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RENDER: Fix check for convolution filter 

The X11 server's answer is not \0-terminated, so xcb_str_name() also
does not provide a \0-terminated pointer.

Signed-off-by: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Uli Schlachter 2018-09-28 10:45:16 +02:00
parent 539d62ca93
commit 7719dc7325
1 changed files with 2 additions and 1 deletions
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3
src/compton.c
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@ -4740,7 +4740,8 @@ init_filters(session_t *ps) {
xcb_str_iterator_t iter = xcb_render_query_filters_filters_iterator(pf);
for (; iter.rem; xcb_str_next(&iter)) {
// Convolution filter
if (!strcmp(xcb_str_name(iter.data), XRFILTER_CONVOLUTION))
if (strlen(XRFILTER_CONVOLUTION) == xcb_str_name_length(iter.data)
&& !memcmp(XRFILTER_CONVOLUTION, xcb_str_name(iter.data), strlen(XRFILTER_CONVOLUTION)))
ps->xrfilter_convolution_exists = true;
}
free(pf);