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/*
* Copyright (c) 1991, 1992, 1993 Brad Eacker,
* (Music, Intuition, Software, and Computers)
* All Rights Reserved
*/
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include "dbf_misc.h"
/*
* routine to change little endian long to host long
*/
long get_long(char *cp)
{
int ret;
unsigned char *source = (unsigned char *)cp;
ret = *source++;
ret += ((*source++)<<8);
ret += ((*source++)<<16);
ret += ((*source++)<<24);
return ret;
}
void put_long(char *cp, long lval)
{
*cp++ = lval & 0xff;
*cp++ = (lval >> 8) & 0xff;
*cp++ = (lval >> 16) & 0xff;
*cp++ = (lval >> 24) & 0xff;
}
/*
* routine to change little endian short to host short
*/
int get_short(char *cp)
{
int ret;
unsigned char *source = (unsigned char *)cp;
ret = *source++;
ret += ((*source++)<<8);
return ret;
}
void put_short(char *cp, int sval)
{
*cp++ = sval & 0xff;
*cp++ = (sval >> 8) & 0xff;
}
double get_double(char *cp)
{
double ret;
unsigned char *dp = (unsigned char *)&ret;
dp[7] = *cp++;
dp[6] = *cp++;
dp[5] = *cp++;
dp[4] = *cp++;
dp[3] = *cp++;
dp[2] = *cp++;
dp[1] = *cp++;
dp[0] = *cp++;
return ret;
}
void put_double(char *cp, double fval)
{
unsigned char *dp = (unsigned char *)&fval;
cp[7] = *dp++;
cp[6] = *dp++;
cp[5] = *dp++;
cp[4] = *dp++;
cp[3] = *dp++;
cp[2] = *dp++;
cp[1] = *dp++;
cp[0] = *dp++;
}
void copy_fill(char *dp, char *sp, int len)
{
while (*sp && len > 0) {
*dp++ = *sp++;
len--;
}
while (len-- > 0)
*dp++ = ' ';
}
void copy_crimp(char *dp, char *sp, int len)
{
while (len-- > 0) {
*dp++ = *sp++;
}
*dp = 0;
for (dp-- ; *dp == ' '; dp--) {
*dp = 0;
}
}
void db_set_date(char *cp, int year, int month, int day)
{
if (month > 12)
month = 0;
if (day > 31)
day = 0;
sprintf(cp, "%d", year);
cp[4] = month / 10 + '0';
cp[5] = month % 10 + '0';
cp[6] = day / 10 + '0';
cp[7] = day % 10 + '0';
cp[8] = 0;
}
int db_date_year(char *cp)
{
int year, i;
for (year = 0, i = 0; i < 4; i++)
year = year * 10 + (cp[i] - '0');
return year;
}
int db_date_month(char *cp)
{
int month, i;
for (month = 0, i = 4; i < 6; i++)
month = month * 10 + (cp[i] - '0');
return month;
}
int db_date_day(char *cp)
{
int day, i;
for (day = 0, i = 6; i < 8; i++)
day = day * 10 + (cp[i] - '0');
return day;
}
#include <time.h>
char *db_cur_date(char *cp)
{
struct tm *ctm, tmbuf;
time_t c_time;
c_time = time((time_t *)NULL);
ctm = localtime_r(&c_time, &tmbuf);
if (cp == NULL)
cp = (char *)malloc(9);
if (ctm == NULL || cp == NULL)
return NULL;
db_set_date(cp, ctm->tm_year + 1900, ctm->tm_mon + 1, ctm->tm_mday);
return cp;
}
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