Fix warning about possible string truncation in the TempDataLogger project.
[pub/USBasp.git] / Projects / TempDataLogger / TempDataLogger.c
index eb1a2fc..816c326 100644 (file)
@@ -1,13 +1,13 @@
 /*
              LUFA Library
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2015.
+     Copyright (C) Dean Camera, 2018.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2015  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2018  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -125,7 +125,7 @@ ISR(TIMER1_COMPA_vect, ISR_BLOCK)
                char     LineBuffer[100];
                uint16_t BytesWritten;
 
                char     LineBuffer[100];
                uint16_t BytesWritten;
 
-               BytesWritten = sprintf(LineBuffer, "%02d/%02d/20%02d, %02d:%02d:%02d, %d Degrees\r\n",
+               BytesWritten = snprintf(LineBuffer, sizeof(LineBuffer), "%02d/%02d/20%02d, %02d:%02d:%02d, %d Degrees\r\n",
                                       CurrentTimeDate.Day, CurrentTimeDate.Month, CurrentTimeDate.Year,
                                       CurrentTimeDate.Hour, CurrentTimeDate.Minute, CurrentTimeDate.Second,
                                       Temperature_GetTemperature());
                                       CurrentTimeDate.Day, CurrentTimeDate.Month, CurrentTimeDate.Year,
                                       CurrentTimeDate.Hour, CurrentTimeDate.Minute, CurrentTimeDate.Second,
                                       Temperature_GetTemperature());
@@ -168,12 +168,12 @@ int main(void)
 /** Opens the log file on the Dataflash's FAT formatted partition according to the current date */
 void OpenLogFile(void)
 {
 /** Opens the log file on the Dataflash's FAT formatted partition according to the current date */
 void OpenLogFile(void)
 {
-       char LogFileName[12];
+       char LogFileName[16];
 
        /* Get the current date for the filename as "DDMMYY.csv" */
        TimeDate_t CurrentTimeDate;
        RTC_GetTimeDate(&CurrentTimeDate);
 
        /* Get the current date for the filename as "DDMMYY.csv" */
        TimeDate_t CurrentTimeDate;
        RTC_GetTimeDate(&CurrentTimeDate);
-       sprintf(LogFileName, "%02d%02d%02d.csv", CurrentTimeDate.Day, CurrentTimeDate.Month, CurrentTimeDate.Year);
+       snprintf(LogFileName, sizeof(LogFileName), "%02d%02d%02d.csv", CurrentTimeDate.Day, CurrentTimeDate.Month, CurrentTimeDate.Year);
 
        /* Mount the storage device, open the file */
        f_mount(0, &DiskFATState);
 
        /* Mount the storage device, open the file */
        f_mount(0, &DiskFATState);