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#include <time.h>
#include <pthread.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
int getdate_err;
struct tm *getdate(const char *s)
{
static struct tm tmbuf;
struct tm *ret = 0;
char *datemsk = getenv("DATEMSK");
FILE *f = 0;
char fmt[100], *p;
int cs;
pthread_setcancelstate(PTHREAD_CANCEL_DEFERRED, &cs);
if (!datemsk) {
getdate_err = 1;
goto out;
}
f = fopen(datemsk, "rbe");
if (!f) {
if (errno == ENOMEM) getdate_err = 6;
else getdate_err = 2;
goto out;
}
while (fgets(fmt, sizeof fmt, f)) {
p = strptime(s, fmt, &tmbuf);
if (p && !*p) {
ret = &tmbuf;
goto out;
}
}
if (ferror(f)) getdate_err = 5;
else getdate_err = 7;
out:
if (f) fclose(f);
pthread_setcancelstate(cs, 0);
return ret;
}
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