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Improved the output of the "history" command with a 1-line history buffer,

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and also improved the error handling of explicitly-specified first/last
values.
This commit is contained in:
Wayne Davison 2002-02-22 21:59:43 +00:00
parent 663c6e794a
commit 8fc5ffa60a
1 changed files with 14 additions and 9 deletions
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23
Src/builtin.c
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@ -1308,18 +1308,23 @@ bin_fc(char *nam, char **argv, char *ops, int func)
return 1;
}
/* default values of first and last, and range checking */
if (last == -1) {
if (ops['l'] && first < curhist) {
last = addhistnum(curline.histnum,-1,0);
if (last < firsthist())
last = firsthist();
}
else
last = first;
}
if (first == -1) {
first = ops['l']? addhistnum(curline.histnum,-16,0)
: addhistnum(curline.histnum,-1,0);
: addhistnum(curline.histnum,-1,0);
if (first < 1)
first = 1;
if (last < first)
last = first;
}
if (last == -1)
last = ops['l']? addhistnum(curline.histnum,-1,0) : first;
if (first < firsthist())
first = firsthist() - (last < firsthist());
if (last > curhist)
last = curhist;
else if (last < first)
last = first;
if (ops['l']) {
/* list the required part of the history */
retval = fclist(stdout, !ops['n'], ops['r'], ops['D'],