Generic SKIP_TAG to skip a number of bytes, use it where applicable.

This commit is contained in:
Marcus Meissner 2004-07-06 19:26:28 +00:00 committed by Alexandre Julliard
parent e7874fd802
commit 1f787ca675
1 changed files with 8 additions and 6 deletions

View File

@ -702,7 +702,9 @@ static const char anih[4] = "anih";
static const char rate[4] = "rate";
static const char seq[4] = "seq ";
#define NEXT_TAG(p) ((riff_tag_t *)(((char *)p) + (isswapped ? BYTESWAP_DWORD(p->size) : p->size) + sizeof(*p)))
#define SKIP_TAG(p,size) ((riff_tag_t *)(((char *)p) + (size)))
#define NEXT_TAG(p) SKIP_TAG(p,(isswapped ? BYTESWAP_DWORD(p->size) : p->size) + sizeof(*p))
static void handle_ani_icon(riff_tag_t *rtp, enum res_e type, int isswapped)
{
@ -768,7 +770,7 @@ static void handle_ani_list(riff_tag_t *lst, enum res_e type, int isswapped)
{
if(!memcmp(rtp->tag, info, sizeof(info)))
{
rtp = (riff_tag_t *)(((char *)rtp) + 4);
rtp = SKIP_TAG(rtp,4);
}
else if(!memcmp(rtp->tag, inam, sizeof(inam)))
{
@ -786,7 +788,7 @@ static void handle_ani_list(riff_tag_t *lst, enum res_e type, int isswapped)
* simply ignore this because it is pure
* non-information.
*/
rtp = (riff_tag_t *)(((char *)rtp) + 4);
rtp = SKIP_TAG(rtp,4);
}
else if(!memcmp(rtp->tag, icon, sizeof(icon)))
{
@ -802,7 +804,7 @@ static void handle_ani_list(riff_tag_t *lst, enum res_e type, int isswapped)
/* FIXME: This relies in sizeof(DWORD) == sizeof(pointer_type) */
if((DWORD)rtp & 1)
((char *)rtp)++;
rtp = SKIP_TAG(rtp,1);
}
}
@ -865,7 +867,7 @@ ani_curico_t *new_ani_curico(enum res_e type, raw_data_t *rd, int *memopt)
{
if(!memcmp(rtp->tag, acon, sizeof(acon)))
{
rtp = (riff_tag_t *)(((char *)rtp) + 4);
rtp = SKIP_TAG(rtp,4);
}
else if(!memcmp(rtp->tag, list, sizeof(list)))
{
@ -913,7 +915,7 @@ ani_curico_t *new_ani_curico(enum res_e type, raw_data_t *rd, int *memopt)
/* FIXME: This relies in sizeof(DWORD) == sizeof(pointer_type) */
if((DWORD)rtp & 1)
((char *)rtp)++;
rtp = SKIP_TAG(rtp,1);
}
/* We must end correctly here */