From 0a3fc5be05c3f19eaa637628c20ab49640ae1faf Mon Sep 17 00:00:00 2001 From: akr Date: Sat, 13 Sep 2008 09:52:02 +0000 Subject: * transcode.c (rb_transcoding): align state field. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19326 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- transcode.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) (limited to 'transcode.c') diff --git a/transcode.c b/transcode.c index 8bb5f7bede..4d1107ddc4 100644 --- a/transcode.c +++ b/transcode.c @@ -67,7 +67,10 @@ typedef struct rb_transcoding { unsigned char *ptr; /* length: max_output */ } writebuf; - void *state; /* opaque data for stateful encoding */ + union rb_transcoding_state_t { /* opaque data for stateful encoding */ + void *ptr; + double dummy_for_alignment; + } state; } rb_transcoding; #define TRANSCODING_READBUF(tc) \ ((tc)->transcoder->max_input <= sizeof((tc)->readbuf.ary) ? \ @@ -77,11 +80,11 @@ typedef struct rb_transcoding { ((tc)->transcoder->max_output <= sizeof((tc)->writebuf.ary) ? \ (tc)->writebuf.ary : \ (tc)->writebuf.ptr) -#define TRANSCODING_STATE_EMBED_MAX sizeof(void *) +#define TRANSCODING_STATE_EMBED_MAX sizeof(union rb_transcoding_state_t) #define TRANSCODING_STATE(tc) \ ((tc)->transcoder->state_size <= sizeof((tc)->state) ? \ (void *)&(tc)->state : \ - (tc)->state) + (tc)->state.ptr) typedef struct { struct rb_transcoding *tc; @@ -728,7 +731,7 @@ rb_transcoding_open_by_transcoder(const rb_transcoder *tr, int flags) tc->transcoder = tr; tc->flags = flags; if (TRANSCODING_STATE_EMBED_MAX < tr->state_size) - tc->state = xmalloc(tr->state_size); + tc->state.ptr = xmalloc(tr->state_size); if (tr->state_init_func) { (tr->state_init_func)(TRANSCODING_STATE(tc)); /* xxx: check return value */ } @@ -766,7 +769,7 @@ rb_transcoding_close(rb_transcoding *tc) (tr->state_fini_func)(TRANSCODING_STATE(tc)); /* check return value? */ } if (TRANSCODING_STATE_EMBED_MAX < tr->state_size) - xfree(tc->state); + xfree(tc->state.ptr); if (sizeof(tc->readbuf.ary) < tr->max_input) xfree(tc->readbuf.ptr); if (sizeof(tc->writebuf.ary) < tr->max_output) -- cgit v1.2.3