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Fixed building without HAVE_LIBC on Windows 

Fixes https://github.com/libsdl-org/SDL/issues/9064
This commit is contained in:
Sam Lantinga 2024-02-17 08:12:10 -08:00
parent 8ce786d2b6
commit ff01d0b568
3 changed files with 22 additions and 4 deletions
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4
src/stdlib/SDL_memcpy.c
View File

@ -81,7 +81,7 @@ void *SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void
/* The optimizer on Visual Studio 2005 and later generates memcpy() and memset() calls.
We will provide our own implementation if we're not building with a C runtime. */
#if defined(_MSC_VER) && (_MSC_VER >= 1400) && !defined(_MT)
#ifndef HAVE_LIBC
/* NOLINTNEXTLINE(readability-redundant-declaration) */
extern void *memcpy(void *dst, const void *src, size_t len);
#ifndef __INTEL_LLVM_COMPILER
@ -96,4 +96,4 @@ void *memcpy(void *dst, const void *src, size_t len)
{
return SDL_memcpy(dst, src, len);
}
#endif /* (_MSC_VER >= 1400) && !defined(_MT) */
#endif /* !HAVE_LIBC */

18
src/stdlib/SDL_memmove.c
View File

@ -53,3 +53,21 @@ void *SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void
#endif /* HAVE_MEMMOVE */
}
#ifndef HAVE_LIBC
/* NOLINTNEXTLINE(readability-redundant-declaration) */
extern void *memmove(void *dst, const void *src, size_t len);
#ifndef __INTEL_LLVM_COMPILER
#pragma intrinsic(memmove)
#endif
#ifndef __clang__
#pragma function(memmove)
#endif
/* NOLINTNEXTLINE(readability-inconsistent-declaration-parameter-name) */
void *memmove(void *dst, const void *src, size_t len)
{
return SDL_memmove(dst, src, len);
}
#endif /* !HAVE_LIBC */

4
src/stdlib/SDL_memset.c
View File

@ -118,7 +118,7 @@ void *SDL_memset4(void *dst, Uint32 val, size_t dwords)
/* The optimizer on Visual Studio 2005 and later generates memcpy() and memset() calls.
We will provide our own implementation if we're not building with a C runtime. */
#if defined(_MSC_VER) && (_MSC_VER >= 1400) && !defined(_MT)
#ifndef HAVE_LIBC
/* NOLINTNEXTLINE(readability-redundant-declaration) */
extern void *memset(void *dst, int c, size_t len);
#ifndef __INTEL_LLVM_COMPILER
@ -133,5 +133,5 @@ void *memset(void *dst, int c, size_t len)
{
return SDL_memset(dst, c, len);
}
#endif /* (_MSC_VER >= 1400) && !defined(_MT) */
#endif /* !HAVE_LIBC */