diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/sys/t_msync.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/sys/t_msync.c | 29 |
1 files changed, 8 insertions, 21 deletions
diff --git a/contrib/netbsd-tests/lib/libc/sys/t_msync.c b/contrib/netbsd-tests/lib/libc/sys/t_msync.c index 70d0ccf..d1fdbe0 100644 --- a/contrib/netbsd-tests/lib/libc/sys/t_msync.c +++ b/contrib/netbsd-tests/lib/libc/sys/t_msync.c @@ -1,4 +1,4 @@ -/* $NetBSD: t_msync.c,v 1.2 2012/03/16 06:15:17 matt Exp $ */ +/* $NetBSD: t_msync.c,v 1.3 2017/01/14 20:52:42 christos Exp $ */ /*- * Copyright (c) 2011 The NetBSD Foundation, Inc. @@ -29,7 +29,7 @@ * POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> -__RCSID("$NetBSD: t_msync.c,v 1.2 2012/03/16 06:15:17 matt Exp $"); +__RCSID("$NetBSD: t_msync.c,v 1.3 2017/01/14 20:52:42 christos Exp $"); #include <sys/mman.h> @@ -52,8 +52,7 @@ msync_sync(const char *garbage, int flags) { char *buf, *map = MAP_FAILED; const char *str = NULL; - size_t i, len; - ssize_t tot; + size_t len; int fd, rv; /* @@ -65,29 +64,17 @@ msync_sync(const char *garbage, int flags) if (buf == NULL) return NULL; - for (i = 0; i < (size_t)page; i++) - buf[i] = 'x'; + memset(buf, 'x', page); fd = open(path, O_RDWR | O_CREAT, 0700); if (fd < 0) { - str = "failed to open"; - goto out; + free(buf); + return "failed to open"; } - tot = 0; - - while (tot < page) { - - rv = write(fd, buf, sizeof(buf)); - - if (rv < 0) { - str = "failed to write"; - goto out; - } - - tot += rv; - } + ATF_REQUIRE_MSG(write(fd, buf, page) != -1, "write(2) failed: %s", + strerror(errno)); map = mmap(NULL, page, PROT_READ | PROT_WRITE, MAP_FILE|MAP_PRIVATE, fd, 0); |
