diff options
Diffstat (limited to 'doc.c')
| -rw-r--r-- | doc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc.c b/doc.c index d41db7c..38b4802 100644 --- a/doc.c +++ b/doc.c @@ -71,6 +71,14 @@ struct doc_line *doc_line_at(struct doc *d, size_t ofs) { return (struct doc_line *)&d->txt.buf[ofs]; } +int doc_line_nextp(struct doc *d, size_t ofs) { + return ofs + doc_line_at(d, ofs)->len + sizeof(struct doc_line) < d->txt.sz; +} + +int doc_line_prevp(struct doc *d, size_t ofs) { + return ofs >= doc_line_at(d, ofs)->prev + sizeof(struct doc_line); +} + int doc_line_prev(struct doc *d, size_t *ofs) { size_t n = doc_line_at(d, *ofs)->prev + sizeof(struct doc_line); if (*ofs >= n) { |