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examples/screencopy-dmabuf: call strncpy with maxlen - 1
The original code wasn't wrong since we were manually writing a null byte anyway, but this makes GCC happy. Closes: https://github.com/swaywm/wlroots/issues/2273
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@ -87,7 +87,7 @@ static bool find_render_node(char *node, size_t maxlen) {
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continue;
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}
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strncpy(node, dev->nodes[DRM_NODE_RENDER], maxlen);
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strncpy(node, dev->nodes[DRM_NODE_RENDER], maxlen - 1);
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node[maxlen - 1] = '\0';
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r = true;
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break;
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