diff options
Diffstat (limited to 'tests/tcg/test-mmap.c')
| -rw-r--r-- | tests/tcg/test-mmap.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/tests/tcg/test-mmap.c b/tests/tcg/test-mmap.c index c418b67660..3982fa2c72 100644 --- a/tests/tcg/test-mmap.c +++ b/tests/tcg/test-mmap.c @@ -429,6 +429,12 @@ void check_file_fixed_mmaps(void) fprintf (stderr, " passed\n"); } +void checked_write(int fd, const void *buf, size_t count) +{ + ssize_t rc = write(fd, buf, count); + fail_unless(rc == count); +} + int main(int argc, char **argv) { char tempname[] = "/tmp/.cmmapXXXXXX"; @@ -450,13 +456,15 @@ int main(int argc, char **argv) unlink(tempname); /* Fill the file with int's counting from zero and up. */ - for (i = 0; i < (pagesize * 4) / sizeof i; i++) - write (test_fd, &i, sizeof i); + for (i = 0; i < (pagesize * 4) / sizeof i; i++) { + checked_write(test_fd, &i, sizeof i); + } + /* Append a few extra writes to make the file end at non page boundary. */ - write (test_fd, &i, sizeof i); i++; - write (test_fd, &i, sizeof i); i++; - write (test_fd, &i, sizeof i); i++; + checked_write(test_fd, &i, sizeof i); i++; + checked_write(test_fd, &i, sizeof i); i++; + checked_write(test_fd, &i, sizeof i); i++; test_fsize = lseek(test_fd, 0, SEEK_CUR); |