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limit alias characters to what POSIX requires

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tg
2017-04-06 00:53:35 +00:00
parent bcde17a8fc
commit e00f693cba
3 changed files with 16 additions and 4 deletions
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10
funcs.c
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@@ -38,7 +38,7 @@
#endif
#endif
__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.334 2017/04/02 16:47:41 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.335 2017/04/06 00:53:33 tg Exp $");
#if HAVE_KILLPG
/*
@@ -839,6 +839,14 @@ c_alias(const char **wp)
strndupx(xalias, alias, val++ - alias, ATEMP);
alias = xalias;
}
newval = alias;
while (*newval)
if (!ksh_isalias(*newval)) {
bi_errorf(Tinvname, alias, Talias);
afree(xalias, ATEMP);
return (1);
} else
++newval;
h = hash(alias);
if (val == NULL && !tflag && !xflag) {
ap = ktsearch(t, alias, h);