[w3m-dev 03708] Re: Don't stop loading image when moving to next page.

* config.h.dist (lstat): define ifndef HAVE_LSTAT
* configure (config.h) ditto
* display.c (fmTerm): new loadImage
	(save_current_buf): only ifdef USE_BUFINFO
	(displayBuffer): new loadImage
* etc.c (setup_child): TrapSignal
* file.c (loadGeneralFile): TRAP_OFF, TRAP_ON
	(loadHTMLstream): ditto
	(loadGopherDir): ditto
	(loadBuffer): ditto
	(loadImageBuffer): ditto
	(getNextPage): ditto
	(save2tmp): ditto
* fm.h (TrapSignal): added
	(TRAP_ON): added
	(TRAP_OFF): added
* form.c (HAVE_LSTAT): deleted
* frame.c (createFrameFile): TRAP_OFF, TRAP_ON
* image.c (image_buffer): added
	(deleteImage): new loadImage
	(getAllImage): initialize image_buffer
	(loadImage): rewrite
* main.c (main): new loadImage
	(checkDownloadList): remove ifdef HAVE_LSTAT
* news.c (loadNwesgroup): TRAP_ON, TRAP_OFF
* proto.h (loadImage): add buf arg
* url.c (openSocket): TRAP_ON, TRAP_OFF
	(check_no_proxy): TRAP_ON, TRAP_OFF
From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>

fm.h

@@ -1,4 +1,4 @@
-/* $Id: fm.h,v 1.109 2003/01/27 16:18:52 ukai Exp $ */
+/* $Id: fm.h,v 1.110 2003/01/29 17:10:37 ukai Exp $ */
 /* 
  * w3m: WWW wo Miru utility
  * 
@@ -778,6 +778,18 @@ global char MetaRefresh init(FALSE);
 
 global char fmInitialized init(FALSE);
 global char QuietMessage init(FALSE);
+global char TrapSignal init(TRUE);
+#define TRAP_ON if (TrapSignal) { \
+    prevtrap = signal(SIGINT, KeyAbort); \
+    if (fmInitialized) \
+	term_cbreak(); \
+}
+#define TRAP_OFF if (TrapSignal) { \
+    if (fmInitialized) \
+	term_raw(); \
+    if (prevtrap) \
+	signal(SIGINT, prevtrap); \
+}
 
 extern unsigned char GlobalKeymap[];
 extern unsigned char EscKeymap[];