176 lines
6.2 KiB
C
176 lines
6.2 KiB
C
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/***************************************************************************/
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/* UTIL.H */
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/* Copyright (C) 1995-96 SYWARE Inc., All rights reserved */
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/***************************************************************************/
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#ifdef WIN32
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#define INTFUNC __stdcall
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#else
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#define INTFUNC PASCAL
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#endif
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/***************************************************************************/
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/* To turn on tracing, set ISAM_TRACE to TRUE and recompile */
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#define ISAM_TRACE FALSE
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/* Max size for SQL_LONGVARCHAR */
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#define ISAM_MAX_LONGVARCHAR 16384 //cannot be more than (32767 - 4)
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/***************************************************************************/
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#define BINARY_LENGTH(x) *((SDWORD FAR *) x)
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#define BINARY_DATA(x) (x + sizeof(SDWORD))
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/***************************************************************************/
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RETCODE INTFUNC ReturnString (
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PTR rgbValue,
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SWORD cbValueMax,
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SWORD FAR *pcbValue,
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LPCUSTR lpstr);
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RETCODE INTFUNC ReturnStringD (
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PTR rgbValue,
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SDWORD cbValueMax,
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SDWORD FAR *pcbValue,
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LPCUSTR lpstr);
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/* Takes the zero terminated string 'lpstr' and copies it to buffer */
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/* rgbValue[0..cbValueMax-1], truncating it if need be (if rgbValue */
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/* is null, no data is copied). Also, if pcbValue is not null, it */
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/* is set to the length of the un-truncated string. */
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/* */
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/* Returns ERR_SUCCESS or ERR_DATATRUNCATED */
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/***************************************************************************/
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RETCODE INTFUNC ConvertSqlToC (
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SWORD fSqlTypeIn,
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BOOL fUnsignedAttributeIn,
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PTR rgbValueIn,
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SDWORD cbValueIn,
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SDWORD FAR *pcbOffset,
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SWORD fCTypeOut,
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PTR rgbValueOut,
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SDWORD cbValueOutMax,
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SDWORD FAR *pcbValueOut);
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/* Copies rgbValueIn to rgbValueOut (if not null) and sets pcbValueOut (if */
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/* not null). Data is converted as need be. Data is copied stating at */
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/* rgbValueIn[*pcbOffset] and *pcbOffset is increased by the number of */
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/* bytes returned. */
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/* */
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/* Returns ERR_SUCCESS or ERR_DATATRUNCATED or some other error */
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/***************************************************************************/
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BOOL INTFUNC PatternMatch(
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BOOL fEscape,
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LPUSTR lpCandidate,
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SDWORD cbCandidate,
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LPUSTR lpPattern,
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SDWORD cbPattern,
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BOOL fCaseSensitive);
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/* Tests to see if lpCandidate matched the template specified by */
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/* lpPattern. Percent signs (%) match zero or more characters. */
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/* Underscores (_) match single characters. The camparison is done */
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/* case-insensitive if fCaseSensitive is FALSE. */
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/* */
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/* If fEscape is TRUE, "%%" in the pattern only matches a single '%' in */
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/* the candidate and "%_" in the pattern only matches a single '_' in the */
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/* candidate. */
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/* */
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/* Returns TRUE if there is a match, otherwise FALSE. */
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/***************************************************************************/
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SDWORD INTFUNC TrueSize(
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LPUSTR lpStr,
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SDWORD cbStr,
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SDWORD cbMax);
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/* Returns the size of a string (but not larger than cbMax) */
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/***************************************************************************/
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BOOL INTFUNC DoubleToChar (
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double dbl,
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BOOL ScientificNotationOK,
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LPUSTR lpChar,
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SDWORD cbChar);
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/* Convert a double to a character string. Returns TRUE if value is */
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/* truncated (lpChar will not contain a null terminator). Otherwise FALSE.*/
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/***************************************************************************/
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void INTFUNC DateToChar (
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DATE_STRUCT FAR *lpDate,
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LPUSTR lpChar);
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/* Convert a date to a character string */
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/***************************************************************************/
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void INTFUNC TimeToChar (
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TIME_STRUCT FAR *lpTime,
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LPUSTR lpChar);
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/* Convert a time to a character string */
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/***************************************************************************/
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void INTFUNC TimestampToChar (
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TIMESTAMP_STRUCT FAR *lpTimestamp,
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LPUSTR lpChar);
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/* Convert a timestamp to a character string */
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/***************************************************************************/
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RETCODE INTFUNC CharToDouble (
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LPUSTR lpChar,
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SDWORD cbChar,
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BOOL fIntegerOnly,
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double dblLowBound,
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double dblHighBound,
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double FAR *lpDouble);
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/* Convert a character string to a double */
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/***************************************************************************/
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RETCODE INTFUNC CharToDate (
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LPUSTR lpChar,
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SDWORD cbChar,
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DATE_STRUCT FAR *lpDate);
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/* Convert a character string to a date */
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/***************************************************************************/
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RETCODE INTFUNC CharToTime (
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LPUSTR lpChar,
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SDWORD cbChar,
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TIME_STRUCT FAR *lpTime);
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/* Convert a character string to a time */
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/***************************************************************************/
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RETCODE INTFUNC CharToTimestamp (
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LPUSTR lpChar,
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SDWORD cbChar,
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TIMESTAMP_STRUCT FAR *lpTimestamp);
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/* Convert a character string to a timestamp */
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/***************************************************************************/
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#ifndef WIN32
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BOOL INTFUNC DeleteFile (
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LPCSTR lpszFilename);
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/* Deletes specified file */
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#endif
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/***************************************************************************/
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