commit cd9b149c8f8f37773ddd6ab9a9bd7b49b2ddaafe Author: Roberto E. Vargas Caballero <k...@shike2.com> AuthorDate: Sun Mar 4 17:10:17 2018 +0100 Commit: sin <s...@2f30.org> CommitDate: Tue Jul 3 09:31:46 2018 +0100
Use nextln() in scroll() diff --git a/ed.c b/ed.c index 6858c2d..006e67b 100644 --- a/ed.c +++ b/ed.c @@ -841,14 +841,20 @@ join(void) static void scroll(int num) { - int i; + int max, ln, cnt; if (!line1 || line1 == lastln) error("incorrect address"); - for (i = line1; i <= line1 + num && i <= lastln; ++i) - fputs(gettxt(i), stdout); - curln = i; + ln = line1; + max = line1 + num; + if (max > lastln) + max = lastln; + for (cnt = line1; cnt < max; cnt++) { + fputs(gettxt(ln), stdout); + ln = nextln(ln); + } + curln = ln; } static void