Use calloc instead of alloc+memset

Replace naked uses of malloc & free with loader_alloc & loader_free.

5 files changed, 34 insertions, 44 deletions

diff --git a/loader/loader.c b/loader/loader.c
index 98c5ff2e..3d95c0ac 100644
--- a/loader/loader.c
+++ b/loader/loader.c
@@ -338,13 +338,12 @@ static struct loader_layer_properties *loader_get_next_layer_property_slot(const
                                                                            struct loader_layer_list *layer_list) {
     if (layer_list->capacity == 0) {
         layer_list->list =
-            loader_instance_heap_alloc(inst, sizeof(struct loader_layer_properties) * 64, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+            loader_instance_heap_calloc(inst, sizeof(struct loader_layer_properties) * 64, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
         if (layer_list->list == NULL) {
             loader_log(inst, VULKAN_LOADER_ERROR_BIT, 0,
                        "loader_get_next_layer_property_slot: Out of memory can not add any layer properties to list");
             return NULL;
         }
-        memset(layer_list->list, 0, sizeof(struct loader_layer_properties) * 64);
         layer_list->capacity = sizeof(struct loader_layer_properties) * 64;
     }
 
@@ -641,12 +640,11 @@ VkResult loader_init_generic_list(const struct loader_instance *inst, struct loa
     size_t capacity = 32 * element_size;
     list_info->count = 0;
     list_info->capacity = 0;
-    list_info->list = loader_instance_heap_alloc(inst, capacity, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+    list_info->list = loader_instance_heap_calloc(inst, capacity, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
     if (list_info->list == NULL) {
         loader_log(inst, VULKAN_LOADER_ERROR_BIT, 0, "loader_init_generic_list: Failed to allocate space for generic list");
         return VK_ERROR_OUT_OF_HOST_MEMORY;
     }
-    memset(list_info->list, 0, capacity);
     list_info->capacity = capacity;
     return VK_SUCCESS;
 }
@@ -780,11 +778,10 @@ bool loader_add_meta_layer(const struct loader_instance *inst, const struct load
 // Manage lists of VkLayerProperties
 static bool loader_init_layer_list(const struct loader_instance *inst, struct loader_layer_list *list) {
     list->capacity = 32 * sizeof(struct loader_layer_properties);
-    list->list = loader_instance_heap_alloc(inst, list->capacity, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+    list->list = loader_instance_heap_calloc(inst, list->capacity, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
     if (list->list == NULL) {
         return false;
     }
-    memset(list->list, 0, list->capacity);
     list->count = 0;
     return true;
 }
@@ -1271,13 +1268,11 @@ static void loader_icd_destroy(struct loader_instance *ptr_inst, struct loader_i
 static struct loader_icd_term *loader_icd_create(const struct loader_instance *inst) {
     struct loader_icd_term *icd_term;
 
-    icd_term = loader_instance_heap_alloc(inst, sizeof(struct loader_icd_term), VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+    icd_term = loader_instance_heap_calloc(inst, sizeof(struct loader_icd_term), VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
     if (!icd_term) {
         return NULL;
     }
 
-    memset(icd_term, 0, sizeof(struct loader_icd_term));
-
     return icd_term;
 }
 
@@ -5712,15 +5707,14 @@ VkResult setup_loader_tramp_phys_devs(struct loader_instance *inst, uint32_t phy
         // Something is different, so do the full path of checking every device and creating a new array to use.
         // This can happen if a device was added, or removed, or we hadn't previously queried all the data and we
         // have more to store.
-        new_phys_devs = loader_instance_heap_alloc(inst, sizeof(struct loader_physical_device_tramp *) * new_count,
-                                                   VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+        new_phys_devs = loader_instance_heap_calloc(inst, sizeof(struct loader_physical_device_tramp *) * new_count,
+                                                    VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
         if (NULL == new_phys_devs) {
             loader_log(inst, VULKAN_LOADER_ERROR_BIT, 0,
                        "setup_loader_tramp_phys_devs:  Failed to allocate new physical device array of size %d", new_count);
             res = VK_ERROR_OUT_OF_HOST_MEMORY;
             goto out;
         }
-        memset(new_phys_devs, 0, sizeof(struct loader_physical_device_tramp *) * new_count);
 
         if (new_count > phys_dev_count) {
             found_count = phys_dev_count;
@@ -5981,15 +5975,14 @@ VkResult setup_loader_term_phys_devs(struct loader_instance *inst) {
     }
 
     // Create an allocation large enough to hold both the windows sorting enumeration and non-windows physical device enumeration
-    new_phys_devs = loader_instance_heap_alloc(inst, sizeof(struct loader_physical_device_term *) * new_phys_devs_count,
-                                               VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+    new_phys_devs = loader_instance_heap_calloc(inst, sizeof(struct loader_physical_device_term *) * new_phys_devs_count,
+                                                VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
     if (NULL == new_phys_devs) {
         loader_log(inst, VULKAN_LOADER_ERROR_BIT, 0,
                    "setup_loader_term_phys_devs:  Failed to allocate new physical device array of size %d", new_phys_devs_count);
         res = VK_ERROR_OUT_OF_HOST_MEMORY;
         goto out;
     }
-    memset(new_phys_devs, 0, sizeof(struct loader_physical_device_term *) * new_phys_devs_count);
 
     // Current index into the new_phys_devs array - increment whenever we've written in.
     uint32_t idx = 0;
@@ -6598,7 +6591,7 @@ VKAPI_ATTR VkResult VKAPI_CALL terminator_EnumeratePhysicalDeviceGroups(
     if (NULL != pPhysicalDeviceGroupProperties) {
         // Create an array for the new physical device groups, which will be stored
         // in the instance for the Terminator code.
-        new_phys_dev_groups = (VkPhysicalDeviceGroupProperties **)loader_instance_heap_alloc(
+        new_phys_dev_groups = (VkPhysicalDeviceGroupProperties **)loader_instance_heap_calloc(
             inst, total_count * sizeof(VkPhysicalDeviceGroupProperties *), VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
         if (NULL == new_phys_dev_groups) {
             loader_log(inst, VULKAN_LOADER_ERROR_BIT, 0,
@@ -6607,7 +6600,6 @@ VKAPI_ATTR VkResult VKAPI_CALL terminator_EnumeratePhysicalDeviceGroups(
             res = VK_ERROR_OUT_OF_HOST_MEMORY;
             goto out;
         }
-        memset(new_phys_dev_groups, 0, total_count * sizeof(VkPhysicalDeviceGroupProperties *));
 
         // Create a temporary array (on the stack) to keep track of the
         // returned VkPhysicalDevice values.
diff --git a/loader/loader_linux.c b/loader/loader_linux.c
index 4df20134..cb4bcab1 100644
--- a/loader/loader_linux.c
+++ b/loader/loader_linux.c
@@ -238,13 +238,12 @@ VkResult linux_read_sorted_physical_devices(struct loader_instance *inst, uint32
     VkResult res = VK_SUCCESS;
     bool app_is_vulkan_1_1 = loader_check_version_meets_required(LOADER_VERSION_1_1_0, inst->app_api_version);
 
-    struct LinuxSortedDeviceInfo *sorted_device_info =
-        loader_instance_heap_alloc(inst, phys_dev_count * sizeof(struct LinuxSortedDeviceInfo), VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
+    struct LinuxSortedDeviceInfo *sorted_device_info = loader_instance_heap_calloc(
+        inst, phys_dev_count * sizeof(struct LinuxSortedDeviceInfo), VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
     if (NULL == sorted_device_info) {
         res = VK_ERROR_OUT_OF_HOST_MEMORY;
         goto out;
     }
-    memset(sorted_device_info, 0, phys_dev_count * sizeof(struct LinuxSortedDeviceInfo));
 
     loader_log(inst, VULKAN_LOADER_INFO_BIT | VULKAN_LOADER_DRIVER_BIT, 0, "linux_read_sorted_physical_devices:");
     loader_log(inst, VULKAN_LOADER_INFO_BIT | VULKAN_LOADER_DRIVER_BIT, 0, "     Original order:");
diff --git a/loader/loader_windows.c b/loader/loader_windows.c
index 27dcd73c..cc469a4e 100644
--- a/loader/loader_windows.c
+++ b/loader/loader_windows.c
@@ -804,15 +804,13 @@ VkResult windows_read_sorted_physical_devices(struct loader_instance *inst, uint
         goto out;
     }
     sorted_alloc = 16;
-    *sorted_devices =
-        loader_instance_heap_alloc(inst, sorted_alloc * sizeof(struct loader_phys_dev_per_icd), VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
+    *sorted_devices = loader_instance_heap_calloc(inst, sorted_alloc * sizeof(struct loader_phys_dev_per_icd),
+                                                  VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
     if (*sorted_devices == NULL) {
         res = VK_ERROR_OUT_OF_HOST_MEMORY;
         goto out;
     }
 
-    memset(*sorted_devices, 0, sorted_alloc * sizeof(struct loader_phys_dev_per_icd));
-
     for (uint32_t i = 0;; ++i) {
         IDXGIAdapter1 *adapter;
         hres = dxgi_factory->lpVtbl->EnumAdapterByGpuPreference(dxgi_factory, i, DXGI_GPU_PREFERENCE_UNSPECIFIED,
@@ -998,4 +996,4 @@ VkResult windows_sort_physical_device_groups(struct loader_instance *inst, const
     return VK_SUCCESS;
 }
 
-#endif  // _WIN32
\ No newline at end of file
+#endif  // _WIN32
diff --git a/loader/trampoline.c b/loader/trampoline.c
index 4f34b84e..075b939c 100644
--- a/loader/trampoline.c
+++ b/loader/trampoline.c
@@ -164,11 +164,11 @@ LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceExtensionPropert
     loader_scan_for_implicit_layers(NULL, &layers);
 
     // We'll need to save the dl handles so we can close them later
-    loader_platform_dl_handle *libs = malloc(sizeof(loader_platform_dl_handle) * layers.count);
+    loader_platform_dl_handle *libs =
+        loader_calloc(NULL, sizeof(loader_platform_dl_handle) * layers.count, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
     if (libs == NULL && layers.count > 0) {
         return VK_ERROR_OUT_OF_HOST_MEMORY;
     }
-    memset(libs, 0, sizeof(loader_platform_dl_handle) * layers.count);
     size_t lib_count = 0;
 
     // Prepend layers onto the chain if they implement this entry point
@@ -195,7 +195,8 @@ LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceExtensionPropert
             continue;
         }
 
-        VkEnumerateInstanceExtensionPropertiesChain *chain_link = malloc(sizeof(VkEnumerateInstanceExtensionPropertiesChain));
+        VkEnumerateInstanceExtensionPropertiesChain *chain_link =
+            loader_alloc(NULL, sizeof(VkEnumerateInstanceExtensionPropertiesChain), VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
         if (chain_link == NULL) {
             res = VK_ERROR_OUT_OF_HOST_MEMORY;
             break;
@@ -222,14 +223,14 @@ LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceExtensionPropert
     while (chain_head != &chain_tail) {
         VkEnumerateInstanceExtensionPropertiesChain *holder = chain_head;
         chain_head = (VkEnumerateInstanceExtensionPropertiesChain *)chain_head->pNextLink;
-        free(holder);
+        loader_free(NULL, holder);
     }
 
     // Close the dl handles
     for (size_t i = 0; i < lib_count; ++i) {
         loader_platform_close_library(libs[i]);
     }
-    free(libs);
+    loader_free(NULL, libs);
 
     return res;
 }
@@ -258,8 +259,8 @@ LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceLayerProperties(
     loader_scan_for_implicit_layers(NULL, &layers);
 
     // We'll need to save the dl handles so we can close them later
-    loader_platform_dl_handle *libs = malloc(sizeof(loader_platform_dl_handle) * layers.count);
-    memset(libs, 0, sizeof(loader_platform_dl_handle) * layers.count);
+    loader_platform_dl_handle *libs =
+        loader_calloc(NULL, sizeof(loader_platform_dl_handle) * layers.count, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
     if (libs == NULL && layers.count > 0) {
         return VK_ERROR_OUT_OF_HOST_MEMORY;
     }
@@ -289,7 +290,8 @@ LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceLayerProperties(
             continue;
         }
 
-        VkEnumerateInstanceLayerPropertiesChain *chain_link = malloc(sizeof(VkEnumerateInstanceLayerPropertiesChain));
+        VkEnumerateInstanceLayerPropertiesChain *chain_link =
+            loader_alloc(NULL, sizeof(VkEnumerateInstanceLayerPropertiesChain), VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
         if (chain_link == NULL) {
             res = VK_ERROR_OUT_OF_HOST_MEMORY;
             break;
@@ -316,14 +318,14 @@ LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceLayerProperties(
     while (chain_head != &chain_tail) {
         VkEnumerateInstanceLayerPropertiesChain *holder = chain_head;
         chain_head = (VkEnumerateInstanceLayerPropertiesChain *)chain_head->pNextLink;
-        free(holder);
+        loader_free(NULL, holder);
     }
 
     // Close the dl handles
     for (size_t i = 0; i < lib_count; ++i) {
         loader_platform_close_library(libs[i]);
     }
-    free(libs);
+    loader_free(NULL, libs);
 
     return res;
 }
@@ -359,11 +361,11 @@ LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceVersion(uint32_t
     loader_scan_for_implicit_layers(NULL, &layers);
 
     // We'll need to save the dl handles so we can close them later
-    loader_platform_dl_handle *libs = malloc(sizeof(loader_platform_dl_handle) * layers.count);
+    loader_platform_dl_handle *libs =
+        loader_calloc(NULL, sizeof(loader_platform_dl_handle) * layers.count, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
     if (libs == NULL && layers.count > 0) {
         return VK_ERROR_OUT_OF_HOST_MEMORY;
     }
-    memset(libs, 0, sizeof(loader_platform_dl_handle) * layers.count);
     size_t lib_count = 0;
 
     // Prepend layers onto the chain if they implement this entry point
@@ -388,7 +390,8 @@ LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceVersion(uint32_t
             continue;
         }
 
-        VkEnumerateInstanceVersionChain *chain_link = malloc(sizeof(VkEnumerateInstanceVersionChain));
+        VkEnumerateInstanceVersionChain *chain_link =
+            loader_alloc(NULL, sizeof(VkEnumerateInstanceVersionChain), VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
         if (chain_link == NULL) {
             res = VK_ERROR_OUT_OF_HOST_MEMORY;
             break;
@@ -415,14 +418,14 @@ LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceVersion(uint32_t
     while (chain_head != &chain_tail) {
         VkEnumerateInstanceVersionChain *holder = chain_head;
         chain_head = (VkEnumerateInstanceVersionChain *)chain_head->pNextLink;
-        free(holder);
+        loader_free(NULL, holder);
     }
 
     // Close the dl handles
     for (size_t i = 0; i < lib_count; ++i) {
         loader_platform_close_library(libs[i]);
     }
-    free(libs);
+    loader_free(NULL, libs);
 
     return res;
 }
diff --git a/loader/wsi.c b/loader/wsi.c
index 48d0adeb..23c589b1 100644
--- a/loader/wsi.c
+++ b/loader/wsi.c
@@ -528,13 +528,11 @@ static VkIcdSurface *AllocateIcdSurfaceStruct(struct loader_instance *instance,
         pIcdSurface->non_platform_offset = (uint32_t)((uint8_t *)(&pIcdSurface->base_size) - (uint8_t *)pIcdSurface);
         pIcdSurface->entire_size = sizeof(VkIcdSurface);
 
-        pIcdSurface->real_icd_surfaces = loader_instance_heap_alloc(instance, sizeof(VkSurfaceKHR) * instance->total_icd_count,
-                                                                    VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+        pIcdSurface->real_icd_surfaces = loader_instance_heap_calloc(instance, sizeof(VkSurfaceKHR) * instance->total_icd_count,
+                                                                     VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
         if (pIcdSurface->real_icd_surfaces == NULL) {
             loader_instance_heap_free(instance, pIcdSurface);
             pIcdSurface = NULL;
-        } else {
-            memset(pIcdSurface->real_icd_surfaces, 0, sizeof(VkSurfaceKHR) * instance->total_icd_count);
         }
     }
     return pIcdSurface;