The system call now fails when it cannot write the requested size.
Update the sanitizer runtime Fuchsia implementation accordingly.
Differential Revision: https://reviews.llvm.org/D44770
llvm-svn: 328273
zx_handle_t vmo;
zx_status_t status = _zx_vmo_create(size, 0, &vmo);
if (status == ZX_OK) {
- while (size > 0) {
- size_t wrote;
- status = _zx_vmo_write(vmo, reinterpret_cast<const void *>(beg), 0, size,
- &wrote);
- if (status != ZX_OK) break;
- CHECK_GT(wrote, 0);
- CHECK_LE(wrote, size);
- beg += wrote;
- size -= wrote;
- }
+ status = _zx_vmo_write(vmo, reinterpret_cast<const void *>(beg), 0, size);
_zx_handle_close(vmo);
}
return status == ZX_OK;