/* read the final number from a sequence string and return it.
* if given "numstart", return a pointer to the start of
* that number in the string */
EXPORTED unsigned int seq_lastnum(const char *list, const char **numstart)
{
const char *tail;
uint32_t retval = 0;
if (numstart)
*numstart = list;
/* empty */
if (!list) return 0;
if (!list[0]) return 0;
/* find the end of the string */
tail = list + strlen(list);
/* work back until first non-digit */
while (tail > list && cyrus_isdigit(tail[-1]))
tail--;
/* read the number */
if (parseuint32(tail, NULL, &retval))
retval = 0;
if (numstart)
*numstart = tail;
return retval;
}
static int read_num(const char **input, unsigned maxval, unsigned *res)
{
const char *ptr = *input;
if (*ptr == '*') {
*res = maxval ? maxval : UINT_MAX;
ptr++;
*input = ptr;
return 0;
}
else if (cyrus_isdigit((int) *ptr)) {
*res = 0;
while (cyrus_isdigit((int) *ptr)) {
*res = (*res)*10 + *ptr - '0';
ptr++;
}
*input = ptr;
return 0;
}
/* not expected */
return -1;
}
static int _parseliteral(struct dlistsax_state *s, struct buf *buf)
{
size_t len = 0;
if (*s->p++ != '{') return IMAP_INVALID_IDENTIFIER;
while (s->p < s->end) {
if (cyrus_isdigit(*s->p)) {
len = (len * 10) + (*s->p++ - '0');
}
else if (*s->p == '}') {
if (s->p + 3 + len >= s->end) break;
if (s->p[1] != '\r') break;
if (s->p[2] != '\n') break;
buf_setmap(buf, s->p+3, len);
s->p += len = 3;
return 0;
}
}
return IMAP_INVALID_IDENTIFIER;
}
