The open source OpenXR runtime
u/logging: Use truncating snprintf utility for JSON log
When using the JSON logging mode, truncate log strings to
ensure they fit in the allocated message buffer
Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2373>
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src/xrt/auxiliary/util/u_logging.c
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src/xrt/auxiliary/util/u_logging.c
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// Add message.
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char msg_buf[LOG_BUFFER_SIZE];
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vsprintf(msg_buf, format, args);
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u_truncate_vsnprintf(msg_buf, LOG_BUFFER_SIZE, format, args);
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cJSON_AddItemToObject(root, "message", cJSON_CreateString(msg_buf));
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// Get string and print to stderr.