[PATCH vkd3d 1/3] vkd3d-shader: Don't resize the buffer when there is enough free space.

[Matteo Bruni]

Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
---
 libs/vkd3d-shader/vkd3d_shader_main.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libs/vkd3d-shader/vkd3d_shader_main.c b/libs/vkd3d-shader/vkd3d_shader_main.c
index 78312a14..9a4560a3 100644
--- a/libs/vkd3d-shader/vkd3d_shader_main.c
+++ b/libs/vkd3d-shader/vkd3d_shader_main.c
@@ -41,10 +41,12 @@ static void vkd3d_string_buffer_clear(struct vkd3d_string_buffer *buffer)
 
 static bool vkd3d_string_buffer_resize(struct vkd3d_string_buffer *buffer, int rc)
 {
-    unsigned int new_buffer_size = buffer->buffer_size * 2;
+    unsigned int new_buffer_size = max(buffer->buffer_size * 2, 32);
     char *new_buffer;
 
-    new_buffer_size = max(new_buffer_size, 32);
+    if (rc < buffer->buffer_size - buffer->content_size)
+        return true;
+
     while (rc > 0 && (unsigned int)rc >= new_buffer_size - buffer->content_size)
         new_buffer_size *= 2;
     if (!(new_buffer = vkd3d_realloc(buffer->buffer, new_buffer_size)))
-- 
2.26.3