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tail: Fix tail -n -val to handle leading spaces 

Previously 'tail -n "    -20" foo' was broken, now it works.
This commit is contained in:
sin 2015-02-09 16:01:25 +00:00
parent f802a544e7
commit fe3fc41838
1 changed files with 1 additions and 2 deletions
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3
tail.c
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@ -74,8 +74,7 @@ main(int argc, char *argv[])
break;
case 'n':
lines = EARGF(usage());
n = estrtonum(lines[0] == '-' ? lines + 1 : lines,
0, MIN(LLONG_MAX, SIZE_MAX));
n = MIN(llabs(estrtonum(lines, LLONG_MIN + 1, MIN(LLONG_MAX, SIZE_MAX))), SIZE_MAX);
if (lines[0] == '+')
tail = dropinit;
break;