jehanne/qa/lib/c/conswrite.c

40 lines
1.1 KiB
C

/*
* This file is part of Jehanne.
*
* Copyright (C) 2015 Giacomo Tesio <giacomo@tesio.it>
*
* Jehanne 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, version 2 of the License.
*
* Jehanne 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 Jehanne. If not, see <http://www.gnu.org/licenses/>.
*/
#include <u.h>
#include <libc.h>
#define BUFSZ (32*1024)
void
main(void)
{
int w;
char msg[BUFSZ];
print("This test write 32k 1 to stderr to test /dev/cons behaviour.\n");
print("The test pass if the everything get written, including 'PASS'.\n");
memset(msg, '1', BUFSZ);
if((w = write(2, msg, BUFSZ)) < BUFSZ){
print("\nFAIL, written %d instead of %d\n", w, BUFSZ);
exits("FAIL");
}
print("\nPASS\n");
exits("PASS");
}