https://git.reactos.org/?p=reactos.git;a=commitdiff;h=c36ea58f32deabb044b333253b60c2ab0149835c
commit c36ea58f32deabb044b333253b60c2ab0149835c Author: Timo Kreuzer <[email protected]> AuthorDate: Tue Jan 10 11:21:03 2023 +0200 Commit: Timo Kreuzer <[email protected]> CommitDate: Tue Jan 24 18:53:13 2023 +0100 [CRT] Add a number of functions from wine This adds _aligned_msize, _recalloc, wmemmove_s, memcpy_s, wmemcpy_s --- sdk/lib/crt/wine/heap.c | 119 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) diff --git a/sdk/lib/crt/wine/heap.c b/sdk/lib/crt/wine/heap.c index 39e2e0c44b9..ad809de181c 100644 --- a/sdk/lib/crt/wine/heap.c +++ b/sdk/lib/crt/wine/heap.c @@ -26,6 +26,7 @@ #define MSVCRT_size_t size_t #define MSVCRT_intptr_t intptr_t +#define MSVCRT_wchar_t wchar_t #define MSVCRT__HEAPBADNODE _HEAPBADNODE #define MSVCRT__HEAPOK _HEAPOK #define MSVCRT__HEAPEND _HEAPEND @@ -35,6 +36,7 @@ #define MSVCRT_EINVAL EINVAL #define MSVCRT_ENOSYS ENOSYS #define MSVCRT_ENOMEM ENOMEM +#define MSVCRT_ERANGE ERANGE #define MSVCRT__TRUNCATE _TRUNCATE #define MSVCRT__heapinfo _heapinfo #define MSVCRT__errno _errno @@ -42,6 +44,7 @@ #define MSVCRT_malloc malloc #define MSVCRT_realloc realloc #define MSVCRT_free free +#define MSVCRT_memcpy_s memcpy_s #define MSVCRT_memmove_s memmove_s #define MSVCRT_strncpy_s strncpy_s #define msvcrt_set_errno _dosmaperr @@ -394,6 +397,22 @@ MSVCRT_size_t CDECL _msize(void* mem) return size; } +/********************************************************************* + * _aligned_msize (MSVCR100.@) + */ +size_t CDECL _aligned_msize(void *p, MSVCRT_size_t alignment, MSVCRT_size_t offset) +{ + void **alloc_ptr; + + if(!MSVCRT_CHECK_PMT(p)) return -1; + + if(alignment < sizeof(void*)) + alignment = sizeof(void*); + + alloc_ptr = SAVED_PTR(p); + return _msize(*alloc_ptr)-alignment-sizeof(void*); +} + /********************************************************************* * calloc (MSVCRT.@) */ @@ -432,6 +451,31 @@ void* CDECL MSVCRT_realloc(void* ptr, MSVCRT_size_t size) return NULL; } +/********************************************************************* + * _recalloc (MSVCR100.@) + */ +void* CDECL _recalloc(void *mem, MSVCRT_size_t num, MSVCRT_size_t size) +{ + MSVCRT_size_t old_size; + void *ret; + + if(!mem) + return MSVCRT_calloc(num, size); + + size = num*size; + old_size = _msize(mem); + + ret = MSVCRT_realloc(mem, size); + if(!ret) { + *MSVCRT__errno() = MSVCRT_ENOMEM; + return NULL; + } + + if(size>old_size) + memset((BYTE*)ret+old_size, 0, size-old_size); + return ret; +} + /********************************************************************* * __p__amblksiz (MSVCRT.@) */ @@ -690,6 +734,81 @@ int CDECL MSVCRT_memmove_s(void *dest, MSVCRT_size_t numberOfElements, const voi return 0; } +/********************************************************************* + * wmemmove_s (MSVCR100.@) + */ +int CDECL wmemmove_s(MSVCRT_wchar_t *dest, MSVCRT_size_t numberOfElements, + const MSVCRT_wchar_t *src, MSVCRT_size_t count) +{ + TRACE("(%p %lu %p %lu)\n", dest, numberOfElements, src, count); + + if (!count) + return 0; + + /* Native does not seem to conform to 6.7.1.2.3 in + * http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1225.pdf + * in that it does not zero the output buffer on constraint violation. + */ + if (!MSVCRT_CHECK_PMT(dest != NULL)) return MSVCRT_EINVAL; + if (!MSVCRT_CHECK_PMT(src != NULL)) return MSVCRT_EINVAL; + if (!MSVCRT_CHECK_PMT_ERR(count <= numberOfElements, MSVCRT_ERANGE)) return MSVCRT_ERANGE; + + memmove(dest, src, sizeof(MSVCRT_wchar_t)*count); + return 0; +} + +/********************************************************************* + * memcpy_s (MSVCRT.@) + */ +int CDECL MSVCRT_memcpy_s(void *dest, MSVCRT_size_t numberOfElements, const void *src, MSVCRT_size_t count) +{ + TRACE("(%p %lu %p %lu)\n", dest, numberOfElements, src, count); + + if(!count) + return 0; + + if (!MSVCRT_CHECK_PMT(dest != NULL)) return MSVCRT_EINVAL; + if (!MSVCRT_CHECK_PMT(src != NULL)) + { + memset(dest, 0, numberOfElements); + return MSVCRT_EINVAL; + } + if (!MSVCRT_CHECK_PMT_ERR( count <= numberOfElements, MSVCRT_ERANGE )) + { + memset(dest, 0, numberOfElements); + return MSVCRT_ERANGE; + } + + memcpy(dest, src, count); + return 0; +} + +/********************************************************************* + * wmemcpy_s (MSVCR100.@) + */ +int CDECL wmemcpy_s(MSVCRT_wchar_t *dest, MSVCRT_size_t numberOfElements, + const MSVCRT_wchar_t *src, MSVCRT_size_t count) +{ + TRACE("(%p %lu %p %lu)\n", dest, numberOfElements, src, count); + + if (!count) + return 0; + + if (!MSVCRT_CHECK_PMT(dest != NULL)) return MSVCRT_EINVAL; + + if (!MSVCRT_CHECK_PMT(src != NULL)) { + memset(dest, 0, numberOfElements*sizeof(MSVCRT_wchar_t)); + return MSVCRT_EINVAL; + } + if (!MSVCRT_CHECK_PMT_ERR(count <= numberOfElements, MSVCRT_ERANGE)) { + memset(dest, 0, numberOfElements*sizeof(MSVCRT_wchar_t)); + return MSVCRT_ERANGE; + } + + memcpy(dest, src, sizeof(MSVCRT_wchar_t)*count); + return 0; +} + /********************************************************************* * strncpy_s (MSVCRT.@) */
