X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fwidechar%2Flib_get_wch.c;h=689101732fde20b68238bad87bc45159a460b056;hp=f322abb18426003e8c70d30d69e1c67c449d0572;hb=b025434573f466efe27862656a6a9d41dd2bd609;hpb=92e187a3459ab7ce1613a3684ca6642447c73620 diff --git a/ncurses/widechar/lib_get_wch.c b/ncurses/widechar/lib_get_wch.c index f322abb1..68910173 100644 --- a/ncurses/widechar/lib_get_wch.c +++ b/ncurses/widechar/lib_get_wch.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 2002-2009,2010 Free Software Foundation, Inc. * + * Copyright (c) 2002-2011,2016 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 * @@ -40,17 +40,14 @@ #include #include -MODULE_ID("$Id: lib_get_wch.c,v 1.21 2010/05/01 22:04:08 tom Exp $") +MODULE_ID("$Id: lib_get_wch.c,v 1.24 2016/05/28 23:36:34 tom Exp $") NCURSES_EXPORT(int) wget_wch(WINDOW *win, wint_t *result) { SCREEN *sp; int code; - char buffer[(MB_LEN_MAX * 9) + 1]; /* allow some redundant shifts */ - int status; - size_t count = 0; - unsigned long value = 0; + int value = 0; wchar_t wch; #ifndef state_unused mbstate_t state; @@ -64,8 +61,13 @@ wget_wch(WINDOW *win, wint_t *result) */ _nc_lock_global(curses); sp = _nc_screen_of(win); + if (sp != 0) { + size_t count = 0; + for (;;) { + char buffer[(MB_LEN_MAX * 9) + 1]; /* allow some redundant shifts */ + T(("reading %d of %d", (int) count + 1, (int) sizeof(buffer))); code = _nc_wgetch(win, &value, TRUE EVENTLIST_2nd((_nc_eventlist *) 0)); @@ -80,15 +82,17 @@ wget_wch(WINDOW *win, wint_t *result) * whether the improvement would be worth the effort. */ if (count != 0) { - safe_ungetch(SP_PARM, (int) value); + safe_ungetch(SP_PARM, value); code = ERR; } break; } else if (count + 1 >= sizeof(buffer)) { - safe_ungetch(SP_PARM, (int) value); + safe_ungetch(SP_PARM, value); code = ERR; break; } else { + int status; + buffer[count++] = (char) UChar(value); reset_mbytes(state); status = count_mbytes(buffer, count, state); @@ -96,7 +100,7 @@ wget_wch(WINDOW *win, wint_t *result) reset_mbytes(state); if (check_mbytes(wch, buffer, count, state) != status) { code = ERR; /* the two calls should match */ - safe_ungetch(SP_PARM, (int) value); + safe_ungetch(SP_PARM, value); } value = wch; break; @@ -106,8 +110,11 @@ wget_wch(WINDOW *win, wint_t *result) } else { code = ERR; } - *result = value; + + if (result != 0) + *result = (wint_t) value; + _nc_unlock_global(curses); - T(("result %#lo", value)); + T(("result %#o", value)); returnCode(code); }