FreeCalypso > hg > fc-magnetite
annotate src/aci2/mfw/mfw_utils.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 | 93999a60b835 |
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rev | line source |
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1 /* |
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2 +--------------------------------------------------------------------+ |
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3 | PROJECT: MMI-Framework (8417) $Workfile:: mfw_utils.h $| |
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4 | $Author:: NDH $Revision:: 1 $| |
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5 | CREATED: 6.1.2003 $Modtime:: 10.04.00 14:58 $| |
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6 | STATE : code $| |
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7 +--------------------------------------------------------------------+ |
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8 |
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9 MODULE : MFW_UTILS |
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10 |
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11 PURPOSE : This modul contains General Functional Utilities. |
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12 |
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13 HISTORY: |
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14 Jun 05, 2004 REF: CRR 18262 NISHIKANT KULKARNI |
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15 Description: The sample sends a STOP DTMF message without release of the key by the user |
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16 Solution: Instead of sending DTMF commands in "VTS_MOD_Auto" mode, on key press DTMF tone is started |
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17 using VTS_MOD_ManStart and on key release DTMF tone is stopped using VTS_MOD_ManStop mode. |
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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 ** Limiting Macros |
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23 */ |
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24 #define MAX_CBUF_QUEUES 3 |
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25 |
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26 /* |
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27 ** Return Value Macros |
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28 */ |
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29 #define MFW_CBUF_OK 1 |
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30 #define MFW_CBUF_OK_DATA_LOSS 2 |
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31 |
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32 #define MFW_CBUF_INVALID_BUF_ID (-1) |
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33 #define MFW_CBUF_NO_BUFS_AVAILABLE (-2) |
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34 #define MFW_CBUF_MEM_ALLOC_FAILURE (-3) |
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35 #define MFW_CBUF_INVALID_ITEM_SIZE (-4) |
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36 #define MFW_CBUF_INVALID_MAX_ITEMS (-5) |
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37 #define MFW_CBUF_INVALID_BUF_PTR (-6) |
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38 #define MFW_CBUF_INVALID_STATIC_BUF (-7) |
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39 #define MFW_CBUF_PUT_FAILED_Q_FULL (-8) |
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40 #define MFW_CBUF_BUFFER_EMPTY (-9) |
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41 |
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42 /* |
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43 ** Function Prototypes |
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44 xnkulkar SPR-18262: Added the prototypes for mfw_cbuf_put_mode() and mfw_cbuf_get_mode() |
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45 */ |
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46 SHORT mfw_cbuf_create (USHORT max_num_items, USHORT item_size, |
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47 UBYTE overwrite, UBYTE null_char, |
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48 UBYTE static_buf, void *buffer_ptr); |
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49 SHORT mfw_cbuf_delete (SHORT bufId); |
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50 SHORT mfw_cbuf_reset (SHORT bufId); |
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51 SHORT mfw_cbuf_put (SHORT bufId, void *data_ptr); |
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52 SHORT mfw_cbuf_get (SHORT bufId, void *data_ptr); |
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53 SHORT mfw_cbuf_put_mode (SHORT bufId,UBYTE vts_mode); //xnkulkar SPR-18262 |
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54 SHORT mfw_cbuf_get_mode (SHORT bufId); //xnkulkar SPR-18262 |
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55 USHORT mfw_cbuf_num_elements (SHORT bufId); |
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56 |