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u/logging: Use truncating snprintf utility for JSON log

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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>
This commit is contained in:
Jan Schmidt 2024-12-12 16:06:04 +11:00
parent efa6c5d149
commit e076de071a
1 changed files with 1 additions and 1 deletions
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src/xrt/auxiliary/util/u_logging.c
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@ -339,7 +339,7 @@ log_as_json(const char *file, const char *func, enum u_logging_level level, cons
// Add message. // Add message.
char msg_buf[LOG_BUFFER_SIZE]; char msg_buf[LOG_BUFFER_SIZE];
vsprintf(msg_buf, format, args); u_truncate_vsnprintf(msg_buf, LOG_BUFFER_SIZE, format, args);
cJSON_AddItemToObject(root, "message", cJSON_CreateString(msg_buf)); cJSON_AddItemToObject(root, "message", cJSON_CreateString(msg_buf));
// Get string and print to stderr. // Get string and print to stderr.