Main Page | Class Hierarchy | Class List | File List | Class Members | File Members

hsz.c File Reference

#include "precomp.h"

Go to the source code of this file.

Functions

HSZ DdeCreateStringHandleA (DWORD idInst, LPCSTR psz, int iCodePage)
HSZ DdeCreateStringHandleW (DWORD idInst, LPCWSTR psz, int iCodePage)
HSZ InternalDdeCreateStringHandle (DWORD idInst, PVOID psz, int iCodePage)
DWORD DdeQueryStringA (DWORD idInst, HSZ hsz, LPSTR psz, DWORD cchMax, INT iCodePage)
DWORD DdeQueryStringW (DWORD idInst, HSZ hsz, LPWSTR psz, DWORD cchMax, INT iCodePage)
DWORD InternalDdeQueryString (DWORD idInst, HSZ hsz, PVOID psz, DWORD cbMax, INT iCodePage)
BOOL DdeFreeStringHandle (DWORD idInst, HSZ hsz)
BOOL DdeKeepStringHandle (DWORD idInst, HSZ hsz)
int DdeCmpStringHandles (HSZ hsz1, HSZ hsz2)
DWORD ValidateHSZ (HSZ hsz)
LATOM MakeInstSpecificAtom (LATOM la, HWND hwnd)
HWND ParseInstSpecificAtom (LATOM la, LATOM *plaNormal)
GATOM LocalToGlobalAtom (LATOM la)
LATOM GlobalToLocalAtom (GATOM ga)
GATOM IncGlobalAtomCount (GATOM ga)
LATOM IncLocalAtomCount (LATOM la)

Function Documentation

int DdeCmpStringHandles (  HSZ  hsz1,
HSZ  hsz2
) 
 

Definition at line 317 of file hsz.c. 

00320 {
00321     if (hsz2 > hsz1) {
00322         return (-1);
00323     } else if (hsz2 < hsz1) {
00324         return (1);
00325     } else {
00326         return (0);
00327     }
00328 }

HSZ DdeCreateStringHandleA (  DWORD  idInst,
LPCSTR  psz,
int  iCodePage
) 
 

Definition at line 24 of file hsz.c.

References InternalDdeCreateStringHandle(). 

00028 {
00029     if (iCodePage == 0) {
00030         iCodePage = CP_WINANSI;
00031     }
00032     return (InternalDdeCreateStringHandle(idInst, (PVOID)psz, iCodePage));
00033 }

HSZ DdeCreateStringHandleW (  DWORD  idInst,
LPCWSTR  psz,
int  iCodePage
) 
 

Definition at line 36 of file hsz.c.

References InternalDdeCreateStringHandle(). 

00040 {
00041     if (iCodePage == 0) {
00042         iCodePage = CP_WINUNICODE;
00043     }
00044     return (InternalDdeCreateStringHandle(idInst, (PVOID)psz, iCodePage));
00045 }

BOOL DdeFreeStringHandle (  DWORD  idInst,
HSZ  hsz
) 
 

Definition at line 227 of file hsz.c.

References BestSetLastDDEMLError(), BOOL, EnterDDECrit, FALSE, HSZT_INVALID, LATOM_FROM_HSZ, LeaveDDECrit, MONHSZ, NULL, SetLastDDEMLError(), TRUE, ValidateHSZ(), and ValidateInstance(). 

00230 {
00231     PCL_INSTANCE_INFO pcii;
00232     BOOL fRet = FALSE;
00233 
00234     EnterDDECrit;
00235 
00236     pcii = ValidateInstance((HANDLE)LongToHandle( idInst ));
00237     if (pcii == NULL) {
00238         BestSetLastDDEMLError(DMLERR_INVALIDPARAMETER);
00239         goto Exit;
00240     }
00241 
00242     if (ValidateHSZ(hsz) == HSZT_INVALID) {
00243         SetLastDDEMLError(pcii, DMLERR_INVALIDPARAMETER);
00244         goto Exit;
00245     }
00246 
00247     MONHSZ(pcii, hsz, MH_DELETE);
00248     fRet = TRUE;
00249     if (LATOM_FROM_HSZ(hsz) != 0) {
00250         if (DeleteAtom(LATOM_FROM_HSZ(hsz))) {
00251             SetLastDDEMLError(pcii, DMLERR_INVALIDPARAMETER);
00252             fRet = FALSE;
00253         }
00254     }
00255 
00256 Exit:
00257     LeaveDDECrit;
00258     return (fRet);
00259 }

BOOL DdeKeepStringHandle (  DWORD  idInst,
HSZ  hsz
) 
 

Definition at line 272 of file hsz.c.

References BestSetLastDDEMLError(), BOOL, EnterDDECrit, FALSE, HSZT_INVALID, IncLocalAtomCount(), LATOM_FROM_HSZ, LeaveDDECrit, MONHSZ, NULL, SetLastDDEMLError(), TRUE, ValidateHSZ(), and ValidateInstance(). 

00275 {
00276     PCL_INSTANCE_INFO pcii;
00277     BOOL fRet = FALSE;
00278 
00279     EnterDDECrit;
00280 
00281     pcii = ValidateInstance((HANDLE)LongToHandle( idInst ));
00282     if (pcii == NULL) {
00283         BestSetLastDDEMLError(DMLERR_INVALIDPARAMETER);
00284         goto Exit;
00285     }
00286 
00287     if (ValidateHSZ(hsz) == HSZT_INVALID) {
00288         SetLastDDEMLError(pcii, DMLERR_INVALIDPARAMETER);
00289         goto Exit;
00290     }
00291 
00292     if (LATOM_FROM_HSZ(hsz) == 0) {
00293         fRet = TRUE;
00294         goto Exit;
00295     }
00296     MONHSZ(pcii, hsz, MH_KEEP);
00297     fRet = IncLocalAtomCount(LATOM_FROM_HSZ(hsz)) ? TRUE : FALSE;
00298 
00299 Exit:
00300     LeaveDDECrit;
00301     return (fRet);
00302 }

DWORD DdeQueryStringA (  DWORD  idInst,
HSZ  hsz,
LPSTR  psz,
DWORD  cchMax,
INT  iCodePage
) 
 

Definition at line 113 of file hsz.c.

References DWORD, and InternalDdeQueryString(). 

00119 {
00120     if (iCodePage == 0) {
00121         iCodePage = CP_WINANSI;
00122     }
00123     return (InternalDdeQueryString(idInst, hsz, psz, cchMax, iCodePage));
00124 }

DWORD DdeQueryStringW (  DWORD  idInst,
HSZ  hsz,
LPWSTR  psz,
DWORD  cchMax,
INT  iCodePage
) 
 

Definition at line 127 of file hsz.c.

References DWORD, and InternalDdeQueryString(). 

00133 {
00134     if (iCodePage == 0) {
00135         iCodePage = CP_WINUNICODE;
00136     }
00137     return (InternalDdeQueryString(idInst, hsz, psz, cchMax * sizeof(WCHAR), iCodePage));
00138 }

LATOM GlobalToLocalAtom (  GATOM  ga  ) 
 

Definition at line 464 of file hsz.c.

References LATOM.

Referenced by _ClientEventCallback(), AddLink(), ClRespUnadviseAck(), ClSpontAdviseData(), DDEMLClientWndProc(), DdeQueryConvInfo(), ProcessDDEMLInitiate(), ProcessRegistrationMessage(), SvRespAdviseDataAck(), SvSpontAdvise(), SvSpontPoke(), SvSpontRequest(), SvSpontUnadvise(), SvStartAdviseUpdate(), and TransactionComplete(). 

00466 {
00467     WCHAR sz[256];
00468 
00469     if (ga == 0) {
00470         return (0);
00471     }
00472     if (GlobalGetAtomName((ATOM)ga, sz, 256) == 0) {
00473         RIPMSG0(RIP_WARNING, "GlobalToLocalAtom out of memory");
00474         return (0);
00475     }
00476     return ((LATOM)AddAtom(sz));
00477 }

GATOM IncGlobalAtomCount (  GATOM  ga  ) 
 

Definition at line 490 of file hsz.c.

References GATOM.

Referenced by AddLink(), ClStartAdvise(), ClStartPoke(), ClStartRequest(), ClStartUnadvise(), MonitorLink(), SendRegisterMessageToClass(), and SvStartAdviseUpdate(). 

00492 {
00493     WCHAR sz[256];
00494 
00495     if (ga == 0) {
00496         return (0);
00497     }
00498     if (GlobalGetAtomName(ga, sz, 256) == 0) {
00499         RIPMSG0(RIP_WARNING, "IncGlobalAtomCount out of memory");
00500         return (0);
00501     }
00502     return ((GATOM)GlobalAddAtom(sz));
00503 }

LATOM IncLocalAtomCount (  LATOM  la  ) 
 

Definition at line 516 of file hsz.c.

References LATOM.

Referenced by AddLink(), ConnectConv(), DdeKeepStringHandle(), DdeNameService(), InitiateEnumerationProc(), and ProcessDDEMLInitiate(). 

00518 {
00519     WCHAR sz[256];
00520 
00521     if (la == 0) {
00522         return (0);
00523     }
00524     if (GetAtomName(la, sz, 256) == 0) {
00525         RIPMSG0(RIP_WARNING, "IncLocalAtomCount out of memory");
00526         return (0);
00527     }
00528     return ((LATOM)AddAtom(sz));
00529 }

HSZ InternalDdeCreateStringHandle (  DWORD  idInst,
PVOID  psz,
int  iCodePage
) 
 

Definition at line 49 of file hsz.c.

References BestSetLastDDEMLError(), EnterDDECrit, L, LeaveDDECrit, MONHSZ, NORMAL_HSZ_FROM_LATOM, NULL, UINT, and ValidateInstance().

Referenced by DdeCreateStringHandleA(), and DdeCreateStringHandleW(). 

00053 {
00054     PCL_INSTANCE_INFO pcii;
00055     HSZ hszRet = 0;
00056     int cb;
00057     WCHAR szw[256];
00058 
00059     EnterDDECrit;
00060 
00061     pcii = ValidateInstance((HANDLE)LongToHandle( idInst ));
00062     if (pcii == NULL) {
00063         BestSetLastDDEMLError(DMLERR_INVALIDPARAMETER);
00064         goto Exit;
00065     }
00066 
00067     switch (iCodePage) {
00068     case CP_WINANSI:
00069         if (*(LPSTR)psz == '\0') {
00070             goto Exit;
00071         }
00072         hszRet = NORMAL_HSZ_FROM_LATOM(AddAtomA((LPSTR)psz));
00073         break;
00074 
00075     default:
00076 
00077         /*
00078          * Convert psz to unicode and fall through.
00079          */
00080         cb = sizeof(szw) /  sizeof(WCHAR);
00081 #ifdef LATER
00082         MultiByteToWideChar((UINT)iCodePage, MB_PRECOMPOSED,
00083                             (LPSTR)psz, -1, szw, cb);
00084 #endif
00085         psz = &szw[0];
00086 
00087 
00088     case CP_WINUNICODE:
00089         if (*(LPWSTR)psz == L'\0') {
00090             goto Exit;
00091         }
00092         hszRet = NORMAL_HSZ_FROM_LATOM(AddAtomW((LPWSTR)psz));
00093         break;
00094     }
00095     MONHSZ(pcii, hszRet, MH_CREATE);
00096 
00097 Exit:
00098     LeaveDDECrit;
00099     return (hszRet);
00100 }

DWORD InternalDdeQueryString (  DWORD  idInst,
HSZ  hsz,
PVOID  psz,
DWORD  cbMax,
INT  iCodePage
) 
 

Definition at line 141 of file hsz.c.

References BestSetLastDDEMLError(), CHAR, DWORD, EnterDDECrit, HSZT_INVALID, L, LATOM_FROM_HSZ, LeaveDDECrit, NULL, SetLastDDEMLError(), UINT, ValidateHSZ(), and ValidateInstance().

Referenced by DdeQueryStringA(), and DdeQueryStringW(). 

00147 {
00148     PCL_INSTANCE_INFO pcii;
00149     DWORD dwRet = 0;
00150     WCHAR szw[256];
00151 // BOOL fDefUsed; // LATER
00152 
00153     EnterDDECrit;
00154 
00155     pcii = ValidateInstance((HANDLE)LongToHandle( idInst ));
00156     if (pcii == NULL) {
00157         BestSetLastDDEMLError(DMLERR_INVALIDPARAMETER);
00158         goto Exit;
00159     }
00160 
00161     if (ValidateHSZ(hsz) == HSZT_INVALID) {
00162         SetLastDDEMLError(pcii, DMLERR_INVALIDPARAMETER);
00163         goto Exit;
00164     }
00165 
00166     if (LATOM_FROM_HSZ(hsz) == 0) {
00167         if (iCodePage == CP_WINUNICODE) {
00168             if (psz != NULL) {
00169                 *(LPWSTR)psz = L'\0';
00170             }
00171             dwRet = sizeof(WCHAR);
00172             goto Exit;
00173         } else {
00174             if (psz != NULL) {
00175                 *(LPSTR)psz = '\0';
00176             }
00177             dwRet = sizeof(CHAR);
00178             goto Exit;
00179         }
00180     }
00181 
00182     if (psz == NULL) {
00183         cbMax = sizeof(szw);
00184         psz = (PVOID)szw;
00185     }
00186 
00187     switch (iCodePage) {
00188     case CP_WINANSI:
00189         dwRet = GetAtomNameA(LATOM_FROM_HSZ(hsz), psz, cbMax);
00190         break;
00191 
00192     default:
00193         dwRet = GetAtomNameW(LATOM_FROM_HSZ(hsz), (LPWSTR)psz, cbMax / sizeof(WCHAR));
00194         if (iCodePage != CP_WINUNICODE) {
00195 
00196             /*
00197              * convert psz to the appropriate codepage and count the
00198              * characters(ie BYTES for DBCS!) to alter dwRet.
00199              */
00200 #ifdef LATER
00201             // Does this routine work in place? (i.e. input and output buffer the same).
00202             WideCharToMultiByte((UINT)iCodePage, 0, szw,
00203                     sizeof(szw) /  sizeof(WCHAR),
00204                     (LPSTR)psz, cbMax, NULL, &fDefUsed);
00205 #endif
00206             dwRet = cbMax + 1;
00207         }
00208         break;
00209     }
00210 
00211 Exit:
00212     LeaveDDECrit;
00213     return (dwRet);
00214 }

GATOM LocalToGlobalAtom (  LATOM  la  ) 
 

Definition at line 438 of file hsz.c.

References GATOM.

Referenced by ConnectConv(), DdeClientTransaction(), DdeNameService(), DdeReconnect(), DoCallback(), FreeConversationResources(), MonitorConv(), MonitorLink(), ProcessDDEMLInitiate(), and UpdateLinkIfChanged(). 

00440 {
00441     WCHAR sz[256];
00442 
00443     if (la == 0) {
00444         return (0);
00445     }
00446     if (GetAtomName((ATOM)la, sz, 256) == 0) {
00447         RIPMSG0(RIP_WARNING, "LocalToGlobalAtom out of memory");
00448         return (0);
00449     }
00450     return ((GATOM)GlobalAddAtom(sz));
00451 }

LATOM MakeInstSpecificAtom (  LATOM  la,
HWND  hwnd
) 
 

Definition at line 367 of file hsz.c.

References LATOM, and strlen().

Referenced by ProcessRegistrationMessage(). 

00370 {
00371     WCHAR sz[256];
00372     LPWSTR psz;
00373 
00374     if (GetAtomName(la, sz, 256) == 0) {
00375         return (0);
00376     }
00377 #ifdef UNICODE
00378     psz = sz + wcslen(sz);
00379 #else
00380     psz = sz + strlen(sz);
00381 #endif
00382     wsprintf(psz, TEXT("(%#p)"), hwnd);
00383     la = AddAtom(sz);
00384     return (la);
00385 }

HWND ParseInstSpecificAtom (  LATOM  la,
LATOM *  plaNormal
) 
 

Definition at line 398 of file hsz.c.

References CHAR, and NULL.

Referenced by ValidateConnectParameters(). 

00401 {
00402     CHAR sz[256];
00403     LPSTR pszHwnd;
00404     HWND hwnd;
00405 
00406     /*
00407      * LATER- NEED TO MAKE THIS UNICODE BASED WHEN WE GET A SCANF WE CAN USE
00408      */
00409     if (GetAtomNameA(la, sz, 256) == 0) {
00410         return (0);
00411     }
00412     pszHwnd = strrchr(sz, '(');
00413     if (pszHwnd == NULL) {
00414         return (0);
00415     }
00416     if (sscanf(pszHwnd, "(%#p)", &hwnd) != 1) {
00417         return (0);
00418     }
00419     if (plaNormal != NULL) {
00420         *pszHwnd = '\0';
00421         *plaNormal = AddAtomA(sz);
00422     }
00423     return (hwnd);
00424 }

DWORD ValidateHSZ (  HSZ  hsz  ) 
 

Definition at line 340 of file hsz.c.

References DWORD, HSZT_INST_SPECIFIC, HSZT_INVALID, and HSZT_NORMAL.

Referenced by DdeFreeStringHandle(), DdeKeepStringHandle(), DdeNameService(), DdePostAdvise(), InternalDdeQueryString(), and ValidateConnectParameters(). 

00342 {
00343     if (hsz == 0) {
00344         return (HSZT_NORMAL);
00345     }
00346     if (LOWORD((ULONG_PTR)hsz) < 0xC000) {
00347         return (HSZT_INVALID);
00348     }
00349     if (HIWORD((ULONG_PTR)hsz) == 0) {
00350         return (HSZT_NORMAL);
00351     }
00352     if (HIWORD((ULONG_PTR)hsz) == 1) {
00353         return (HSZT_INST_SPECIFIC);
00354     }
00355     return (HSZT_INVALID);
00356 }

Generated on Sat May 15 19:44:06 2004 for test by doxygen 1.3.7