nostrdb

commit bf8f2a8d2808c843ae2a0137687f5d7e054d2346
parent 9152e0c149144ad8b73fa4e91b5d31c690e9b43c
Author: William Casarin <jb55@jb55.com>
Date:   Tue, 21 Nov 2023 15:41:16 -0800

cursor: add cursor_skip

this is useful for skipping over data safely

Diffstat:
M
cursor.h
 | 
10
++++++++++

1 file changed, 10 insertions(+), 0 deletions(-)
diff --git a/cursor.h b/cursor.h
@@ -74,6 +74,16 @@ static inline void *cursor_malloc(struct cursor *mem, unsigned long size)
 	return ret;
 }
 
+static inline int cursor_skip(struct cursor *cursor, int n)
+{
+    if (cursor->p + n >= cursor->end)
+        return 0;
+
+    cursor->p += n;
+
+    return 1;
+}
+
 static inline int cursor_slice(struct cursor *mem, struct cursor *slice, size_t size)
 {
 	unsigned char *p;