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Extra ptrlen function, ptrlen_endswith().

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Identical to ptrlen_startswith(), only the other way round.
This commit is contained in:
Simon Tatham
2019-03-09 15:47:28 +00:00
parent 5eb6c19047
commit 757c91e2de
2 changed files with 15 additions and 0 deletions
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14
utils.c
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@ -924,6 +924,20 @@ bool ptrlen_startswith(ptrlen whole, ptrlen prefix, ptrlen *tail)
return false;
}
bool ptrlen_endswith(ptrlen whole, ptrlen suffix, ptrlen *tail)
{
if (whole.len >= suffix.len &&
!memcmp((char *)whole.ptr + (whole.len - suffix.len),
suffix.ptr, suffix.len)) {
if (tail) {
tail->ptr = whole.ptr;
tail->len = whole.len - suffix.len;
}
return true;
}
return false;
}
char *mkstr(ptrlen pl)
{
char *p = snewn(pl.len + 1, char);