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d3dx9: Avoid overflowing debug channel buffer when tracing ASCII effect errors. 

Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Matteo Bruni 2016-06-28 19:06:04 +02:00 committed by Alexandre Julliard
parent b62c3a894b
commit 901c96ef9c
1 changed files with 16 additions and 1 deletions
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17
dlls/d3dx9_36/effect.c
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@ -5969,7 +5969,22 @@ static HRESULT d3dx9_base_effect_init(struct d3dx9_base_effect *base,
if (bytecode)
ID3D10Blob_Release(bytecode);
if (temp_errors)
TRACE("%s\n", (char *)ID3D10Blob_GetBufferPointer(temp_errors));
{
const char *error_string = ID3D10Blob_GetBufferPointer(temp_errors);
const char *string_ptr;
while (*error_string)
{
string_ptr = error_string;
while (*string_ptr && *string_ptr != '\n' && *string_ptr != '\r'
&& string_ptr - error_string < 80)
++string_ptr;
TRACE("%s\n", debugstr_an(error_string, string_ptr - error_string));
error_string = string_ptr;
while (*error_string == '\n' || *error_string == '\r')
++error_string;
}
}
if (errors)
*errors = temp_errors;
else if (temp_errors)