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fix sort(1) bug where it incorrectly included the field separator in the comparison if it was >= Runeself

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This commit is contained in:
aiju 2018-02-07 18:53:08 +00:00
parent d8999511e0
commit af0de5ada8
1 changed files with 9 additions and 6 deletions
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15
sys/src/cmd/sort.c
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@ -941,13 +941,14 @@ doargs(int argc, char *argv[])
uchar*
skip(uchar *l, int n1, int n2, int bflag, int endfield)
{
int i, c, tc;
int i, c, ln, tc;
Rune r;
if(endfield && n1 < 0)
return 0;
c = *l++;
ln = 1;
tc = args.tabchar;
if(tc) {
if(tc < Runeself) {
@ -962,15 +963,15 @@ skip(uchar *l, int n1, int n2, int bflag, int endfield)
}
} else {
l--;
l += chartorune(&r, (char*)l);
l += ln = chartorune(&r, (char*)l);
for(i=n1; i>0; i--) {
while(r != tc) {
if(r == '\n')
return 0;
l += chartorune(&r, (char*)l);
l += ln = chartorune(&r, (char*)l);
}
if(!(endfield && i == 1))
l += chartorune(&r, (char*)l);
l += ln = chartorune(&r, (char*)l);
}
c = r;
}
@ -987,10 +988,12 @@ skip(uchar *l, int n1, int n2, int bflag, int endfield)
}
if(bflag)
while(c == ' ' || c == '\t')
while(c == ' ' || c == '\t'){
c = *l++;
ln = 1;
}
l--;
l -= ln;
for(i=n2; i>0; i--) {
c = *l;
if(c < Runeself) {