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Use nextln() in scroll()

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This commit is contained in:
Roberto E. Vargas Caballero 2018-03-04 17:10:17 +01:00 committed by sin
parent ebf740f962
commit cd9b149c8f
1 changed files with 10 additions and 4 deletions
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14
ed.c
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@ -841,14 +841,20 @@ join(void)
static void static void
scroll(int num) scroll(int num)
{ {
int i; int max, ln, cnt;
if (!line1 || line1 == lastln) if (!line1 || line1 == lastln)
error("incorrect address"); error("incorrect address");
for (i = line1; i <= line1 + num && i <= lastln; ++i) ln = line1;
fputs(gettxt(i), stdout); max = line1 + num;
curln = i; if (max > lastln)
max = lastln;
for (cnt = line1; cnt < max; cnt++) {
fputs(gettxt(ln), stdout);
ln = nextln(ln);
}
curln = ln;
} }
static void static void