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https://github.com/hyprwm/Hyprland
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build: fix 32bit builds (#7510)
ensure the correct type is passed to std::clamp and std::max int64_t is different on 64bit compared to 32bit, also in presentationtime tv_sec is __time_t and on 32bit its a 32bit type so right shift count >= width of type. so only bit shift on 64bit. and avoid potential nullptr deref in the for loops, check for .end() before *it <= endID.
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ca85455a8e
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9c5a37a797
2 changed files with 10 additions and 6 deletions
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@ -353,13 +353,13 @@ SWorkspaceIDName getWorkspaceIDNameFromString(const std::string& in) {
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char walkDir = in[1];
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// sanitize. 0 means invalid oob in -
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predictedWSID = std::max(predictedWSID, 0L);
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predictedWSID = std::max(predictedWSID, static_cast<int64_t>(0));
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// Count how many invalidWSes are in between (how bad the prediction was)
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WORKSPACEID beginID = in[1] == '+' ? activeWSID + 1 : predictedWSID;
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WORKSPACEID endID = in[1] == '+' ? predictedWSID : activeWSID;
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auto begin = invalidWSes.upper_bound(beginID - 1); // upper_bound is >, we want >=
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for (auto it = begin; *it <= endID && it != invalidWSes.end(); it++) {
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for (auto it = begin; it != invalidWSes.end() && *it <= endID; it++) {
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remainingWSes++;
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}
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@ -376,7 +376,7 @@ SWorkspaceIDName getWorkspaceIDNameFromString(const std::string& in) {
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}
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currentItem += remains;
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currentItem = std::max(currentItem, 0UL);
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currentItem = std::max(currentItem, static_cast<size_t>(0));
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if (currentItem >= namedWSes.size()) {
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// At the seam between namedWSes and normal WSes. Behave like r+[diff] at imaginary ws 0
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size_t diff = currentItem - (namedWSes.size() - 1);
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@ -384,7 +384,7 @@ SWorkspaceIDName getWorkspaceIDNameFromString(const std::string& in) {
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WORKSPACEID beginID = 1;
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WORKSPACEID endID = predictedWSID;
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auto begin = invalidWSes.upper_bound(beginID - 1); // upper_bound is >, we want >=
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for (auto it = begin; *it <= endID && it != invalidWSes.end(); it++) {
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for (auto it = begin; it != invalidWSes.end() && *it <= endID; it++) {
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remainingWSes++;
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}
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walkDir = '+';
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@ -413,7 +413,7 @@ SWorkspaceIDName getWorkspaceIDNameFromString(const std::string& in) {
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// Need remainingWSes more
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auto namedWSIdx = namedWSes.size() - remainingWSes;
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// Sanitze
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namedWSIdx = std::clamp(namedWSIdx, 0UL, namedWSes.size() - 1);
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namedWSIdx = std::clamp(namedWSIdx, static_cast<size_t>(0), namedWSes.size() - static_cast<size_t>(1));
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finalWSID = namedWSes[namedWSIdx];
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} else {
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// Couldn't find valid workspace in negative direction, search last first one back up positive direction
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@ -58,8 +58,12 @@ void CPresentationFeedback::sendQueued(SP<CQueuedPresentationData> data, timespe
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if (reportedFlags & Aquamarine::IOutput::AQ_OUTPUT_PRESENT_HW_COMPLETION)
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flags |= WP_PRESENTATION_FEEDBACK_KIND_HW_COMPLETION;
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__time_t tv_sec = 0;
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if (sizeof(__time_t) > 4)
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tv_sec = when->tv_sec >> 32;
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if (data->wasPresented)
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resource->sendPresented((uint32_t)(when->tv_sec >> 32), (uint32_t)(when->tv_sec & 0xFFFFFFFF), (uint32_t)(when->tv_nsec), untilRefreshNs, (uint32_t)(seq >> 32),
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resource->sendPresented((uint32_t)tv_sec, (uint32_t)(when->tv_sec & 0xFFFFFFFF), (uint32_t)(when->tv_nsec), untilRefreshNs, (uint32_t)(seq >> 32),
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(uint32_t)(seq & 0xFFFFFFFF), (wpPresentationFeedbackKind)flags);
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else
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resource->sendDiscarded();
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