First part of interactive checks that coding systems encode regions. 2008-01-21 Aidan Kehoe <kehoea@parhasard.net> * coding.el (decode-coding-string): (encode-coding-string): Accept GNU's NOCOPY argument for these. Todo; write compiler macros to use it. (query-coding-warning-face): New face, to show unencodable characters. (default-query-coding-region-safe-charset-skip-chars-map): New variable, a cache used by #'default-query-coding-region. (default-query-coding-region): Default implementation of #'query-coding-region, using the safe-charsets and safe-chars coding systemproperties. (query-coding-region): New function; can a given coding system encode a given region? (query-coding-string): New function; can a given coding system encode a given string? (unencodable-char-position): Function API taken from GNU; return the first unencodable position given a string and coding system. (encode-coding-char): Function API taken from GNU; return CHAR encoded using CODING-SYSTEM, or nil if CODING-SYSTEM would trash CHAR. ((unless (featurep 'mule)): Override the default query-coding-region implementation on non-Mule. * mule/mule-coding.el (make-8-bit-generate-helper): Eliminate a duplicate comment. (make-8-bit-choose-category): Simplify implementation. (8-bit-fixed-query-coding-region): Implementation of #'query-coding-region for coding systems created with #'make-8-bit-coding-system. (make-8-bit-coding-system): Initialise the #'query-coding-region implementation for these character sets. (make-8-bit-coding-system): Ditto for the compiler macro version of this function. * unicode.el (unicode-query-coding-skip-chars-arg): New variable, used by unicode-query-coding-region, initialised in mule/general-late.el. (unicode-query-coding-region): New function, the #'query-coding-region implementation for Unicode coding systems. Initialise the query-coding-function property for the Unicode coding systems to #'unicode-query-coding-region. * mule/mule-charset.el (charset-skip-chars-string): New function. Return a #'skip-chars-forward argument that skips all characters in CHARSET. (map-charset-chars): Function synced from GNU, modified to work with XEmacs. Map FUNC across the int value charset ranges of CHARSET.

/*
 * Copyright (c) 2000, Red Hat, Inc.
 *
 *     This program is free software; you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation; either version 2 of the License, or
 *     (at your option) any later version.
 *
 *     A copy of the GNU General Public License can be found at
 *     http://www.gnu.org/
 *
 * Written by DJ Delorie <dj@cygnus.com>
 *
 */

#include "win32.h"

typedef struct {
  char *name;
  HINSTANCE handle;
} DllInfo;

#define DLL(n) static DllInfo n ## _info __asm__ (#n "_info") = { #n, 0}

#define Auto(dll, func, size) \
	__asm__ ("\t.data"); \
	__asm__ ("\t.global\t_" #func "@" #size); \
	__asm__ ("_" #func "@" #size ":"); \
	__asm__ ("\tcall\tautoload_common"); \
	__asm__ ("\t.long\t" #dll "_info"); \
	__asm__ ("\t.ascii\t\"" #func "\\0\"")

DLL (wininet);

Auto (wininet, InternetAttemptConnect, 4);
Auto (wininet, InternetCloseHandle, 4);
Auto (wininet, InternetGetLastResponseInfoA, 12);
Auto (wininet, InternetOpenA, 20);
Auto (wininet, InternetOpenUrlA, 24);
Auto (wininet, InternetReadFile, 16);
Auto (wininet, InternetSetOptionA, 16);
Auto (wininet, InternetQueryOptionA, 16);
Auto (wininet, HttpQueryInfoA, 20);
Auto (wininet, HttpSendRequestA, 20);

typedef struct {
  DllInfo *dll;
  char name[100];
} AutoEntry;

static void autoload_common () __asm__ ("autoload_common");

static void
autoload_common (int x)
{
  int fp, rel;
  unsigned char *proc;
  HINSTANCE h;
  AutoEntry *a;
  
  a = *(AutoEntry **)(&x - 1);
  if (a->dll->handle == 0)
    {
      h = LoadLibrary (a->dll->name);
      a->dll->handle = h;
    }
  fp = (int) GetProcAddress (a->dll->handle, a->name);
  proc = ((unsigned char *)a) - 5;
  rel = fp - (int)(a); /* now it's a relative call */
  *proc++ = 0xe9; /* jump near 32-bit relative */
  *proc++ = rel;
  *proc++ = rel>>8;
  *proc++ = rel>>16;
  *proc++ = rel>>24;

  *(int *)(&x-1) = (int)proc-5;
}