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commit bash-20130419 snapshot

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This commit is contained in:
Chet Ramey
2013-05-06 08:40:57 -04:00
parent a37d979e7b
commit 2c511d383d
9 changed files with 582 additions and 731 deletions
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variables.c
+9 -1
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@@ -1846,17 +1846,25 @@ find_variable_nameref (v)
{
int level;
char *newname;
SHELL_VAR *orig, *oldv;
level = 0;
orig = v;
while (v && nameref_p (v))
{
level++;
if (level > NAMEREF_MAX)
return ((SHELL_VAR *)0); /* error message here? */
return ((SHELL_VAR *)0); /* error message here? */
newname = nameref_cell (v);
if (newname == 0 || *newname == '\0')
return ((SHELL_VAR *)0);
oldv = v;
v = find_variable_internal (newname, (expanding_redir == 0 && (assigning_in_environment || executing_builtin)));
if (v == orig || v == oldv)
{
internal_warning (_("%s: circular name reference"), orig->name);
return ((SHELL_VAR *)0);
}
}
return v;
}