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 rate[4] = "rate";
static const char seq[4] = "seq "; 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) 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))) 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))) 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 * simply ignore this because it is pure
* non-information. * non-information.
*/ */
rtp = (riff_tag_t *)(((char *)rtp) + 4); rtp = SKIP_TAG(rtp,4);
} }
else if(!memcmp(rtp->tag, icon, sizeof(icon))) 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) */ /* FIXME: This relies in sizeof(DWORD) == sizeof(pointer_type) */
if((DWORD)rtp & 1) 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))) 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))) 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) */ /* FIXME: This relies in sizeof(DWORD) == sizeof(pointer_type) */
if((DWORD)rtp & 1) if((DWORD)rtp & 1)
((char *)rtp)++; rtp = SKIP_TAG(rtp,1);
} }
/* We must end correctly here */ /* We must end correctly here */