Zebediah Figura : vkd3d-shader/hlsl: Add a hlsl_cleanup_semantic() helper.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 8755a92196a57070dbe5e4254c754c7b32d7bc19
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/8755a92196a57070dbe5e4254c754c...

Author: Zebediah Figura <zfigura(a)codeweavers.com>
Date:   Tue Jan 31 19:44:46 2023 -0600

vkd3d-shader/hlsl: Add a hlsl_cleanup_semantic() helper.

---

 libs/vkd3d-shader/hlsl.c         | 10 ++++++++--
 libs/vkd3d-shader/hlsl.h         |  2 ++
 libs/vkd3d-shader/hlsl.y         |  2 +-
 libs/vkd3d-shader/hlsl_codegen.c |  2 +-
 4 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/libs/vkd3d-shader/hlsl.c b/libs/vkd3d-shader/hlsl.c
index 497c7763..5f4bd01a 100644
--- a/libs/vkd3d-shader/hlsl.c
+++ b/libs/vkd3d-shader/hlsl.c
@@ -113,7 +113,7 @@ struct hlsl_ir_var *hlsl_get_var(struct hlsl_scope *scope, const char *name)
 void hlsl_free_var(struct hlsl_ir_var *decl)
 {
     vkd3d_free((void *)decl->name);
-    vkd3d_free((void *)decl->semantic.name);
+    hlsl_cleanup_semantic(&decl->semantic);
     vkd3d_free(decl);
 }
 
@@ -1998,7 +1998,7 @@ void hlsl_free_type(struct hlsl_type *type)
             field = &type->e.record.fields[i];
 
             vkd3d_free((void *)field->name);
-            vkd3d_free((void *)field->semantic.name);
+            hlsl_cleanup_semantic(&field->semantic);
         }
         vkd3d_free((void *)type->e.record.fields);
     }
@@ -2155,6 +2155,12 @@ void hlsl_free_attribute(struct hlsl_attribute *attr)
     vkd3d_free(attr);
 }
 
+void hlsl_cleanup_semantic(struct hlsl_semantic *semantic)
+{
+    vkd3d_free((void *)semantic->name);
+    memset(semantic, 0, sizeof(*semantic));
+}
+
 static void free_function_decl(struct hlsl_ir_function_decl *decl)
 {
     unsigned int i;
diff --git a/libs/vkd3d-shader/hlsl.h b/libs/vkd3d-shader/hlsl.h
index fd6abe14..f6696e4e 100644
--- a/libs/vkd3d-shader/hlsl.h
+++ b/libs/vkd3d-shader/hlsl.h
@@ -974,7 +974,9 @@ int hlsl_emit_bytecode(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry
         enum vkd3d_shader_target_type target_type, struct vkd3d_shader_code *out);
 
 bool hlsl_copy_deref(struct hlsl_ctx *ctx, struct hlsl_deref *deref, const struct hlsl_deref *other);
+
 void hlsl_cleanup_deref(struct hlsl_deref *deref);
+void hlsl_cleanup_semantic(struct hlsl_semantic *semantic);
 
 void hlsl_replace_node(struct hlsl_ir_node *old, struct hlsl_ir_node *new);
 
diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y
index 00af3f46..a0e2707f 100644
--- a/libs/vkd3d-shader/hlsl.y
+++ b/libs/vkd3d-shader/hlsl.y
@@ -922,7 +922,7 @@ static void free_parse_variable_def(struct parse_variable_def *v)
     free_parse_initializer(&v->initializer);
     vkd3d_free(v->arrays.sizes);
     vkd3d_free(v->name);
-    vkd3d_free((void *)v->semantic.name);
+    hlsl_cleanup_semantic(&v->semantic);
     vkd3d_free(v);
 }
 
diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c
index 25055de5..308e3dae 100644
--- a/libs/vkd3d-shader/hlsl_codegen.c
+++ b/libs/vkd3d-shader/hlsl_codegen.c
@@ -227,7 +227,7 @@ static struct hlsl_ir_var *add_semantic_var(struct hlsl_ctx *ctx, struct hlsl_ir
             type, var->loc, &new_semantic, modifiers, NULL)))
     {
         hlsl_release_string_buffer(ctx, name);
-        vkd3d_free((void *)new_semantic.name);
+        hlsl_cleanup_semantic(&new_semantic);
         return NULL;
     }
     hlsl_release_string_buffer(ctx, name);