/* Test of vdprintf() function. Copyright (C) 2011-2023 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #include #include #include "signature.h" SIGNATURE_CHECK (vdprintf, int, (int, const char *, va_list)); #include #include #include "macros.h" static int my_dprintf (int fd, const char *format, ...) { va_list args; int ret; va_start (args, format); ret = vdprintf (fd, format, args); va_end (args); return ret; } int main (int argc, char *argv[]) { /* Test behaviour for invalid file descriptors. */ { errno = 0; ASSERT (my_dprintf (-1, "test") == -1); ASSERT (errno == EBADF); } { close (99); errno = 0; ASSERT (my_dprintf (99, "test") == -1); ASSERT (errno == EBADF); } return 0; }