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kconfig: remove const qualifier from sym_expand_string_value()

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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 <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2018-02-09 01:19:08 +09:00
parent d717f24d8c
commit 523ca58b7d
3 changed files with 4 additions and 4 deletions
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2
scripts/kconfig/lkc_proto.h
View File

@ -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);

2
scripts/kconfig/symbol.c
View File

@ -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;

4
scripts/kconfig/util.c
View File

@ -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);
free(file_name);
return file;
}
}