diff options
| -rw-r--r-- | include/qemu/iov.h | 6 | ||||
| -rw-r--r-- | tests/test-iov.c | 10 |
2 files changed, 5 insertions, 11 deletions
diff --git a/include/qemu/iov.h b/include/qemu/iov.h index bd9fd55b0a..72d4c559b4 100644 --- a/include/qemu/iov.h +++ b/include/qemu/iov.h @@ -31,11 +31,6 @@ size_t iov_size(const struct iovec *iov, const unsigned int iov_cnt); * Number of bytes actually copied will be returned, which is * min(bytes, iov_size(iov)-offset) * `Offset' must point to the inside of iovec. - * It is okay to use very large value for `bytes' since we're - * limited by the size of the iovec anyway, provided that the - * buffer pointed to by buf has enough space. One possible - * such "large" value is -1 (sinice size_t is unsigned), - * so specifying `-1' as `bytes' means 'up to the end of iovec'. */ size_t iov_from_buf_full(const struct iovec *iov, unsigned int iov_cnt, size_t offset, const void *buf, size_t bytes); @@ -76,7 +71,6 @@ iov_to_buf(const struct iovec *iov, const unsigned int iov_cnt, * up to the end of it, will be filled with the specified value. * Function return actual number of bytes processed, which is * min(size, iov_size(iov) - offset). - * Again, it is okay to use large value for `bytes' to mean "up to the end". */ size_t iov_memset(const struct iovec *iov, const unsigned int iov_cnt, size_t offset, int fillc, size_t bytes); diff --git a/tests/test-iov.c b/tests/test-iov.c index fa3d75aee1..458ca25099 100644 --- a/tests/test-iov.c +++ b/tests/test-iov.c @@ -81,17 +81,17 @@ static void test_to_from_buf_1(void) * skip whole vector and process exactly 0 bytes */ /* first set bytes [i..sz) to some "random" value */ - n = iov_memset(iov, niov, 0, 0xff, -1); + n = iov_memset(iov, niov, 0, 0xff, sz); g_assert(n == sz); /* next copy bytes [i..sz) from ibuf to iovec */ - n = iov_from_buf(iov, niov, i, ibuf + i, -1); + n = iov_from_buf(iov, niov, i, ibuf + i, sz - i); g_assert(n == sz - i); /* clear part of obuf */ memset(obuf + i, 0, sz - i); /* and set this part of obuf to values from iovec */ - n = iov_to_buf(iov, niov, i, obuf + i, -1); + n = iov_to_buf(iov, niov, i, obuf + i, sz - i); g_assert(n == sz - i); /* now compare resulting buffers */ @@ -109,7 +109,7 @@ static void test_to_from_buf_1(void) * with j in [i..sz]. */ /* clear iovec */ - n = iov_memset(iov, niov, 0, 0xff, -1); + n = iov_memset(iov, niov, 0, 0xff, sz); g_assert(n == sz); /* copy bytes [i..j) from ibuf to iovec */ @@ -225,7 +225,7 @@ static void test_io(void) for (i = 0; i <= sz; ++i) { for (j = i; j <= sz; ++j) { k = i; - iov_memset(iov, niov, 0, 0xff, -1); + iov_memset(iov, niov, 0, 0xff, sz); do { s = g_test_rand_int_range(0, j - k + 1); r = iov_recv(sv[0], iov, niov, k, s); |