Fix warning about possible string truncation in the TempDataLogger project.

[pub/USBasp.git] / Projects / TempDataLogger / TempDataLogger.c

diff --git a/Projects/TempDataLogger/TempDataLogger.c b/Projects/TempDataLogger/TempDataLogger.c
index eb1a2fc..816c326 100644 (file)
--- a/Projects/TempDataLogger/TempDataLogger.c
+++ b/Projects/TempDataLogger/TempDataLogger.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2015.
+     Copyright (C) Dean Camera, 2018.
 
   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
@@ -125,7 +125,7 @@ ISR(TIMER1_COMPA_vect, ISR_BLOCK)
                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());
@@ -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)
 {
-       char LogFileName[12];
+       char LogFileName[16];
 
        /* 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);