X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=test%2Fview.c;h=fe3a2114ea3a3ff3de30ed781dd1090e71d4f721;hp=48c86e6b80e024282951fa8458787aed9a7ef0f1;hb=26522e4669dbf45cba32138b5d81c6c292e88e60;hpb=772f879d17117c5b766022f28099e341ebea825b;ds=inline

diff --git a/test/view.c b/test/view.c
index 48c86e6b..fe3a2114 100644
--- a/test/view.c
+++ b/test/view.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -50,7 +50,7 @@
  * scroll operation worked, and the refresh() code only had to do a
  * partial repaint.
  *
- * $Id: view.c,v 1.66 2007/07/21 17:41:55 tom Exp $
+ * $Id: view.c,v 1.70 2008/11/16 00:19:59 juergen Exp $
  */
 
 #include <test.priv.h>
@@ -62,8 +62,10 @@
 #if HAVE_TERMIOS_H
 # include <termios.h>
 #else
+#if !defined(__MINGW32__)
 # include <sgtty.h>
 #endif
+#endif
 
 #if !defined(sun) || !HAVE_TERMIOS_H
 # if HAVE_SYS_IOCTL_H
@@ -79,6 +81,23 @@
 #include <sys/ptem.h>
 #endif
 
+#if USE_WIDEC_SUPPORT
+#if HAVE_MBTOWC && HAVE_MBLEN
+#define reset_mbytes(state) mblen(NULL, 0), mbtowc(NULL, NULL, 0)
+#define count_mbytes(buffer,length,state) mblen(buffer,length)
+#define check_mbytes(wch,buffer,length,state) \
+	(int) mbtowc(&wch, buffer, length)
+#define state_unused
+#elif HAVE_MBRTOWC && HAVE_MBRLEN
+#define reset_mbytes(state) init_mb(state)
+#define count_mbytes(buffer,length,state) mbrlen(buffer,length,&state)
+#define check_mbytes(wch,buffer,length,state) \
+	(int) mbrtowc(&wch, buffer, length, &state)
+#else
+make an error
+#endif
+#endif				/* USE_WIDEC_SUPPORT */
+
 static RETSIGTYPE finish(int sig) GCC_NORETURN;
 static void show_all(const char *tag);
 
@@ -158,17 +177,19 @@ ch_dup(char *src)
     wchar_t wstr[CCHARW_MAX + 1];
     wchar_t wch;
     int l = 0;
-    mbstate_t state;
     size_t rc;
     int width;
+#ifndef state_unused
+    mbstate_t state;
 #endif
+#endif /* USE_WIDEC_SUPPORT */
 
 #if USE_WIDEC_SUPPORT
-    memset(&state, 0, sizeof(state));
+    reset_mbytes(state);
 #endif
     for (j = k = 0; j < len; j++) {
 #if USE_WIDEC_SUPPORT
-	rc = mbrtowc(&wch, src + j, len - j, &state);
+	rc = check_mbytes(wch, src + j, len - j, state);
 	if (rc == (size_t) -1 || rc == (size_t) -2)
 	    break;
 	j += rc - 1;
@@ -238,7 +259,8 @@ main(int argc, char *argv[])
 	    CATCHALL(SIG_IGN);
 	    break;
 	case 'n':
-	    if ((MAXLINES = atoi(optarg)) < 1)
+	    if ((MAXLINES = atoi(optarg)) < 1 ||
+		(MAXLINES + 2) <= 1)
 		usage();
 	    break;
 #if CAN_RESIZE
@@ -508,10 +530,12 @@ show_all(const char *tag)
     time_t this_time;
 
 #if CAN_RESIZE
-    sprintf(temp, "%s (%3dx%3d) col %d ", tag, LINES, COLS, shift);
+    sprintf(temp, "%.20s (%3dx%3d) col %d ", tag, LINES, COLS, shift);
     i = strlen(temp);
-    sprintf(temp + i, "view %.*s", (int) (sizeof(temp) - 7 - i), fname);
+    if ((i + 7) < (int) sizeof(temp))
+	sprintf(temp + i, "view %.*s", (int) (sizeof(temp) - 7 - i), fname);
 #else
+    (void) tag;
     sprintf(temp, "view %.*s", (int) sizeof(temp) - 7, fname);
 #endif
     move(0, 0);