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ntdll: Add bsearch_s.

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Implementation copied from msvcrt.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2022-07-01 16:15:12 +02:00
parent d1cc31cebb
commit 5b36a00b4d
2 changed files with 19 additions and 4 deletions
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22
dlls/ntdll/misc.c
View file

@ -179,18 +179,21 @@ void __cdecl qsort( void *base, size_t nmemb, size_t size,
/*********************************************************************
* bsearch (NTDLL.@)
* bsearch_s (NTDLL.@)
*/
void * __cdecl bsearch( const void *key, const void *base, size_t nmemb,
size_t size, int (__cdecl *compar)(const void *, const void *) )
void * __cdecl bsearch_s( const void *key, const void *base, size_t nmemb, size_t size,
int (__cdecl *compare)(void *, const void *, const void *), void *ctx )
{
ssize_t min = 0;
ssize_t max = nmemb - 1;
if (!size) return NULL;
if (!compare) return NULL;
while (min <= max)
{
ssize_t cursor = min + (max - min) / 2;
int ret = compar(key,(const char *)base+(cursor*size));
int ret = compare(ctx, key,(const char *)base+(cursor*size));
if (!ret)
return (char*)base+(cursor*size);
if (ret < 0)
@ -202,6 +205,17 @@ void * __cdecl bsearch( const void *key, const void *base, size_t nmemb,
}
/*********************************************************************
* bsearch (NTDLL.@)
*/
void * __cdecl bsearch( const void *key, const void *base, size_t nmemb,
size_t size, int (__cdecl *compar)(const void *, const void *) )
{
return bsearch_s( key, base, nmemb, size, compare_wrapper, compar );
}
/*********************************************************************
* _lfind (NTDLL.@)
*/

1
dlls/ntdll/ntdll.spec
View file

@ -1566,6 +1566,7 @@
@ cdecl atoi(str)
@ cdecl atol(str)
@ cdecl bsearch(ptr ptr long long ptr)
@ cdecl bsearch_s(ptr ptr long long ptr ptr)
@ cdecl ceil(double)
@ cdecl cos(double)
@ cdecl fabs(double)