Commit 523ca58b authored by Masahiro Yamada's avatar Masahiro Yamada

kconfig: remove const qualifier from sym_expand_string_value()

This function returns realloc'ed memory, so the returned pointer
must be passed to free() when done.  So, 'const' qualifier is odd.
It is allowed to modify the expanded string.
Signed-off-by: Masahiro Yamada's avatarMasahiro Yamada <>
parent d717f24d
......@@ -31,7 +31,7 @@ extern struct symbol * symbol_hash[SYMBOL_HASHSIZE];
struct symbol * sym_lookup(const char *name, int flags);
struct symbol * sym_find(const char *name);
const char * sym_expand_string_value(const char *in);
char *sym_expand_string_value(const char *in);
const char * sym_escape_string_value(const char *in);
struct symbol ** sym_re_search(const char *pattern);
const char * sym_type_name(enum symbol_type type);
......@@ -899,7 +899,7 @@ struct symbol *sym_find(const char *name)
* name to be expanded shall be prefixed by a '$'. Unknown symbol expands to
* the empty string.
const char *sym_expand_string_value(const char *in)
char *sym_expand_string_value(const char *in)
const char *src;
char *res;
......@@ -14,11 +14,11 @@
struct file *file_lookup(const char *name)
struct file *file;
const char *file_name = sym_expand_string_value(name);
char *file_name = sym_expand_string_value(name);
for (file = file_list; file; file = file->next) {
if (!strcmp(name, file->name)) {
free((void *)file_name);
return file;
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