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/*
* XMail by Davide Libenzi ( Intranet and Internet mail server )
* Copyright (C) 1999,..,2004 Davide Libenzi
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Davide Libenzi <davidel@xmailserver.org>
*
*/
#ifndef _SYSMACROS_H
#define _SYSMACROS_H
#define SRand() srand((unsigned int) (SysMsTime() * SysGetCurrentThreadId()))
#define NbrCeil(n, a) ((((n) + (a) - 1) / (a)) * (a))
#define NbrFloor(n, a) (((n) / (a)) * (a))
#define Sign(v) (((v) < 0) ? -1: +1)
#define Min(a, b) (((a) < (b)) ? (a): (b))
#define Max(a, b) (((a) > (b)) ? (a): (b))
#define Abs(v) (((v) > 0) ? (v): -(v))
#define INext(i, n) ((((i) + 1) < (n)) ? ((i) + 1): 0)
#define IPrev(i, n) (((i) > 0) ? ((i) - 1): ((n) - 1))
#define LIndex2D(i, j, n) ((i) * (n) + (j))
#define ZeroData(d) memset(&(d), 0, sizeof(d))
#define CountOf(t) (sizeof(t) / sizeof((t)[0]))
#define SetEmptyString(s) (s)[0] = '\0'
#define IsEmptyString(s) (*(s) == '\0')
#define CStringSize(s) (sizeof(s) - 1)
#define StrCmdMatch(s, c) StrNCmdMatch(s, c, CStringSize(c))
#define StrSkipSpaces(p) for (; (*(p) == ' ') || (*(p) == '\t'); (p)++)
#define CharISame(a, b) (tolower(a) == tolower(b))
#define StrINComp(s, t) strnicmp(s, t, strlen(t))
#define StrNComp(s, t) strncmp(s, t, strlen(t))
#define StrSINComp(s, t) strnicmp(s, t, CStringSize(t))
#define StrSNComp(s, t) strncmp(s, t, CStringSize(t))
#define StrNCpy(t, s, n) do { strncpy(t, s, n); (t)[(n) - 1] = '\0'; } while (0)
#define StrSNCpy(t, s) StrNCpy(t, s, sizeof(t))
#define StrSNCat(t, s) StrNCat(t, s, sizeof(t))
#define Cpy2Sz(d, s, n) do { memcpy(d, s, (n) * sizeof(*(s))); (d)[n] = 0; } while (0)
#define StrEnd(s) ((char *) (s) + strlen(s))
#define CheckRemoveFile(fp) ((SysExistFile(fp)) ? SysRemove(fp) : 0)
#define SysFreeNullify(p) do { SysFree(p), (p) = NULL; } while(0)
#define FCloseNullify(f) do { if ((f) != NULL) fclose(f); (f) = NULL; } while (0)
#define ErrorSet(e) (ErrSetErrorCode(e), e)
#define ErrorPush() int __iPushedError = ErrGetErrorCode()
#define ErrorPop() ErrorSet(__iPushedError)
#define ErrorFetch() __iPushedError
#define DatumStrSet(d, s) do { (d)->pData = (char *) (s); (d)->lSize = strlen(s); } while (0)
#define IsDotFilename(f) ((f)[0] == '.')
#define IsEmailAddress(a) (strchr((a), '@') != NULL)
#define MemMatch(s, n, m, l) ((n) == (l) && memcmp(s, m, n) == 0)
#define EquivDatum(a, b) ((a)->lSize == (b)->lSize && memcmp((a)->pData, (b)->pData, (a)->lSize) == 0)
#define ArrayInit(a, v) do { unsigned int __i; for (__i = 0; __i < CountOf(a); __i++) (a)[__i] = (v); } while (0)
#define StrVSprint(r, l, f) do { \
int iCurrSize = 256; \
int iPSize; \
va_list Args; \
for (;;) { \
r = (char *) SysAlloc(iCurrSize); \
if (r == NULL) \
break; \
va_start(Args, l); \
if (((iPSize = SysVSNPrintf(r, iCurrSize - 1, f, Args)) >= 0) && \
iPSize < iCurrSize) { \
va_end(Args); \
break; \
} \
va_end(Args); \
if (iPSize > 0) \
iCurrSize = (4 * iPSize) / 3 + 2; \
else \
iCurrSize *= 2; \
SysFree(r); \
} \
} while (0)
/* Inline functions */
inline char *StrNCat(char *pszDest, char const *pszSrc, int iMaxSize)
{
int iDestLength = strlen(pszDest);
if (iDestLength < iMaxSize)
StrNCpy(pszDest + iDestLength, pszSrc, iMaxSize - iDestLength);
return pszDest;
}
inline int StrNCmdMatch(char const *pszCmdLine, char const *pszCmd, int iCmdLength)
{
return strnicmp(pszCmdLine, pszCmd, iCmdLength) == 0 &&
(pszCmdLine[iCmdLength] == '\0' || strchr(" \r\n\t", pszCmdLine[iCmdLength]) != NULL);
}
inline char *AppendChar(char *pszString, int iChar)
{
int iStrLength = strlen(pszString);
if (iStrLength == 0 || pszString[iStrLength - 1] != iChar) {
pszString[iStrLength] = iChar;
pszString[iStrLength + 1] = '\0';
}
return pszString;
}
inline char *AppendSlash(char *pszPath)
{
return AppendChar(pszPath, SYS_SLASH_CHAR);
}
inline char *DelFinalChar(char *pszString, int iChar)
{
int iStrLength = strlen(pszString);
if (iStrLength > 0 && pszString[iStrLength - 1] == iChar)
pszString[iStrLength - 1] = '\0';
return pszString;
}
inline char *DelFinalSlash(char *pszPath)
{
return DelFinalChar(pszPath, SYS_SLASH_CHAR);
}
inline int ToUpper(int iChar)
{
return ((iChar >= 'a') && (iChar <= 'z')) ? ('A' + (iChar - 'a')) : iChar;
}
inline int ToLower(int iChar)
{
return ((iChar >= 'A') && (iChar <= 'Z')) ? ('a' + (iChar - 'A')) : iChar;
}
inline int IsPrimeNumber(int iNumber)
{
if (iNumber > 3) {
if (iNumber & 1) {
int iHalfNumber = iNumber / 2;
for (int ii = 3; ii < iHalfNumber; ii += 2)
if ((iNumber % ii) == 0)
return 0;
} else
return 0;
}
return 1;
}
inline char *ClearEOL(char *pszBuffer)
{
int iSize = strlen(pszBuffer);
for (; iSize > 0 && (pszBuffer[iSize - 1] == '\r' || pszBuffer[iSize - 1] == '\n');
iSize--);
pszBuffer[iSize] = '\0';
return pszBuffer;
}
#endif
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