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#include "MCWin32.h"
FILE * mailcore::win32_fopen(const char * filename, const char * mode)
{
FILE * f = NULL;
int r = fopen_s(&f, filename, mode);
if (r != 0) {
return NULL;
}
return f;
}
static const unsigned __int64 epoch = ((unsigned __int64)116444736000000000ULL);
/*
* timezone information is stored outside the kernel so tzp isn't used anymore.
*
* Note: this function is not for Win32 high precision timing purpose. See
* elapsed_time().
*/
int mailcore::win32_gettimeofday(struct timeval * tp, struct timezone * tzp)
{
// WARNING - tzp is ignored in this implementation.
FILETIME file_time;
SYSTEMTIME system_time;
ULARGE_INTEGER ularge;
GetSystemTime(&system_time);
SystemTimeToFileTime(&system_time, &file_time);
ularge.LowPart = file_time.dwLowDateTime;
ularge.HighPart = file_time.dwHighDateTime;
tp->tv_sec = (long)((ularge.QuadPart - epoch) / 10000000L);
tp->tv_usec = (long)(system_time.wMilliseconds * 1000);
return 0;
}
static int is_leap(unsigned y) {
y += 1900;
return (y % 4) == 0 && ((y % 100) != 0 || (y % 400) == 0);
}
time_t mailcore::win32_timegm(struct tm *tm) {
static const unsigned ndays[2][12] = {
{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
};
time_t res = 0;
int i;
for (i = 70; i < tm->tm_year; ++i)
res += is_leap(i) ? 366 : 365;
for (i = 0; i < tm->tm_mon; ++i)
res += ndays[is_leap(tm->tm_year)][i];
res += tm->tm_mday - 1;
res *= 24;
res += tm->tm_hour;
res *= 60;
res += tm->tm_min;
res *= 60;
res += tm->tm_sec;
return res;
}
struct tm * mailcore::win32_gmtime_r(const time_t *clock, struct tm *result)
{
gmtime_s(result, clock);
return result;
}
struct tm * mailcore::win32_localtime_r(const time_t *clock, struct tm *result)
{
localtime_s(result, clock);
return result;
}
char * mailcore::win32_strcasestr(const char * s, const char * find)
{
char c, sc;
size_t len;
if ((c = *find++) != 0) {
c = tolower((unsigned char)c);
len = strlen(find);
do {
do {
if ((sc = *s++) == 0)
return (NULL);
} while ((char)tolower((unsigned char)sc) != c);
} while (strncasecmp(s, find, len) != 0);
s--;
}
return ((char *)s);
}
int mailcore::win32_vasprintf(char **strp, const char *fmt, va_list ap)
{
int r = -1, size = _vscprintf(fmt, ap);
if ((size >= 0) && (size < INT_MAX)) {
*strp = (char *) malloc(size + 1);
if (* strp) {
r = vsnprintf_s(* strp, size + 1, _TRUNCATE, fmt, ap);
if ((r < 0) || (r > size))
{
free(* strp);
r = -1;
}
}
}
else {
* strp = 0;
}
return r;
}
int mailcore::win32_snprintf(char * str, size_t size, const char * format, ...)
{
va_list argp;
va_start(argp, format);
int result = vsnprintf_s(str, size, _TRUNCATE, format, argp);
va_end(argp);
return result;
}
long mailcore::win32_random(void)
{
unsigned int randValue;
rand_s(&randValue);
return randValue;
}
pid_t mailcore::win32_getpid(void)
{
return GetCurrentProcessId();
}
static const char padchar[] =
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
char * mailcore::win32_mkdtemp(char *path)
{
register char *start, *trv, *suffp;
const char *pad;
struct stat sbuf;
int rval;
for (trv = path; *trv; ++trv);
suffp = trv;
--trv;
if (trv < path) {
errno = EINVAL;
return NULL;
}
/* Fill space with random characters */
/*
* I hope this is random enough. The orginal implementation
* uses arc4random(3) which is not available everywhere.
*/
while (*trv == 'X') {
//int randv = g_random_int_range(0, sizeof(padchar) - 1);
int randv = mailcore::win32_random() % sizeof(padchar);
*trv-- = padchar[randv];
}
start = trv + 1;
/*
* check the target directory.
*/
for (;; --trv) {
if (trv <= path)
break;
if (*trv == '/') {
*trv = '\0';
rval = stat(path, &sbuf);
*trv = '/';
if (rval != 0)
return NULL;
if (!S_ISDIR(sbuf.st_mode)) {
errno = ENOTDIR;
return NULL;
}
break;
}
}
for (;;) {
if (mkdir(path) == 0)
return path;
if (errno != EEXIST)
return NULL;
/* If we have a collision, cycle through the space of filenames */
for (trv = start;;) {
if (*trv == '\0' || trv == suffp)
return NULL;
pad = strchr(padchar, *trv);
if (pad == NULL || !*++pad)
*trv++ = padchar[0];
else {
*trv++ = *pad;
break;
}
}
}
}
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