diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/stdio/t_popen.c')
-rw-r--r-- | contrib/netbsd-tests/lib/libc/stdio/t_popen.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/stdio/t_popen.c b/contrib/netbsd-tests/lib/libc/stdio/t_popen.c new file mode 100644 index 0000000..699498c --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/stdio/t_popen.c @@ -0,0 +1,135 @@ +/* $NetBSD: t_popen.c,v 1.4 2013/02/15 23:27:19 christos Exp $ */ + +/*- + * Copyright (c) 1999 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Matthias Scheler. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +#ifndef lint +__COPYRIGHT("@(#) Copyright (c) 1999\ + The NetBSD Foundation, Inc. All rights reserved."); +#endif /* not lint */ + +#ifndef lint +__RCSID("$NetBSD: t_popen.c,v 1.4 2013/02/15 23:27:19 christos Exp $"); +#endif /* not lint */ + +#include <atf-c.h> + +#include <sys/param.h> + +#include <errno.h> +#include <err.h> +#include <paths.h> +#include <stdio.h> +#include <stdlib.h> +#include <time.h> +#include <unistd.h> + +#define _PATH_CAT "/bin/cat" +#define BUFSIZE (640*1024) + /* 640KB ought to be enough for everyone. */ +#define DATAFILE "popen.data" + +#define TEST_ERROR(a) \ + do \ + { \ + warn(a); \ + atf_tc_fail("Check stderr for error details."); \ + } while ( /*CONSTCOND*/ 0 ) + +ATF_TC_WITH_CLEANUP(popen_zeropad); +ATF_TC_HEAD(popen_zeropad, tc) +{ + + atf_tc_set_md_var(tc, "descr", "output format zero padding"); +} + +ATF_TC_BODY(popen_zeropad, tc) +{ + char *buffer, command[MAXPATHLEN]; + int idx, in; + FILE *my_pipe; + + if ((buffer = malloc(BUFSIZE)) == NULL) + atf_tc_skip("Unable to allocate buffer."); + + srand ((unsigned int)time(NULL)); + + for (idx = 0; idx < BUFSIZE; idx++) + buffer[idx]=(char)rand(); + + (void)snprintf(command, sizeof(command), "%s >%s", + _PATH_CAT, DATAFILE); + + if ((my_pipe = popen(command, "w")) == NULL) + TEST_ERROR("popen write"); + + if (fwrite(buffer, sizeof(char), BUFSIZE, my_pipe) != BUFSIZE) + TEST_ERROR("fwrite"); + + if (pclose(my_pipe) == -1) + TEST_ERROR("pclose"); + + (void)snprintf(command, sizeof(command), "%s %s", _PATH_CAT, DATAFILE); + + if ((my_pipe = popen(command, "r")) == NULL) + TEST_ERROR("popen read"); + + idx = 0; + while ((in = fgetc(my_pipe)) != EOF) + if (idx == BUFSIZE) { + errno = EFBIG; + TEST_ERROR("read"); + } + else if ((char)in != buffer[idx++]) { + errno = EINVAL; + TEST_ERROR("read"); + } + + if (idx < BUFSIZE) { + errno = EIO; + TEST_ERROR("read"); + } + + if (pclose(my_pipe) == -1) + TEST_ERROR("pclose"); +} + +ATF_TC_CLEANUP(popen_zeropad, tc) +{ + (void)unlink(DATAFILE); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, popen_zeropad); + + return atf_no_error(); +} |