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Subject[RFC PATCH 3/7] kconfig: remove const qualifier from sym_expand_string_value()
Date
This function returns realloc'ed memory, so the returned pointer
must be passed to free() when done. Change the return value type
to save casting.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

scripts/kconfig/lkc_proto.h | 2 +-
scripts/kconfig/symbol.c | 2 +-
scripts/kconfig/util.c | 4 ++--
3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
index 5d86e2d..9dc8abf 100644
--- a/scripts/kconfig/lkc_proto.h
+++ b/scripts/kconfig/lkc_proto.h
@@ -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);
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index bc3ec6a..893eae6 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -901,7 +901,7 @@ 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;
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index 01ead28..befaec9 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -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;
}
}
--
2.7.4
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