typing: make `vfs.isfileorlink_checkdir()` path arg required
The only caller to this is `merge._checkunknownfile()`, which supplies a value.
That's good, because `util.localpath()` immediately uses the value to call a
method on it on Windows. The posix implementation returns the value unaltered,
but then `pathutil.finddirs_rev_noroot()` would have exploded.
#ifndef HG_MPATCH_H
#define HG_MPATCH_H
#define MPATCH_ERR_NO_MEM -3
#define MPATCH_ERR_CANNOT_BE_DECODED -2
#define MPATCH_ERR_INVALID_PATCH -1
struct mpatch_frag {
int start, end, len;
const char *data;
};
struct mpatch_flist {
struct mpatch_frag *base, *head, *tail;
};
int mpatch_decode(const char *bin, ssize_t len, struct mpatch_flist **res);
ssize_t mpatch_calcsize(ssize_t len, struct mpatch_flist *l);
void mpatch_lfree(struct mpatch_flist *a);
int mpatch_apply(char *buf, const char *orig, ssize_t len,
struct mpatch_flist *l);
struct mpatch_flist *
mpatch_fold(void *bins, struct mpatch_flist *(*get_next_item)(void *, ssize_t),
ssize_t start, ssize_t end);
#endif