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fix for posix semantics for the := word expansion when assigning array elements

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This commit is contained in:
Chet Ramey
2021-12-14 14:18:00 -05:00
parent 567c0bc2ed
commit 5f2dd5ff95
17 changed files with 165 additions and 23 deletions
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variables.c
+4 -4
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@@ -2495,7 +2495,7 @@ get_variable_value (var)
/* Return the string value of a variable. Return NULL if the variable
doesn't exist. Don't cons a new string. This is a potential memory
leak if the variable is found in the temporary environment, but doesn't
leak in practice. Since functions and variables have separate name
leak in practice. Since functions and variables have separate name
spaces, returns NULL if var_name is a shell function only. */
char *
get_string_value (var_name)
@@ -3111,7 +3111,7 @@ bind_variable_internal (name, value, table, hflags, aflags)
assign_array_element will eventually do it itself based on
newval and aflags. */
entry = assign_array_element (newval, value, aflags|ASS_NAMEREF);
entry = assign_array_element (newval, value, aflags|ASS_NAMEREF, (char **)0);
if (entry == 0)
return entry;
}
@@ -3268,7 +3268,7 @@ bind_variable (name, value, flags)
return (bind_variable_internal (nv->name, value, nvc->table, 0, flags));
#if defined (ARRAY_VARS)
else if (valid_array_reference (nameref_cell (nv), 0))
return (assign_array_element (nameref_cell (nv), value, flags));
return (assign_array_element (nameref_cell (nv), value, flags, (char **)0));
else
#endif
return (bind_variable_internal (nameref_cell (nv), value, nvc->table, 0, flags));
@@ -3433,7 +3433,7 @@ bind_int_variable (lhs, rhs, flags)
#if defined (ARRAY_VARS)
if (isarr)
v = assign_array_element (lhs, rhs, flags);
v = assign_array_element (lhs, rhs, flags, (char **)0);
else if (implicitarray)
v = bind_array_variable (lhs, 0, rhs, 0); /* XXX - check on flags */
else