diff options
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/Makefile | 3 | ||||
| -rw-r--r-- | misc/tst-preadvwritev.c | 114 | ||||
| -rw-r--r-- | misc/tst-preadvwritev64.c | 22 |
3 files changed, 138 insertions, 1 deletions
diff --git a/misc/Makefile b/misc/Makefile index 6498adc3aa..56e20ce521 100644 --- a/misc/Makefile +++ b/misc/Makefile @@ -77,7 +77,8 @@ gpl2lgpl := error.c error.h tests := tst-dirname tst-tsearch tst-fdset tst-efgcvt tst-mntent tst-hsearch \ tst-error1 tst-pselect tst-insremque tst-mntent2 bug-hsearch1 \ - tst-mntent-blank-corrupt tst-mntent-blank-passno bug18240 + tst-mntent-blank-corrupt tst-mntent-blank-passno bug18240 \ + tst-preadvwritev tst-preadvwritev64 ifeq ($(run-built-tests),yes) tests-special += $(objpfx)tst-error1-mem.out endif diff --git a/misc/tst-preadvwritev.c b/misc/tst-preadvwritev.c new file mode 100644 index 0000000000..08deecca11 --- /dev/null +++ b/misc/tst-preadvwritev.c @@ -0,0 +1,114 @@ +/* Tests for preadv and pwritev. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <sys/uio.h> + +/* Allow testing of the 64-bit versions as well. */ +#ifndef PREADV +# define PREADV preadv +# define PWRITEV pwritev +#endif + +static void do_prepare (void); +static int do_test (void); +#define PREPARE(argc, argv) do_prepare () +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" + +static char *temp_filename; +static int temp_fd; + +void +do_prepare (void) +{ + temp_fd = create_temp_file ("tst-PREADVwritev.", &temp_filename); + if (temp_fd == -1) + { + printf ("cannot create temporary file: %m\n"); + exit (1); + } +} + +#define FAIL(str) \ + do { printf ("error: %s (line %d)\n", str, __LINE__); return 1; } while (0) + +int +do_test (void) +{ + struct iovec iov[2]; + ssize_t ret; + + char buf1[32]; + char buf2[64]; + + memset (buf1, 0xf0, sizeof buf1); + memset (buf2, 0x0f, sizeof buf2); + + memset (iov, 0, sizeof iov); + iov[0].iov_base = buf1; + iov[0].iov_len = sizeof buf1; + iov[1].iov_base = buf2; + iov[1].iov_len = sizeof buf2; + + ret = PWRITEV (temp_fd, iov, 2, 0); + if (ret == -1) + FAIL ("first PWRITEV returned -1"); + if (ret != (sizeof buf1 + sizeof buf2)) + FAIL ("first PWRITEV returned an unexpected value"); + + ret = PWRITEV (temp_fd, iov, 2, sizeof buf1 + sizeof buf2); + if (ret == -1) + FAIL ("second PWRITEV returned -1"); + if (ret != (sizeof buf1 + sizeof buf2)) + FAIL ("second PWRITEV returned an unexpected value"); + + char buf3[32]; + char buf4[64]; + + memset (buf3, 0x0f, sizeof buf3); + memset (buf4, 0xf0, sizeof buf4); + + iov[0].iov_base = buf3; + iov[0].iov_len = sizeof buf3; + iov[1].iov_base = buf4; + iov[1].iov_len = sizeof buf4; + + ret = PREADV (temp_fd, iov, 2, 0); + if (ret == -1) + FAIL ("first PREADV returned -1"); + if (ret != (sizeof buf3 + sizeof buf4)) + FAIL ("first PREADV returned an unexpected value"); + + if (memcmp (buf1, buf3, sizeof buf1) != 0) + FAIL ("first buffer from first PREADV different than expected"); + if (memcmp (buf2, buf4, sizeof buf2) != 0) + FAIL ("second buffer from first PREADV different than expected"); + + ret = PREADV (temp_fd, iov, 2, sizeof buf3 + sizeof buf4); + if (ret == -1) + FAIL ("second PREADV returned -1"); + if (ret != (sizeof buf3 + sizeof buf4)) + FAIL ("second PREADV returned an unexpected value"); + + if (memcmp (buf1, buf3, sizeof buf1) != 0) + FAIL ("first buffer from second PREADV different than expected"); + if (memcmp (buf2, buf4, sizeof buf2) != 0) + FAIL ("second buffer from second PREADV different than expected"); + + return 0; +} diff --git a/misc/tst-preadvwritev64.c b/misc/tst-preadvwritev64.c new file mode 100644 index 0000000000..ff6e134eab --- /dev/null +++ b/misc/tst-preadvwritev64.c @@ -0,0 +1,22 @@ +/* Tests for pread64 and pwrite64. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#define PREADV preadv64 +#define PWRITEV pwritev64 + +#include "tst-preadvwritev.c" |