while( fossil_isdigit(zList[0]) ) zList++;
    if( zList[0]==',' ) zList++;
  }
  return;
}

/*
** WEBPAGE: builtin loadavg-exempt
**
** Return one of many built-in content files.  Query parameters:
**
**    name=FILENAME       Return the single file whose name is FILENAME.
**    mimetype=TYPE       Override the mimetype in the returned file to
**                        be TYPE.  If this query parameter is omitted
**                        (the usual case) then the mimetype is inferred

/*
** SETTING: chat-alert-sound     width=10
**
** This is the name of the builtin sound file to use for the alert tone.
** The value must be the name of a builtin WAV file.
*/
/*
** WEBPAGE: chat loadavg-exempt
**
** Start up a browser-based chat session.
**
** This is the main page that humans use to access the chatroom.  Simply
** point a web-browser at /chat and the screen fills with the latest
** chat messages, and waits for new one.
**

  }else{
    CX("}");
  }
  fossil_free(zTime);
}

/*
** WEBPAGE: chat-send hidden loadavg-exempt
**
** This page receives (via XHR) a new chat-message and/or a new file
** to be entered into the chat history.
**
** On success it responds with an empty response: the new message
** should be fetched via /chat-poll. On error, e.g. login expiry,
** it emits a JSON response in the same form as described for

    zOut = chat_format_to_html(g.argv[i]);
    fossil_print("[%d]: %s\n", i, zOut);
    fossil_free(zOut);
  }
}

/*
** WEBPAGE: chat-poll hidden loadavg-exempt
**
** The chat page generated by /chat using an XHR to this page to
** request new chat content.  A typical invocation is:
**
**     /chat-poll/N
**     /chat-poll?name=N
**

  db_finalize(&q1);
  blob_append(&json, "\n]}", 3);
  cgi_set_content(&json);
  return;      
}

/*
** WEBPAGE: chat-fetch-one hidden loadavg-exempt
**
** /chat-fetch-one/N
**
** Fetches a single message with the given ID, if available.
**
** Options:
**

  }else{
    ajax_route_error(404,"Chat message #%d not found.", msgid);
  }
  db_finalize(&q);
}

/*
** WEBPAGE: chat-download hidden loadavg-exempt
**
** Download the CHAT.FILE attachment associated with a single chat
** entry.  The "name" query parameter begins with an integer that
** identifies the particular chat message. The integer may be followed
** by a / and a filename, which will indicate to the browser to use
** the indicated name when saving the file.
*/

  db_blob(&r, "SELECT file FROM chat WHERE msgid=%d", msgid);
  cgi_set_content_type(zMime);
  cgi_set_content(&r);
}


/*
** WEBPAGE: chat-delete hidden loadavg-exempt
**
** Delete the chat entry identified by the name query parameter.
** Invoking fetch("chat-delete/"+msgid) from javascript in the client
** will delete a chat entry from the CHAT table.
**
** This routine both deletes the identified chat entry and also inserts
** a new entry with the current timestamp and with:

  unsigned int eCmdFlags;  /* Flags */
};

/***************************************************************************
** These macros must match similar macros in mkindex.c
** Allowed values for CmdOrPage.eCmdFlags.
*/
#define CMDFLAG_1ST_TIER     0x0001     /* Most important commands */
#define CMDFLAG_2ND_TIER     0x0002     /* Obscure and seldom used commands */
#define CMDFLAG_TEST         0x0004     /* Commands for testing only */
#define CMDFLAG_WEBPAGE      0x0008     /* Web pages */
#define CMDFLAG_COMMAND      0x0010     /* A command */
#define CMDFLAG_SETTING      0x0020     /* A setting */
#define CMDFLAG_VERSIONABLE  0x0040     /* A versionable setting */
#define CMDFLAG_BLOCKTEXT    0x0080     /* Multi-line text setting */
#define CMDFLAG_BOOLEAN      0x0100     /* A boolean setting */
#define CMDFLAG_RAWCONTENT   0x0200     /* Do not interpret POST content */
/* NOTE:                     0x0400 = CMDFLAG_SENSITIVE in mkindex.c! */
#define CMDFLAG_HIDDEN       0x0800     /* Elide from most listings */
#define CMDFLAG_LDAVG_EXEMPT 0x1000     /* Exempt from load_control() */
/**************************************************************************/

/* Values for the 2nd parameter to dispatch_name_search() */
#define CMDFLAG_ANY         0x0038      /* Match anything */
#define CMDFLAG_PREFIX      0x0200      /* Prefix match is ok */

#endif /* INTERFACE */

/*
** Abort the current page request if the load average of the host
** computer is too high. Admin and Setup users are exempt from this
** restriction.
*/
void load_control(void){
  double mxLoad = atof(db_get("max-loadavg", 0));
#if 1
  /* Disable this block only to test load restrictions */
  if( mxLoad<=0.0 || mxLoad>=load_average() ) return;

  login_check_credentials();
  if(g.perm.Admin || g.perm.Setup){
    return;
  }
#endif

  style_set_current_feature("test");
  style_header("Server Overload");
  @ <h2>The server load is currently too high.
  @ Please try again later.</h2>
  @ <p>Current load average: %f(load_average()).<br />
  @ Load average limit: %f(mxLoad)</p>

      }
    }
  }

  /* At this point, the appropriate repository database file will have
  ** been opened.
  */


  /*
  ** Check to see if the first term of PATH_INFO specifies an
  ** alternative skin.  This will be the case if the first term of
  ** PATH_INFO begins with "draftN/" where N is an integer between 1
  ** and 9. If so, activate the skin associated with that draft.
  */

#endif
    {
      @ <h1>Server Configuration Error</h1>
      @ <p>The database schema on the server is out-of-date.  Please ask
      @ the administrator to run <b>fossil rebuild</b>.</p>
    }
  }else{
    if(0==(CMDFLAG_LDAVG_EXEMPT & pCmd->eCmdFlags)){
      load_control();
    }
#ifdef FOSSIL_ENABLE_JSON
    static int jsonOnce = 0;
    if( jsonOnce==0 && g.json.isJsonMode!=0 ){
      assert(json_is_bootstrapped_early());
      json_bootstrap_late();
      jsonOnce = 1;
    }

  ** /forumXYZ CSS into one file, all /setupXYZ into another, etc. As
  ** of this writing, doing so would only shave a few kb from
  ** default.css. */
  fossil_free(zFile);
}

/*
** WEBPAGE: style.css loadavg-exempt
**
** Return the style sheet.   The style sheet is assemblied from
** multiple sources, in order:
**
**    (1)   The built-in "default.css" style sheet containing basic defaults.
**
**    (2)   The page-specific style sheet taken from the built-in

#include <assert.h>
#include <string.h>

/***************************************************************************
** These macros must match similar macros in dispatch.c.
**
** Allowed values for CmdOrPage.eCmdFlags. */
#define CMDFLAG_1ST_TIER     0x0001     /* Most important commands */
#define CMDFLAG_2ND_TIER     0x0002     /* Obscure and seldom used commands */
#define CMDFLAG_TEST         0x0004     /* Commands for testing only */
#define CMDFLAG_WEBPAGE      0x0008     /* Web pages */
#define CMDFLAG_COMMAND      0x0010     /* A command */
#define CMDFLAG_SETTING      0x0020     /* A setting */
#define CMDFLAG_VERSIONABLE  0x0040     /* A versionable setting */
#define CMDFLAG_BLOCKTEXT    0x0080     /* Multi-line text setting */
#define CMDFLAG_BOOLEAN      0x0100     /* A boolean setting */
#define CMDFLAG_RAWCONTENT   0x0200     /* Do not interpret webpage content */
#define CMDFLAG_SENSITIVE    0x0400     /* Security-sensitive setting */
#define CMDFLAG_HIDDEN       0x0800     /* Elide from most listings */
#define CMDFLAG_LDAVG_EXEMPT 0x1000     /* Exempt from load_control() */
/**************************************************************************/

/*
** Each entry looks like this:
*/
typedef struct Entry {
  int eType;        /* CMDFLAG_* values */

      aEntry[nUsed].iWidth = atoi(&zLine[i+6]);
    }else if( j>8 && strncmp(&zLine[i], "default=", 8)==0 ){
      aEntry[nUsed].zDflt = string_dup(&zLine[i+8], j-8);
    }else if( j>9 && strncmp(&zLine[i], "variable=", 9)==0 ){
      aEntry[nUsed].zVar = string_dup(&zLine[i+9], j-9);
    }else if( j==6 && strncmp(&zLine[i], "hidden", 6)==0 ){
      aEntry[nUsed].eType |= CMDFLAG_HIDDEN;
    }else if( j==14 && strncmp(&zLine[i], "loadavg-exempt", 14)==0 ){
      aEntry[nUsed].eType |= CMDFLAG_LDAVG_EXEMPT;
    }else{
      fprintf(stderr, "%s:%d: unknown option: '%.*s'\n",
              zFile, nLine, j, &zLine[i]);
      nErr++;
    }
  }