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d3dxof: Avoid accessing template/object buffer directly.

This commit is contained in:
Christian Costa 2009-01-11 16:41:56 +01:00 committed by Alexandre Julliard
parent 619a74ec5f
commit 75ac489ea4
1 changed files with 17 additions and 12 deletions
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29
dlls/d3dxof/parsing.c
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@ -155,6 +155,12 @@ BOOL read_bytes(parse_buffer * buf, LPVOID data, DWORD size)
return TRUE;
}
static void rewind_bytes(parse_buffer * buf, DWORD size)
{
buf->buffer -= size;
buf->rem_bytes += size;
}
static void dump_TOKEN(WORD token)
{
#define DUMP_TOKEN(t) case t: TRACE(#t "\n"); break
@ -267,13 +273,15 @@ static WORD get_operator_token(char c)
static BOOL is_keyword(parse_buffer* buf, const char* keyword)
{
char tmp[9]; /* template keyword size + 1 */
DWORD len = strlen(keyword);
if (!strncasecmp((char*)buf->buffer, keyword,len) && is_separator(*(buf->buffer+len)))
read_bytes(buf, tmp, len+1);
if (!strncasecmp(tmp, keyword,len) && is_separator(tmp[len]))
{
buf->buffer += len;
buf->rem_bytes -= len;
rewind_bytes(buf, 1);
return TRUE;
}
rewind_bytes(buf, len+1);
return FALSE;
}
@ -527,8 +535,7 @@ static WORD parse_TOKEN(parse_buffer * buf)
}
else
{
buf->buffer -= 1;
buf->rem_bytes += 1;
rewind_bytes(buf, 1);
if ((token = get_keyword_token(buf)))
break;
@ -920,12 +927,12 @@ static BOOL parse_template_parts(parse_buffer * buf)
static void go_to_next_definition(parse_buffer * buf)
{
char c;
while (buf->rem_bytes)
{
char c = *buf->buffer;
read_bytes(buf, &c, 1);
if ((c == '#') || (c == '/'))
{
read_bytes(buf, &c, 1);
/* Handle comment (# or //) */
if (c == '/')
{
@ -942,13 +949,11 @@ static void go_to_next_definition(parse_buffer * buf)
}
continue;
}
else if (is_space(*buf->buffer))
else if (!is_space(c))
{
buf->buffer++;
buf->rem_bytes--;
}
else
rewind_bytes(buf, 1);
break;
}
}
}