https://git.reactos.org/?p=reactos.git;a=commitdiff;h=739c9a1e77d5218bdc76a5ee942cbef24b497463
commit 739c9a1e77d5218bdc76a5ee942cbef24b497463 Author: Timo Kreuzer <[email protected]> AuthorDate: Tue Jan 10 11:36:51 2023 +0200 Commit: Timo Kreuzer <[email protected]> CommitDate: Tue Jan 24 18:53:13 2023 +0100 [WINESYNC] msvcrt: Fixed strncpy_s behavior when count equals 0. wine commit id bdf9a9f9bd56354f70a7431a9682183b84353211 by Piotr Caban <[email protected]> --- sdk/lib/crt/wine/heap.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sdk/lib/crt/wine/heap.c b/sdk/lib/crt/wine/heap.c index ad809de181c..6a49988c63b 100644 --- a/sdk/lib/crt/wine/heap.c +++ b/sdk/lib/crt/wine/heap.c @@ -819,8 +819,11 @@ int CDECL MSVCRT_strncpy_s(char *dest, MSVCRT_size_t numberOfElements, TRACE("(%s %lu %s %lu)\n", dest, numberOfElements, src, count); - if(!count) + if(!count) { + if(dest && numberOfElements) + *dest = 0; return 0; + } if (!MSVCRT_CHECK_PMT(dest != NULL)) return MSVCRT_EINVAL; if (!MSVCRT_CHECK_PMT(src != NULL)) return MSVCRT_EINVAL;
