FreeCalypso > hg > fc-magnetite
annotate src/condat3/com/include/light.h @ 516:1ed9de6c90bd
src/g23m-gsm/sms/sms_for.c: bogus malloc removed
The new error handling code that was not present in TCS211 blob version
contains a malloc call that is bogus for 3 reasons:
1) The memory allocation in question is not needed in the first place;
2) libc malloc is used instead of one of the firmware's proper ways;
3) The memory allocation is made inside a function and then never freed,
i.e., a memory leak.
This bug was caught in gcc-built FreeCalypso fw projects (Citrine
and Selenite) because our gcc environment does not allow any use of
libc malloc (any reference to malloc produces a link failure),
but this code from TCS3.2 is wrong even for Magnetite: if this code
path is executed repeatedly over a long time, the many small allocations
made by this malloc call without a subsequent free will eventually
exhaust the malloc heap provided by the TMS470 environment, malloc will
start returning NULL, and the bogus code will treat it as an error.
Because the memory allocation in question is not needed at all,
the fix entails simply removing it.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 22 Jul 2018 06:04:49 +0000 |
parents | c8bd5a927942 |
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : GSM (6301) |
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4 | Modul : |
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5 +----------------------------------------------------------------------------- |
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6 | Copyright 2002 Texas Instruments Berlin, AG |
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7 | All rights reserved. |
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8 | |
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9 | This file is confidential and a trade secret of Texas |
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10 | Instruments Berlin, AG |
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11 | The receipt of or possession of this file does not convey |
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12 | any rights to reproduce or disclose its contents or to |
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13 | manufacture, use, or sell anything it may describe, in |
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14 | whole, or in part, without the specific written consent of |
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15 | Texas Instruments Berlin, AG. |
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16 +----------------------------------------------------------------------------- |
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17 | Purpose : Types definitions for the light emitting driver |
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18 | . |
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19 +----------------------------------------------------------------------------- |
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20 */ |
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21 |
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22 #ifndef LIGHT_H |
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23 #define LIGHT_H |
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24 |
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25 /* |
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26 * devices |
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27 */ |
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28 #define LIGHT_DEVICE_BACKLIGHT 0 |
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29 #define LIGHT_DEVICE_INSERVICELED 1 |
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30 |
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31 /* |
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32 * device status |
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33 */ |
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34 #define LIGHT_STATUS_OFF 0 |
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35 #define LIGHT_STATUS_ON 1 |
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36 #define LIGHT_STATUS_DIMMED 2 |
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37 #define LIGHT_STATUS_INTERMEDIATE 3 |
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38 #define LIGHT_STATUS_BRIGHT 4 |
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39 |
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40 #define LIGHT_STATUS_GREEN 5 |
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41 #define LIGHT_STATUS_ORANGE 6 |
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42 #define LIGHT_STATUS_RED 7 |
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43 |
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44 #if defined (NEW_FRAME) |
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45 /* |
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46 * to achieve backward compatibility with older definitions |
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47 */ |
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48 #define drv_SignalCB_Type T_DRV_CB_FUNC |
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49 #define drv_SignalID_Type T_DRV_SIGNAL |
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50 #define T_VSI_THANDLE USHORT |
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51 #endif |
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52 /* |
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53 * Prototypes |
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54 */ |
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55 EXTERN UBYTE light_Init (void); |
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56 EXTERN void light_Exit (void); |
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57 EXTERN UBYTE light_SetStatus (UBYTE in_DeviceID, UBYTE in_NewStatus); |
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58 EXTERN UBYTE light_GetStatus (UBYTE in_DeviceID, UBYTE * in_StatusPtr); |
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59 |
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60 void light_setBacklightOn( void ); |
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61 void light_setBacklightIdle( void ); |
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62 void light_setBacklightOff( void ); |
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63 |
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64 #endif |