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edit.c: Fix history generation if there are zero arguments

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This applies a fix from OpenSUSE:
https://build.opensuse.org/package/view_file/shells/ksh/ksh93-reg.dif
This commit is contained in:
Martijn Dekker 2021-02-02 05:24:11 +00:00
parent 627df2b19a
commit 69e18de58f
1 changed files with 7 additions and 2 deletions
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9
src/cmd/ksh93/edit/edit.c
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@ -1762,8 +1762,13 @@ int ed_histgen(Edit_t *ep,const char *pattern)
mplast->next = mp; mplast->next = mp;
mplast->next = 0; mplast->next = 0;
} }
ep->hlist = (Histmatch_t**)argv; if (argv)
ep->hfirst = ep->hlist?ep->hlist[0]:0; {
ep->hlist = (Histmatch_t**)argv;
ep->hfirst = ep->hlist?ep->hlist[0]:0;
}
else
ep->hfirst = 0;
return(ep->hmax=ac); return(ep->hmax=ac);
} }