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error: SDL's allocators now call SDL_OutOfMemory on error.

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This means the allocator's caller doesn't need to use SDL_OutOfMemory directly
if the allocation fails.

This applies to the usual allocators: SDL_malloc, SDL_calloc, SDL_realloc
(all of these regardless of if the app supplied a custom allocator or we're
using system malloc() or an internal copy of dlmalloc under the hood),
SDL_aligned_alloc, SDL_small_alloc, SDL_strdup, SDL_asprintf, SDL_wcsdup...
probably others. If it returns something you can pass to SDL_free, it should
work.

The caller might still need to use SDL_OutOfMemory if something that wasn't
SDL allocated the memory: operator new in C++ code, Objective-C's alloc
message, win32 GlobalAlloc, etc.

Fixes #8642.
This commit is contained in:
Ryan C. Gordon
2023-11-30 00:14:27 -05:00
parent 70b65d4170
commit 447b508a77
197 changed files with 313 additions and 742 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
src/SDL_properties.c
View File

@@ -271,7 +271,7 @@ int SDL_SetPropertyWithCleanup(SDL_PropertiesID props, const char *name, void *v
property = (SDL_Property *)SDL_calloc(1, sizeof(*property));
if (!property) {
return SDL_OutOfMemory();
return -1;
}
property->type = SDL_PROPERTY_TYPE_POINTER;
property->value.pointer_value = value;
@@ -290,7 +290,7 @@ int SDL_SetProperty(SDL_PropertiesID props, const char *name, void *value)
property = (SDL_Property *)SDL_calloc(1, sizeof(*property));
if (!property) {
return SDL_OutOfMemory();
return -1;
}
property->type = SDL_PROPERTY_TYPE_POINTER;
property->value.pointer_value = value;
@@ -308,13 +308,13 @@ int SDL_SetStringProperty(SDL_PropertiesID props, const char *name, const char *
property = (SDL_Property *)SDL_calloc(1, sizeof(*property));
if (!property) {
return SDL_OutOfMemory();
return -1;
}
property->type = SDL_PROPERTY_TYPE_STRING;
property->value.string_value = SDL_strdup(value);
if (!property->value.string_value) {
SDL_free(property);
return SDL_OutOfMemory();
return -1;
}
return SDL_PrivateSetProperty(props, name, property);
}
@@ -323,7 +323,7 @@ int SDL_SetNumberProperty(SDL_PropertiesID props, const char *name, Sint64 value
{
SDL_Property *property = (SDL_Property *)SDL_calloc(1, sizeof(*property));
if (!property) {
return SDL_OutOfMemory();
return -1;
}
property->type = SDL_PROPERTY_TYPE_NUMBER;
property->value.number_value = value;
@@ -334,7 +334,7 @@ int SDL_SetFloatProperty(SDL_PropertiesID props, const char *name, float value)
{
SDL_Property *property = (SDL_Property *)SDL_calloc(1, sizeof(*property));
if (!property) {
return SDL_OutOfMemory();
return -1;
}
property->type = SDL_PROPERTY_TYPE_FLOAT;
property->value.float_value = value;
@@ -345,7 +345,7 @@ int SDL_SetBooleanProperty(SDL_PropertiesID props, const char *name, SDL_bool va
{
SDL_Property *property = (SDL_Property *)SDL_calloc(1, sizeof(*property));
if (!property) {
return SDL_OutOfMemory();
return -1;
}
property->type = SDL_PROPERTY_TYPE_BOOLEAN;
property->value.boolean_value = value ? SDL_TRUE : SDL_FALSE;
@@ -478,8 +478,6 @@ const char *SDL_GetStringProperty(SDL_PropertiesID props, const char *name, cons
SDL_asprintf(&property->string_storage, "%" SDL_PRIs64 "", property->value.number_value);
if (property->string_storage) {
value = property->string_storage;
} else {
SDL_OutOfMemory();
}
}
break;
@@ -490,8 +488,6 @@ const char *SDL_GetStringProperty(SDL_PropertiesID props, const char *name, cons
SDL_asprintf(&property->string_storage, "%f", property->value.float_value);
if (property->string_storage) {
value = property->string_storage;
} else {
SDL_OutOfMemory();
}
}
break;