void sysinfo(void)
{
FILE *f = con_term;
int fg = 0;
const char *env = NULL;
head();
#if defined(HAVE_LOCALTIME) && defined(HAVE_GMTIME)
{
char s[40];
time_t t;
t = time(NULL);
tm2str(s, sizeof(s), localtime(&t));
con_fprintf(f,"Local time is: %s\n",s);
tm2str(s, sizeof(s), gmtime(&t));
con_fprintf(f,"GMT time is: %s\n\n",s);
}
#endif
#if defined(OPTIONS_VAR)
env = getenv(OPTIONS_VAR);
if (env && env[0])
con_fprintf(f,"Contents of environment variable %s: '%s'\n\n",
OPTIONS_VAR, env);
else
con_fprintf(f,"Environment variable '%s' is not set.\n\n",
OPTIONS_VAR);
#endif
#if defined(USE_FOPEN)
con_fprintf(f,"This version uses stdio for opening files.\n\n");
#endif
#if defined(__DJGPP__)
sysinfo_djgpp();
#endif
UNUSED(env);
UNUSED(fg);
}
void time2str(char *s, size_t size, const time_t *t)
{
assert(size >= 18);
#if (HAVE_LOCALTIME)
tm2str(s, size, localtime(t));
#elif (HAVE_CTIME)
const char *p = ctime(t);
memset(s, ' ', 16);
memcpy(s + 2, p + 4, 6);
memcpy(s + 11, p + 11, 5);
s[16] = 0;
#else
s[0] = 0;
#endif
}
int main()
{
char timestamp[32];
time_t ltime;
struct tm *tm1, tm2;
DATETIME dt;
/* get linux datetime */
time(<ime);
tm1 = localtime(<ime);
printf("Struct tm format:\n");
printf("yr=%d\n", tm1->tm_year);
printf("mon=%d\n", tm1->tm_mon);
printf("mday=%d\n", tm1->tm_mday);
printf("hr=%d\n", tm1->tm_hour);
printf("min=%d\n", tm1->tm_min);
printf("sec=%d\n", tm1->tm_sec);
tm2dt(tm1, &dt);
printf("DATEIME format:\n");
printf("yr=%x\n", dt.yr);
printf("mon=%x\n", dt.mon);
printf("mday=%x\n", dt.mday);
printf("hr=%x\n", dt.hr);
printf("min=%x\n", dt.min);
printf("sec=%x\n", dt.sec);
dt2tm(&dt, &tm2);
printf("Struct tm format:\n");
printf("yr=%d\n", tm2.tm_year);
printf("mon=%d\n", tm2.tm_mon);
printf("mday=%d\n", tm2.tm_mday);
printf("hr=%d\n", tm2.tm_hour);
printf("min=%d\n", tm2.tm_min);
printf("sec=%d\n", tm2.tm_sec);
/* convert datetime value to string */
memset(timestamp, '\0', sizeof(timestamp));
tm2str(tm1, timestamp);
printf("%s\n", timestamp);
memset(timestamp, '\0', sizeof(timestamp));
dt2str(&dt, timestamp);
printf("%s\n", timestamp);
return 0;
}