libs/newlib-cygwin
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* syscalls.cc (_write): Allow zero length as per SUSv2.

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This commit is contained in:
Christopher Faylor 2001-11-14 04:12:11 +00:00
parent b83587946b
commit 65814395b6
2 changed files with 7 additions and 0 deletions
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4
winsup/cygwin/ChangeLog
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@ -1,3 +1,7 @@
2001-11-13 Christopher Faylor <cgf@redhat.com>
* syscalls.cc (_write): Allow zero length as per SUSv2.
2001-11-13 Corinna Vinschen <corinna@vinschen.de> 2001-11-13 Corinna Vinschen <corinna@vinschen.de>
* dir.cc (mkdir): Add HIDDEN file attribute if file has leading dot * dir.cc (mkdir): Add HIDDEN file attribute if file has leading dot

3
winsup/cygwin/syscalls.cc
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@ -355,6 +355,9 @@ _read (int fd, void *ptr, size_t len)
extern "C" ssize_t extern "C" ssize_t
_write (int fd, const void *ptr, size_t len) _write (int fd, const void *ptr, size_t len)
{ {
if (len == 0)
return 0;
if (__check_invalid_read_ptr_errno (ptr, len)) if (__check_invalid_read_ptr_errno (ptr, len))
return -1; return -1;