| 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2003-2006, Broadcom Corporation |
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| 3 | * All Rights Reserved |
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| 4 | * Confidential Property of Broadcom Corporation |
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| 5 | * |
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| 6 | * THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE |
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| 7 | * AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR |
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| 8 | * EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT. |
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| 9 | * |
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| 10 | * $brcm_Workfile: $ |
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| 11 | * $brcm_Revision: $ |
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| 12 | * $brcm_Date: $ |
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| 13 | * |
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| 14 | * Module Description: |
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| 15 | * |
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| 16 | * Revision History: |
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| 17 | * |
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| 18 | * $brcm_Log: $ |
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| 19 | * |
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| 20 | ***************************************************************************/ |
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| 21 | #define BDISPATCH_BYPASS |
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| 22 | #include "ministd.h" |
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| 23 | #undef BDISPATCH_BYPASS |
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| 24 | #include "zlib.h" |
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| 25 | |
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| 26 | /****************************************************************************** |
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| 27 | * INPUTS: in_buf - pointer to the input buffer |
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| 28 | * in_size - size of input buffer in bytes |
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| 29 | * out_buf - pointer to the output buffer |
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| 30 | * out_size - size of the output buffer |
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| 31 | * OUTPUTS: none. |
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| 32 | * RETURNS: number of bytes decompressed or < 0 on error. |
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| 33 | * FUNCTION: Uncompress the zlib intput buffer to the output buffer |
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| 34 | ******************************************************************************/ |
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| 35 | int m_uncompress(unsigned char *in_buf, unsigned int in_size, |
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| 36 | unsigned char * out_buf, unsigned int out_size) |
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| 37 | { |
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| 38 | z_stream strm; |
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| 39 | int ret; |
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| 40 | printf("%s-%d,0x%08x,%d,0x%08x,%d\n",__FUNCTION__,__LINE__,in_buf,in_size,out_buf,out_size); |
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| 41 | memset(&strm,0,sizeof(strm)); |
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| 42 | ret = inflateInit(&strm); |
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| 43 | if (ret == Z_OK) |
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| 44 | { |
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| 45 | strm.avail_in = in_size; |
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| 46 | strm.next_in = in_buf; |
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| 47 | strm.avail_out = out_size; |
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| 48 | strm.next_out = out_buf; |
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| 49 | ret = inflate(&strm, Z_NO_FLUSH); |
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| 50 | inflateEnd(&strm); |
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| 51 | if ((ret == Z_STREAM_END) || (ret == Z_OK)) |
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| 52 | { |
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| 53 | return strm.total_out; |
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| 54 | } |
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| 55 | else if (ret > 0) |
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| 56 | { |
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| 57 | return -ret; |
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| 58 | } |
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| 59 | } |
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| 60 | return ret; |
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| 61 | } |
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| 62 | |
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