X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fwidechar%2Flib_get_wch.c;h=71d560367d7343a67cd7133304688face2065666;hp=c6ab927748faffa9d83a5e41f9ab8ca93fcd46da;hb=03f728e5bb3630a54fffc4a2ff2f8dbfcce9088e;hpb=7a6bbc8cf41c5186d46accc3d08622dc86526b34 diff --git a/ncurses/widechar/lib_get_wch.c b/ncurses/widechar/lib_get_wch.c index c6ab9277..71d56036 100644 --- a/ncurses/widechar/lib_get_wch.c +++ b/ncurses/widechar/lib_get_wch.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 2002-2008,2009 Free Software Foundation, Inc. * + * Copyright (c) 2002-2010,2011 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 * @@ -40,22 +40,7 @@ #include #include -MODULE_ID("$Id: lib_get_wch.c,v 1.18 2009/04/18 22:41:33 tom Exp $") - -#if HAVE_MBTOWC && HAVE_MBLEN -#define reset_mbytes(state) mblen(NULL, 0), mbtowc(NULL, NULL, 0) -#define count_mbytes(buffer,length,state) mblen(buffer,length) -#define check_mbytes(wch,buffer,length,state) \ - (int) mbtowc(&wch, buffer, length) -#define state_unused -#elif HAVE_MBRTOWC && HAVE_MBRLEN -#define reset_mbytes(state) init_mb(state) -#define count_mbytes(buffer,length,state) mbrlen(buffer,length,&state) -#define check_mbytes(wch,buffer,length,state) \ - (int) mbrtowc(&wch, buffer, length, &state) -#else -make an error -#endif +MODULE_ID("$Id: lib_get_wch.c,v 1.23 2011/05/28 23:00:29 tom Exp $") NCURSES_EXPORT(int) wget_wch(WINDOW *win, wint_t *result) @@ -65,13 +50,13 @@ wget_wch(WINDOW *win, wint_t *result) char buffer[(MB_LEN_MAX * 9) + 1]; /* allow some redundant shifts */ int status; size_t count = 0; - unsigned long value; + int value = 0; wchar_t wch; #ifndef state_unused mbstate_t state; #endif - T((T_CALLED("wget_wch(%p)"), win)); + T((T_CALLED("wget_wch(%p)"), (void *) win)); /* * We can get a stream of single-byte characters and KEY_xxx codes from @@ -95,12 +80,12 @@ 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 { @@ -111,7 +96,7 @@ 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; @@ -121,8 +106,11 @@ 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); }