1cf28ed85SJohn Marino /* Invoke open, but avoid some glitches. 2cf28ed85SJohn Marino 3*09d4459fSDaniel Fojt Copyright (C) 2005-2006, 2008-2020 Free Software Foundation, Inc. 4cf28ed85SJohn Marino 5cf28ed85SJohn Marino This program is free software: you can redistribute it and/or modify 6cf28ed85SJohn Marino it under the terms of the GNU General Public License as published by 7cf28ed85SJohn Marino the Free Software Foundation; either version 3 of the License, or 8cf28ed85SJohn Marino (at your option) any later version. 9cf28ed85SJohn Marino 10cf28ed85SJohn Marino This program is distributed in the hope that it will be useful, 11cf28ed85SJohn Marino but WITHOUT ANY WARRANTY; without even the implied warranty of 12cf28ed85SJohn Marino MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13cf28ed85SJohn Marino GNU General Public License for more details. 14cf28ed85SJohn Marino 15cf28ed85SJohn Marino You should have received a copy of the GNU General Public License 16*09d4459fSDaniel Fojt along with this program. If not, see <https://www.gnu.org/licenses/>. */ 17cf28ed85SJohn Marino 18cf28ed85SJohn Marino /* Written by Paul Eggert. */ 19cf28ed85SJohn Marino 20cf28ed85SJohn Marino #include <config.h> 21cf28ed85SJohn Marino 22cf28ed85SJohn Marino #include "fcntl-safer.h" 23cf28ed85SJohn Marino 24cf28ed85SJohn Marino #include <fcntl.h> 25cf28ed85SJohn Marino #include <stdarg.h> 26cf28ed85SJohn Marino #include "unistd-safer.h" 27cf28ed85SJohn Marino 28cf28ed85SJohn Marino int 29cf28ed85SJohn Marino open_safer (char const *file, int flags, ...) 30cf28ed85SJohn Marino { 31cf28ed85SJohn Marino mode_t mode = 0; 32cf28ed85SJohn Marino 33cf28ed85SJohn Marino if (flags & O_CREAT) 34cf28ed85SJohn Marino { 35cf28ed85SJohn Marino va_list ap; 36cf28ed85SJohn Marino va_start (ap, flags); 37cf28ed85SJohn Marino 38cf28ed85SJohn Marino /* We have to use PROMOTED_MODE_T instead of mode_t, otherwise GCC 4 39cf28ed85SJohn Marino creates crashing code when 'mode_t' is smaller than 'int'. */ 40cf28ed85SJohn Marino mode = va_arg (ap, PROMOTED_MODE_T); 41cf28ed85SJohn Marino 42cf28ed85SJohn Marino va_end (ap); 43cf28ed85SJohn Marino } 44cf28ed85SJohn Marino 45cf28ed85SJohn Marino return fd_safer (open (file, flags, mode)); 46cf28ed85SJohn Marino } 47