shaper: drop prealloc parameter of ass_shaper_new

The only prealloc value actually used is 0, which is not useful
and invokes implementation-defined (and potentially obsolescent
as per C11 DR400) behavior.

3 files changed, 4 insertions, 7 deletions

diff --git a/libass/ass_render.c b/libass/ass_render.c
index 40ee3d1..7bc9554 100644
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -108,7 +108,7 @@ ASS_Renderer *ass_renderer_init(ASS_Library *library)
     priv->settings.font_size_coeff = 1.;
     priv->settings.selective_style_overrides = ASS_OVERRIDE_BIT_SELECTIVE_FONT_SCALE;
 
-    if (!(priv->shaper = ass_shaper_new(0)))
+    if (!(priv->shaper = ass_shaper_new()))
         goto fail;
 
     ass_shaper_info(library);
diff --git a/libass/ass_shaper.c b/libass/ass_shaper.c
index 80e78aa..171704b 100644
--- a/libass/ass_shaper.c
+++ b/libass/ass_shaper.c
@@ -947,18 +947,15 @@ int ass_shaper_shape(ASS_Shaper *shaper, TextInfo *text_info)
 }
 
 /**
- * \brief Create a new shaper instance and preallocate data structures
- * \param prealloc preallocation size
+ * \brief Create a new shaper instance
  */
-ASS_Shaper *ass_shaper_new(size_t prealloc)
+ASS_Shaper *ass_shaper_new(void)
 {
     ASS_Shaper *shaper = calloc(sizeof(*shaper), 1);
     if (!shaper)
         return NULL;
 
     shaper->base_direction = FRIBIDI_PAR_ON;
-    if (!check_allocations(shaper, prealloc))
-        goto error;
 
 #ifdef CONFIG_HARFBUZZ
     if (!init_features(shaper))
diff --git a/libass/ass_shaper.h b/libass/ass_shaper.h
index f6404fe..5001fc7 100644
--- a/libass/ass_shaper.h
+++ b/libass/ass_shaper.h
@@ -25,7 +25,7 @@ typedef struct ass_shaper ASS_Shaper;
 #include "ass_render.h"
 
 void ass_shaper_info(ASS_Library *lib);
-ASS_Shaper *ass_shaper_new(size_t prealloc);
+ASS_Shaper *ass_shaper_new(void);
 void ass_shaper_free(ASS_Shaper *shaper);
 void ass_shaper_empty_cache(ASS_Shaper *shaper);
 void ass_shaper_set_kerning(ASS_Shaper *shaper, int kern);