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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2022-08-05 19:02:55 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2022-08-09 22:22:17 +0300
commit1a6c7477fda7c6cfbf3483c529aebf64d7ed6a8e (patch)
tree7bbeb5a67cb7ef2b3de97673280e12f645e948d1 /src/qcam/main_window.cpp
parent1590e9b2b8c1b8b120a9b0dd6a53f4ef1298b2a0 (diff)
libcamera: yaml_parser: Return nullopt on error from YamlObject::get()
The YamlParser::get<>() function returns an std::optional<> to indicate when YAML parsing failed. The current implementation returns a default constructed std::optional in case of errors with return {}; This has been reported as generating compiler warnings with a gcc 9.3.0 arm64 cross-compiler: ../src/libcamera/yaml_parser.cpp:184:11: error: ‘<anonymous>’ may be used uninitialized in this function [-Werror=maybe-uninitialized] 184 | return {}; | ^ Replace this with an explicit return std::nullopt; which fixes the warnings and conveys the purpose more explicitly. Reported-by: Christian Rauch <Rauch.Christian@gmx.de> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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