so.c
  Log:
  Trigger an error when a LoadModule directive attempts to
  load a module which is built-in.  This is a common error when
  switching from a DSO build to a static build.
  
  Revision  Changes    Path
  1.717     +4 -0      httpd-2.0/CHANGES
  
  Index: CHANGES
  ===================================================================
  RCS file: /home/cvs/httpd-2.0/CHANGES,v
  retrieving revision 1.716
  retrieving revision 1.717
  diff -u -r1.716 -r1.717
  --- CHANGES	19 Apr 2002 14:04:29 -0000	1.716
  +++ CHANGES	19 Apr 2002 18:31:19 -0000	1.717
  @@ -1,5 +1,9 @@
   Changes with Apache 2.0.36
   
  +  *) Trigger an error when a LoadModule directive attempts to
  +     load a module which is built-in.  This is a common error when
  +     switching from a DSO build to a static build.  [Jeff Trawick]
  +
     *) Change instdso.sh to use libtool --install everywhere and then
        clean up some stray files and symlinks that libtool leaves around
        on some platforms.  This gets subversion building properly since
  
  
  
  1.49      +40 -0     httpd-2.0/modules/mappers/mod_so.c
  
  Index: mod_so.c
  ===================================================================
  RCS file: /home/cvs/httpd-2.0/modules/mappers/mod_so.c,v
  retrieving revision 1.48
  retrieving revision 1.49
  diff -u -r1.48 -r1.49
  --- mod_so.c	16 Mar 2002 18:26:57 -0000	1.48
  +++ mod_so.c	19 Apr 2002 18:31:20 -0000	1.49
  @@ -220,6 +220,7 @@
       /* 
        * check for already existing module
        * If it already exists, we have nothing to do 
  +     * Check both dynamically-loaded modules and statically-linked modules.
        */
       sconf = (so_server_conf *)ap_get_module_config(cmd->server->module_config, 
   	                                        &so_module);
  @@ -233,6 +234,45 @@
               return NULL;
           }
       }
  +
  +    for (i = 0; ap_preloaded_modules[i]; i++) {
  +        const char *preload_name;
  +        apr_size_t preload_len;
  +        apr_size_t thismod_len;
  +
  +        modp = ap_preloaded_modules[i];
  +
  +        /* make sure we're comparing apples with apples
  +         * make sure name of preloaded module is mod_FOO.c
  +         * make sure name of structure being loaded is FOO_module
  +         */
  +
  +        if (memcmp(modp->name, "mod_", 4)) {
  +            continue;
  +        }
  +
  +        preload_name = modp->name + strlen("mod_");
  +        preload_len = strlen(preload_name) - 2;
  +
  +        if (strlen(modname) <= strlen("_module")) {
  +            continue;
  +        }
  +        thismod_len = strlen(modname) - strlen("_module");
  +        if (strcmp(modname + thismod_len, "_module")) {
  +            continue;
  +        }
  +
  +        if (thismod_len != preload_len) {
  +            continue;
  +        }
  +
  +        if (!memcmp(modname, preload_name, preload_len)) {
  +            return apr_pstrcat(cmd->pool, "module ", modname,
  +                               " is built-in and can't be loaded",
  +                               NULL);
  +        }
  +    }
  +
       modi = apr_array_push(sconf->loaded_modules);
       modi->name = modname;
   
  
  
  

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