464 lines
9.5 KiB
C
464 lines
9.5 KiB
C
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/*
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* inifile.c - Initialization file processing module.
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*/
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/* Headers
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**********/
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#include "project.h"
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#pragma hdrstop
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#ifdef DEBUG
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/* Constants
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************/
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/* maximum length of .ini switch RHS */
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#define MAX_INI_SWITCH_RHS_LEN MAX_PATH_LEN
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/* Module Variables
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*******************/
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#pragma data_seg(DATA_SEG_READ_ONLY)
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/* Boolean TRUE strings used by IsIniYes() (comparison is case-insensitive) */
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PRIVATE_DATA const PCSTR s_rgcszTrue[] =
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{
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"1",
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"On",
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"True",
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"Y",
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"Yes"
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};
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/* Boolean FALSE strings used by IsIniYes() (comparison is case-insensitive) */
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PRIVATE_DATA const PCSTR s_rgcszFalse[] =
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{
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"0",
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"Off",
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"False",
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"N",
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"No"
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};
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#pragma data_seg()
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#endif
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/***************************** Private Functions *****************************/
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/* Module Prototypes
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********************/
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#ifdef DEBUG
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PRIVATE_CODE BOOL SetBOOLIniSwitch(PCBOOLINISWITCH);
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PRIVATE_CODE BOOL SetDecimalIntIniSwitch(PCDECINTINISWITCH);
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PRIVATE_CODE BOOL SetIniSwitch(PCVOID);
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PRIVATE_CODE BOOL IsYesString(PCSTR);
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PRIVATE_CODE BOOL IsNoString(PCSTR);
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PRIVATE_CODE BOOL IsStringInList(PCSTR, const PCSTR *, UINT);
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PRIVATE_CODE BOOL IsValidPCBOOLINISWITCH(PCBOOLINISWITCH);
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PRIVATE_CODE BOOL IsValidPCDECINTINISWITCH(PCDECINTINISWITCH);
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PRIVATE_CODE BOOL IsValidPCUNSDECINTINISWITCH(PCUNSDECINTINISWITCH);
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#endif
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#ifdef DEBUG
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/*
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** SetBOOLIniSwitch()
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**
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**
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**
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** Arguments:
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**
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** Returns:
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**
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** Side Effects: none
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*/
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PRIVATE_CODE BOOL SetBOOLIniSwitch(PCBOOLINISWITCH pcbis)
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{
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DWORD dwcbKeyLen;
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char rgchRHS[MAX_INI_SWITCH_RHS_LEN];
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ASSERT(IS_VALID_STRUCT_PTR(pcbis, CBOOLINISWITCH));
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/* Set boolean .ini switch. */
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dwcbKeyLen = GetPrivateProfileString(g_pcszIniSection, pcbis->pcszKeyName,
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"", rgchRHS, sizeof(rgchRHS),
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g_pcszIniFile);
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/* Is the .ini switch set? */
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if (rgchRHS[0])
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{
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/* Yes. Set or clear flag? */
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if (IsYesString(rgchRHS))
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{
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/* Set flag. */
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if (IS_FLAG_CLEAR(*(pcbis->pdwParentFlags), pcbis->dwFlag))
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{
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SET_FLAG(*(pcbis->pdwParentFlags), pcbis->dwFlag);
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WARNING_OUT(("SetBOOLIniSwitch(): %s set in %s![%s].",
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pcbis->pcszKeyName,
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g_pcszIniFile,
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g_pcszIniSection));
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}
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}
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else if (IsNoString(rgchRHS))
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{
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/* Clear flag. */
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if (IS_FLAG_SET(*(pcbis->pdwParentFlags), pcbis->dwFlag))
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{
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CLEAR_FLAG(*(pcbis->pdwParentFlags), pcbis->dwFlag);
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WARNING_OUT(("SetBOOLIniSwitch(): %s cleared in %s![%s].",
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pcbis->pcszKeyName,
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g_pcszIniFile,
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g_pcszIniSection));
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}
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}
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else
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/* Unknown flag. */
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WARNING_OUT(("SetBOOLIniSwitch(): Found unknown Boolean RHS %s for %s in %s![%s].",
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rgchRHS,
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pcbis->pcszKeyName,
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g_pcszIniFile,
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g_pcszIniSection));
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}
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return(TRUE);
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}
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/*
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** SetDecimalIntIniSwitch()
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**
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**
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**
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** Arguments:
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**
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** Returns:
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**
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** Side Effects: none
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*/
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PRIVATE_CODE BOOL SetDecimalIntIniSwitch(PCDECINTINISWITCH pcdiis)
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{
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INT nNewValue;
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ASSERT(IS_VALID_STRUCT_PTR(pcdiis, CDECINTINISWITCH));
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/* Get decimal integer .ini switch. */
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nNewValue = GetPrivateProfileInt(g_pcszIniSection, pcdiis->pcszKeyName,
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*(pcdiis->pnValue), g_pcszIniFile);
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/* New value? */
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if (nNewValue != *(pcdiis->pnValue))
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{
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/* Yes. */
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*(pcdiis->pnValue) = nNewValue;
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WARNING_OUT(("SetDecimalIntIniSwitch(): %s set to %d in %s![%s].",
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pcdiis->pcszKeyName,
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*(pcdiis->pnValue),
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g_pcszIniFile,
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g_pcszIniSection));
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}
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return(TRUE);
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}
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/*
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** SetUnsignedDecimalIntIniSwitch()
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**
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**
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**
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** Arguments:
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**
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** Returns:
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**
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** Side Effects: none
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*/
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PRIVATE_CODE BOOL SetUnsignedDecimalIntIniSwitch(PCUNSDECINTINISWITCH pcudiis)
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{
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INT nNewValue;
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ASSERT(IS_VALID_STRUCT_PTR(pcudiis, CUNSDECINTINISWITCH));
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/* Get unsigned decimal integer .ini switch as signed decimal integer. */
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ASSERT(*(pcudiis->puValue) <= INT_MAX);
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nNewValue = GetPrivateProfileInt(g_pcszIniSection, pcudiis->pcszKeyName,
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*(pcudiis->puValue), g_pcszIniFile);
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if (nNewValue >= 0)
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{
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if ((UINT)nNewValue != *(pcudiis->puValue))
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{
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/* New non-negative value. */
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*(pcudiis->puValue) = nNewValue;
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WARNING_OUT(("SetUnsignedDecimalIntIniSwitch(): %s set to %u in %s![%s].",
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pcudiis->pcszKeyName,
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*(pcudiis->puValue),
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g_pcszIniFile,
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g_pcszIniSection));
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}
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}
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else
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/* Negative value. */
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WARNING_OUT(("SetUnsignedDecimalIntIniSwitch(): Unsigned value %s set to %d in %s![%s]. Ignored.",
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pcudiis->pcszKeyName,
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nNewValue,
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g_pcszIniFile,
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g_pcszIniSection));
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return(TRUE);
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}
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/*
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** SetIniSwitch()
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**
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**
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**
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** Arguments:
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**
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** Returns:
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**
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** Side Effects: none
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*/
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PRIVATE_CODE BOOL SetIniSwitch(PCVOID pcvIniSwitch)
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{
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BOOL bResult;
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ASSERT(IS_VALID_READ_PTR((PCINISWITCHTYPE)pcvIniSwitch, CINISWITCHTYPE));
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/* Set .ini switch based upon type. */
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switch (*(PCINISWITCHTYPE)pcvIniSwitch)
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{
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case IST_BOOL:
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bResult = SetBOOLIniSwitch(pcvIniSwitch);
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break;
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case IST_DEC_INT:
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bResult = SetDecimalIntIniSwitch(pcvIniSwitch);
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break;
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case IST_UNS_DEC_INT:
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bResult = SetUnsignedDecimalIntIniSwitch(pcvIniSwitch);
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break;
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default:
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ERROR_OUT(("SetIniSwitch(): Unrecognized .ini switch type %d.",
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*(PCINISWITCHTYPE)pcvIniSwitch));
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bResult = FALSE;
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break;
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}
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return(bResult);
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}
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/*
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** IsYesString()
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**
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**
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**
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** Arguments:
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**
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** Returns:
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**
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** Side Effects: none
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*/
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PRIVATE_CODE BOOL IsYesString(PCSTR pcsz)
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{
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ASSERT(IS_VALID_STRING_PTR(pcsz, CSTR));
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return(IsStringInList(pcsz, s_rgcszTrue, ARRAY_ELEMENTS(s_rgcszTrue)));
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}
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/*
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** IsNoString()
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**
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**
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**
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** Arguments:
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**
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** Returns:
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**
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** Side Effects: none
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*/
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PRIVATE_CODE BOOL IsNoString(PCSTR pcsz)
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{
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ASSERT(IS_VALID_STRING_PTR(pcsz, CSTR));
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return(IsStringInList(pcsz, s_rgcszFalse, ARRAY_ELEMENTS(s_rgcszFalse)));
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}
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/*
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** IsStringInList()
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**
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** Determines whether or not a given string matches a string in a list of
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** strings.
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**
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** Arguments: pcsz - pointer to string to be checked
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**
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** Returns:
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**
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** Side Effects: none
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**
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** N.b., string comparison is case-insensitive.
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*/
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PRIVATE_CODE BOOL IsStringInList(PCSTR pcsz, const PCSTR *pcpcszList,
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UINT ucbStrings)
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{
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UINT u;
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BOOL bFound = FALSE;
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ASSERT(IS_VALID_STRING_PTR(pcsz, CSTR));
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ASSERT(IS_VALID_READ_BUFFER_PTR(pcpcszList, PCSTR, ucbStrings * sizeof(*pcpcszList)));
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/* Search the list for the given string. */
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for (u = 0; u < ucbStrings; u++)
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{
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ASSERT(IS_VALID_STRING_PTR(pcpcszList[u], CSTR));
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if (! lstrcmpi(pcsz, pcpcszList[u]))
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{
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bFound = TRUE;
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break;
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}
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}
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return(bFound);
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}
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/*
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** IsValidPCBOOLINIKEY()
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**
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**
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**
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** Arguments:
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**
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** Returns:
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**
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** Side Effects: none
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*/
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PRIVATE_CODE BOOL IsValidPCBOOLINISWITCH(PCBOOLINISWITCH pcbis)
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{
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return(IS_VALID_READ_PTR(pcbis, CBOOLINISWITCH) &&
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EVAL(pcbis->istype == IST_BOOL) &&
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IS_VALID_STRING_PTR(pcbis->pcszKeyName, CSTR) &&
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IS_VALID_WRITE_PTR(pcbis->pdwParentFlags, DWORD) &&
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EVAL(pcbis->dwFlag));
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}
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/*
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** IsValidPCDECINTINISWITCH()
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**
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**
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**
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** Arguments:
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**
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** Returns:
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**
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** Side Effects: none
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*/
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PRIVATE_CODE BOOL IsValidPCDECINTINISWITCH(PCDECINTINISWITCH pcdiis)
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{
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return(IS_VALID_READ_PTR(pcdiis, CDECINTINISWITCH) &&
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EVAL(pcdiis->istype == IST_DEC_INT) &&
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IS_VALID_STRING_PTR(pcdiis->pcszKeyName, CSTR) &&
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IS_VALID_WRITE_PTR(pcdiis->pnValue, INT));
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}
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/*
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** IsValidPCUNSDECINTINISWITCH()
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**
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**
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**
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** Arguments:
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**
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** Returns:
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**
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** Side Effects: none
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*/
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PRIVATE_CODE BOOL IsValidPCUNSDECINTINISWITCH(PCUNSDECINTINISWITCH pcudiis)
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{
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return(IS_VALID_READ_PTR(pcudiis, CUNSDECINTINISWITCH) &&
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EVAL(pcudiis->istype == IST_UNS_DEC_INT) &&
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IS_VALID_STRING_PTR(pcudiis->pcszKeyName, CSTR) &&
|
||
|
|
IS_VALID_WRITE_PTR(pcudiis->puValue, UINT));
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/****************************** Public Functions *****************************/
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef DEBUG
|
||
|
|
|
||
|
|
/*
|
||
|
|
** SetIniSwitches()
|
||
|
|
**
|
||
|
|
** Set flags from initialization file.
|
||
|
|
**
|
||
|
|
** Arguments: ppcvIniSwitches - pointer to array of pointers to .ini switch
|
||
|
|
** structures describing .ini switches to set
|
||
|
|
** ucSwitches - number of .ini switch pointers in
|
||
|
|
** ppcvIniSwitches array
|
||
|
|
**
|
||
|
|
** Returns: TRUE if .ini switch processing is successful. FALSE if not.
|
||
|
|
**
|
||
|
|
** Side Effects: none
|
||
|
|
**
|
||
|
|
** N.b, the global variables g_pcszIniFile and g_pcszIniSection must be filled in
|
||
|
|
** before calling SetIniSwitches().
|
||
|
|
*/
|
||
|
|
PUBLIC_CODE BOOL SetIniSwitches(const PCVOID *pcpcvIniSwitches, UINT ucSwitches)
|
||
|
|
{
|
||
|
|
BOOL bResult = TRUE;
|
||
|
|
UINT u;
|
||
|
|
|
||
|
|
ASSERT(IS_VALID_READ_BUFFER_PTR(pcpcvIniSwitches, const PCVOID, ucSwitches * sizeof(*pcpcvIniSwitches)));
|
||
|
|
|
||
|
|
/* Process .ini switches. */
|
||
|
|
|
||
|
|
for (u = 0; u < ucSwitches; u++)
|
||
|
|
bResult = SetIniSwitch(pcpcvIniSwitches[u]) && bResult;
|
||
|
|
|
||
|
|
return(bResult);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|