----- Original Message -----
> From: "Guangwen Feng" <fenggw-f...@cn.fujitsu.com>
> To: ltp-list@lists.sourceforge.net
> Sent: Tuesday, 14 July, 2015 8:47:03 AM
> Subject: [LTP] [PATCH] lib/safe_macros.c: fix safe_write() and safe_pwrite()
>
> The len_strict is ineffective in byte length verification
> because of the improper if-condition.
>
> Signed-off-by: Guangwen Feng <fenggw-f...@cn.fujitsu.com>
Good catch, pushed.
Regards,
Jan
> ---
> lib/safe_macros.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/lib/safe_macros.c b/lib/safe_macros.c
> index a3d997c..173d72f 100644
> --- a/lib/safe_macros.c
> +++ b/lib/safe_macros.c
> @@ -414,7 +414,7 @@ ssize_t safe_write(const char *file, const int lineno,
> void (cleanup_fn) (void),
> ssize_t rval;
>
> rval = write(fildes, buf, nbyte);
> - if ((len_strict == 0 && rval == -1) || (size_t)rval != nbyte) {
> + if (rval == -1 || (len_strict && (size_t)rval != nbyte)) {
> tst_brkm(TBROK | TERRNO, cleanup_fn,
> "%s:%d: write(%d,%p,%zu) failed",
> file, lineno, fildes, buf, rval);
> @@ -430,7 +430,7 @@ ssize_t safe_pwrite(const char *file, const int lineno,
> ssize_t rval;
>
> rval = pwrite(fildes, buf, nbyte, offset);
> - if ((len_strict == 0 && rval == -1) || (size_t)rval != nbyte) {
> + if (rval == -1 || (len_strict && (size_t)rval != nbyte)) {
> tst_brkm(TBROK | TERRNO, cleanup_fn,
> "%s:%d: pwrite(%d,%p,%zu,%ld) failed",
> file, lineno, fildes, buf, rval, offset);
> --
> 1.8.4.2
>
>
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