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//+----------------------------------------------------------------------------
//
// File:
// reterr.h
//
// Contents:
// Macros that perform an (argument) operation, and on failure,
// give a warning, and branch to error returns
//
// Classes:
//
// Functions:
//
// History:
// 12/30/93 - ChrisWe - redefined Warn macro; added DbgWarn
//
//-----------------------------------------------------------------------------
/* Jason's error handling macros */
#ifndef RETERR_H
#define RETERR_H
#ifdef _DEBUG
#ifdef NEVER
FARINTERNAL_(void) wWarn(LPOLESTR sz, LPOLESTR szFile, int iLine);#define Warn(sz) wWarn(sz, __FILE__, __LINE__)
#endif // NEVER
FARINTERNAL_(void) DbgWarn(LPSTR psz, LPSTR pszFileName, ULONG uLineno);#define Warn(sz) DbgWarn(sz, __FILE__, __LINE__)
#else
#define Warn(sz)
#endif // _DEBUG
// Call x. If hresult is not NOERROR, goto errRtn.
#define ErrRtn(x) do {if (NOERROR != (x)) {Warn(NULL); goto errRtn;}} while(0)
// Call x. If hresult is not NOERROR, store it in hresult and goto errRtn.
#define ErrRtnH(x) do {if (NOERROR != (hresult=(x))) {Warn(NULL); goto errRtn;}} while (0)
// If x, goto errRtn.
#define ErrNz(x) do {if (x) {Warn(NULL); goto errRtn;}} while (0)
// If x==0, goto errRtn.
#define ErrZ(x) do {if (!(x)) {Warn(NULL); goto errRtn;}} while (0)
// If x==0, goto errRtn with a specific scode
#define ErrZS(x, scode) do {if (!(x)) {Warn(NULL); hresult=ResultFromScode(scode); goto errRtn;}} while (0)
// Call x. If hresult is not NOERROR, return that hresult.
#define RetErr(x) do {HRESULT hresult; if (NOERROR != (hresult=(x))) {Warn(NULL); return hresult;}} while (0)
// Return unexpected error if x is non-zero
#define RetNz(x) do {if (x) {Warn(NULL); return ReportResult(0, E_UNEXPECTED, 0, 0);}} while (0)
// Return specific scode if x is non-zero
#define RetNzS(x, scode) do {if (x) {Warn(NULL); return ResultFromScode (scode);}} while (0)
// Return unexpected error if x is zero
#define RetZ(x) do {if (!(x)) {Warn(NULL); return ReportResult(0, E_UNEXPECTED, 0, 0);}} while (0)
// Return specific scode if x is zero
#define RetZS(x, scode) do {if (!(x)) {Warn(NULL); return ResultFromScode (scode);}} while (0)
#endif // RETERR_H
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