Mesa (main): vulkan/util: Add explicit casts to make c++ happy

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Module: Mesa
Branch: main
Commit: 0d0ecbd987e7b37af9ea2c7dbf33bf91d018a603
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0d0ecbd987e7b37af9ea2c7dbf33bf91d018a603

Author: Erik Faye-Lund <kusmabite at gmail.com>
Date:   Fri Feb  4 09:03:39 2022 +0100

vulkan/util: Add explicit casts to make c++ happy

We're about to need including this header from a C++ source, so let's
add some explicit casts for C++ compatibility.

In one case we can make things a bit cleaner by moving the
char-pointer-ism to the place that needs it, so let's clean that up
while we're at it.

Reviewed-by: Jason Ekstrand <jason.ekstrand at collabora.com>
Reviewed-by: Emma Anholt <emma at anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14850>

---

 src/vulkan/util/vk_alloc.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/vulkan/util/vk_alloc.h b/src/vulkan/util/vk_alloc.h
index 18b0d73b052..8553237e8c7 100644
--- a/src/vulkan/util/vk_alloc.h
+++ b/src/vulkan/util/vk_alloc.h
@@ -234,7 +234,7 @@ vk_multialloc_alloc(struct vk_multialloc *ma,
                     const VkAllocationCallbacks *alloc,
                     VkSystemAllocationScope scope)
 {
-   char *ptr = (char *)vk_alloc(alloc, ma->size, ma->align, scope);
+   void *ptr = vk_alloc(alloc, ma->size, ma->align, scope);
    if (!ptr)
       return NULL;
 
@@ -250,7 +250,7 @@ vk_multialloc_alloc(struct vk_multialloc *ma,
    STATIC_ASSERT(ARRAY_SIZE(ma->ptrs) == 8);
 #define _VK_MULTIALLOC_UPDATE_POINTER(_i) \
    if ((_i) < ma->ptr_count) \
-      *ma->ptrs[_i] = ptr + (uintptr_t)*ma->ptrs[_i]
+      *ma->ptrs[_i] = (char *)ptr + (uintptr_t)*ma->ptrs[_i]
    _VK_MULTIALLOC_UPDATE_POINTER(0);
    _VK_MULTIALLOC_UPDATE_POINTER(1);
    _VK_MULTIALLOC_UPDATE_POINTER(2);