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-rw-r--r--line-range.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/line-range.h b/line-range.h
index ae3d0123b4..83ba3c25e8 100644
--- a/line-range.h
+++ b/line-range.h
@@ -9,6 +9,9 @@
* line 'lno' inside the 'cb_data'. The caller is expected to already
* have a suitable map at hand to make this a constant-time lookup.
*
+ * 'anchor' is the 1-based line at which relative range specifications
+ * should be anchored. Absolute ranges are unaffected by this value.
+ *
* Returns 0 in case of success and -1 if there was an error. The
* actual range is stored in *begin and *end. The counting starts
* at 1! In case of error, the caller should show usage message.
@@ -18,7 +21,7 @@ typedef const char *(*nth_line_fn_t)(void *data, long lno);
extern int parse_range_arg(const char *arg,
nth_line_fn_t nth_line_cb,
- void *cb_data, long lines,
+ void *cb_data, long lines, long anchor,
long *begin, long *end,
const char *path);