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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 <yamada.masahiro@socionext.com>
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@ -31,7 +31,7 @@ extern struct symbol * symbol_hash[SYMBOL_HASHSIZE];
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struct symbol * sym_lookup(const char *name, int flags);
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struct symbol * sym_find(const char *name);
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const char * sym_expand_string_value(const char *in);
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char *sym_expand_string_value(const char *in);
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const char * sym_escape_string_value(const char *in);
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struct symbol ** sym_re_search(const char *pattern);
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const char * sym_type_name(enum symbol_type type);
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@ -899,7 +899,7 @@ struct symbol *sym_find(const char *name)
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* name to be expanded shall be prefixed by a '$'. Unknown symbol expands to
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* the empty string.
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*/
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const char *sym_expand_string_value(const char *in)
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char *sym_expand_string_value(const char *in)
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{
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const char *src;
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char *res;
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@ -14,11 +14,11 @@
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struct file *file_lookup(const char *name)
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{
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struct file *file;
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const char *file_name = sym_expand_string_value(name);
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char *file_name = sym_expand_string_value(name);
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for (file = file_list; file; file = file->next) {
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if (!strcmp(name, file->name)) {
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free((void *)file_name);
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free(file_name);
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return file;
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}
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}
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