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/*****************************************************************************\
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Utils.cpp : implementaiton of utility functions
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Copyright (c) 1996 - 2001, Hewlett-Packard Co.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of Hewlett-Packard nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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TO, PATENT INFRINGEMENT; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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\*****************************************************************************/
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#include "CommonDefinitions.h"
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void *LoadPlugin (const char *szPluginName)
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if ((fp = fopen ("/etc/hp/hplip.conf", "r")) == NULL)
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if (!fgets (szLine, 256, fp))
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if (!bFound && strncmp (szLine, "[dirs]", 6))
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if (!strncmp (szLine, "home", 4))
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while (i > 0 && szLine[i] < ' ')
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while (*p && *p != '/')
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sprintf (p+strlen (p), "/prnt/plugins/%s", szPluginName);
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ptemp = dlopen (p, RTLD_LAZY);
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int SendChunkHeader (BYTE *szStr, DWORD dwSize, DWORD dwChunkType, DWORD dwNumItems)
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for (int j = 3, i = 0; j >= 0; j--)
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szStr[i] = (BYTE) ((dwSize >> (8 * (j))) & 0xFF);
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szStr[4+i] = (BYTE) ((dwChunkType >> (8 * (j))) & 0xFF);
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szStr[8+i] = (BYTE) ((dwNumItems >> (8 * (j))) & 0xFF);
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szStr[12] = (BYTE) (((dwNumItems * 12) & 0xFF00) >> 8);
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szStr[13] = (BYTE) (((dwNumItems * 12) & 0x00FF));
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int SendItemExtra (BYTE *szStr, BYTE cType, WORD wItem, DWORD dwValue, DWORD dwExtra)
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for (j = 3, i = 0; j >= 0; j--)
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szStr[i++] = (BYTE) ((dwExtra >> (8 * (j))) & 0xFF);
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szStr[i++] = (BYTE) ((wItem & 0xFF00) >> 8);
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szStr[i++] = (BYTE) ((wItem & 0x00FF));
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szStr[i++] = (BYTE) cType;
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for (j = 3; j >= 0; j--)
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szStr[i++] = (BYTE) ((dwValue >> (8 * (j))) & 0xFF);
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int SendItem (BYTE *szStr, BYTE cType, WORD wItem, DWORD dwValue)
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return SendItemExtra (szStr, cType, wItem, dwValue, 0);
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int SendIntItem (BYTE *szStr, int iItem, int iItemType, int iItemValue)
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for (j = 3; j >= 0; j--)
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szStr[i++] = (BYTE) ((iItem >> (8 * (j))) & 0xFF);
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for (j = 3; j >= 0; j--)
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szStr[i++] = (BYTE) ((iItemType >> (8 * (j))) & 0xFF);
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for (j = 3; j >= 0; j--)
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szStr[i++] = (BYTE) ((iItemValue >> (8 * (j))) & 0xFF);