int parse_size_str(const char *in, size_t in_size, uint64_t *out)
{
int retval;
char int_buf[sizeof("18446744073709551615")];
int chars_copied = copy_numeric(in, in_size, int_buf, sizeof(int_buf));
if (chars_copied == 0)
{
return ERROR_parse_size_str_NO_LEADING_NUMERIC_CHARS;
}
int base = 10;
unsigned long long int size = strtoull(int_buf, NULL, base);
char *suffix_in = (char*)in + chars_copied;
size_t suffix_size = in_size - chars_copied;
suffix_t suffix;
retval = parse_suffix(suffix_in, suffix_size, &suffix);
if (retval < 0) return retval;
uint64_t multiplier = suffix_to_multiplier(&suffix);
// thanks to http://stackoverflow.com/a/199363
bool would_overflow = (multiplier > (UINT64_MAX / size));
if (would_overflow)
{
return ERROR_parse_size_str_WOULD_OVERFLOW_UINT64;
}
*out = size * multiplier;
return RETURN_SUCCESS;
}
time_t parse_time( const char *str, time_t current )
{
struct tm t;
int count;
char suffix[2];
int n;
memset(&t,0,sizeof(t));
if(!strcmp(str,"now")) {
return current;
}
n = sscanf(str, "%d%[yYdDhHmMsS]", &count, suffix);
if(n==2) {
return current - count*suffix_to_multiplier(suffix[0]);
}
n = sscanf(str, "%d-%d-%d %d:%d:%d", &t.tm_year,&t.tm_mon,&t.tm_mday,&t.tm_hour,&t.tm_min,&t.tm_sec);
if(n==6) {
if (t.tm_hour>23)
t.tm_hour = 0;
if (t.tm_min>23)
t.tm_min = 0;
if (t.tm_sec>23)
t.tm_sec = 0;
t.tm_year -= 1900;
t.tm_mon -= 1;
return mktime(&t);
}
n = sscanf(str, "%d-%d-%d", &t.tm_year,&t.tm_mon,&t.tm_mday);
if(n==3) {
t.tm_year -= 1900;
t.tm_mon -= 1;
return mktime(&t);
}
return 0;
}
