smolscale: Fix unaligned access

hpjansson · hpjansson · commit 75bd00ac1885 · 2026-01-18T00:09:29.000+01:00
This was causing a sigbus on sparc64. Fixes #184 (GitHub).
diff --git a/chafa/internal/smolscale/smolscale.c b/chafa/internal/smolscale/smolscale.c
@@ -858,7 +858,7 @@ find_repacks (const SmolImplementation **implementations,
                     do_reorder (mid_order, dest_order,
                                 reorder_meta [SMOL_REPACK_SIGNATURE_GET_REORDER (dest_meta->signature)].dest);
 
-                    if (*((const uint32_t *) dest_order) == *((const uint32_t *) dest_pmeta->order))
+                    if (!memcmp (&dest_order, &dest_pmeta->order, sizeof (dest_order)))
                     {
                         /* Success */
                         goto out;

Original file line number	Diff line number	Diff line change
`@@ -858,7 +858,7 @@ find_repacks (const SmolImplementation **implementations,`
`858`	`858`	`do_reorder (mid_order, dest_order,`
`859`	`859`	`reorder_meta [SMOL_REPACK_SIGNATURE_GET_REORDER (dest_meta->signature)].dest);`
`860`	`860`
`861`		`- if (((const uint32_t ) dest_order) == ((const uint32_t ) dest_pmeta->order))`
	`861`	`+ if (!memcmp (&dest_order, &dest_pmeta->order, sizeof (dest_order)))`
`862`	`862`	`{`
`863`	`863`	`/* Success */`
`864`	`864`	`goto out;`