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// Copyright (c) 1998-1999 Peter Karlsson
//
// $Id: utility.cpp,v 1.6 1999/07/21 12:38:48 peter Exp $
//
// 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, version 2
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#include <string>
#include <ctype.h>
#include <stdio.h>
#include "utility.h"
// Compare two strings case in-sensitively
// Why isn't this functionality available in ANSI C++? *sigh*
int fcompare(const string &s1, const string &s2)
{
int ls1 = s1.length(), ls2 = s2.length();
for (int i = 0; i < ls1 && i < ls2; i ++)
{
if (toupper(s1[i]) != toupper(s2[i]))
{
return toupper(s1[i]) - toupper(s2[i]);
}
}
return ls1 - ls2;
}
// The following is from MsgEd 4.30:
// Written on 10-Jul-94 by John Dennis and released to the public domain.
time_t stampToTimeT(struct stamp_s *st)
{
time_t tt;
struct tm tms;
if (0 == st->date.da || 0 == st->date.mo)
{
return 0;
}
tms.tm_sec = st->time.ss << 1;
tms.tm_min = st->time.mm;
tms.tm_hour = st->time.hh;
tms.tm_mday = st->date.da;
tms.tm_mon = st->date.mo - 1;
tms.tm_year = st->date.yr + 80;
tms.tm_isdst = -1;
#if defined(__GNUC__) && !defined(__EMX__) && !defined(__CYGWIN__)
tms.tm_gmtoff = 0;
#endif
tt = mktime(&tms);
return tt;
}
static const char months[] = "JanFebMarAprMayJunJulAugSepOctNovDec";
// Convert FTSC style time-stamp to time_t
time_t asciiToTimeT(const char *datetime)
{
time_t tt;
struct tm tms;
char month[4] = { 0,0,0,0 };
if (' ' == datetime[2])
{ // "Dd Mmm Yy HH:MM:SS"
sscanf(datetime, "%d %s %d %d:%d:%d",
&tms.tm_mday, month, &tms.tm_year,
&tms.tm_hour, &tms.tm_min, &tms.tm_sec);
}
else if (' ' == datetime[3])
{ // "Www Dd Mmm Yy HH:MM"
sscanf(&datetime[4], "%d %s %d %d:%d",
&tms.tm_mday, month, &tms.tm_year,
&tms.tm_hour, &tms.tm_min);
tms.tm_sec = 0;
}
else
return 0;
// Check month
char *c_p = strstr(months, month);
if (!c_p) return 0;
tms.tm_mon = ((int) (c_p - months)) / 3;
// Check year
// FIXME: This need to be corrected to handle dates >2080
// better use some sliding-window technique
if (tms.tm_year < 80) tms.tm_year += 100;
#if defined(__GNUC__) && !defined(__EMX__) && !defined(__CYGWIN__)
tms.tm_gmtoff = 0;
#endif
tt = mktime(&tms);
return tt;
}
// Copy out kludges and body to separate buffers
// kludges go into ctrlbuf, body stays in buf, but is
// relocated.
void fixupctrlbuffer(char *body_p, char *ctrl_p)
{
char *newbody_p = body_p;
char *nextseenby_p = strstr(body_p, "SEEN-BY");
bool iskludge = false;
bool wascr = true;
while (*body_p)
{
if (wascr && 1 == *body_p)
{
iskludge = true;
}
else if (wascr && nextseenby_p == body_p)
{
// SEEN-BY doesn't start with ^A
iskludge = true;
nextseenby_p = strstr(body_p + 1, "SEEN-BY");
if (ctrl_p) *(ctrl_p ++) = 1;
}
if (iskludge)
{
// We don't do CR/LF in the kludge buffer
if ('\r' != *body_p && '\n' != *body_p && ctrl_p)
*(ctrl_p ++) = *body_p;
}
else
{
*(newbody_p ++) = *body_p;
}
if ('\r' == *body_p || '\n' == *body_p)
{
iskludge = false;
wascr = true;
}
else
{
wascr = false;
}
body_p ++;
}
// Zero terminate what we got
if (ctrl_p) *ctrl_p = 0;
*newbody_p = 0;
}
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