kconfig: remove sym_expand_string_value()

There is no more caller of sym_expand_string_value().

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>

diff --git a/config/lkc_proto.h b/config/lkc_proto.h
index 9f465fe1ca853263a1f407d81c1c2462944830fb..c46929fab7d97401dd7d88c0207c9fdbd7e366c4 100644 (file)
--- a/config/lkc_proto.h
+++ b/config/lkc_proto.h
@@ -31,7 +31,6 @@ extern struct symbol * symbol_hash[SYMBOL_HASHSIZE];
 
 struct symbol * sym_lookup(const char *name, int flags);
 struct symbol * sym_find(const char *name);
-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/config/symbol.c b/config/symbol.c
index 2460648a581aee4a9c8d41a6661dfd29627b8ff3..7c9a88e91cfad95f8fa2e350c2dcccb92981d36f 100644 (file)
--- a/config/symbol.c
+++ b/config/symbol.c
@@ -879,59 +879,6 @@ struct symbol *sym_find(const char *name)
        return symbol;
 }
 
-/*
- * Expand symbol's names embedded in the string given in argument. Symbols'
- * name to be expanded shall be prefixed by a '$'. Unknown symbol expands to
- * the empty string.
- */
-char *sym_expand_string_value(const char *in)
-{
-       const char *src;
-       char *res;
-       size_t reslen;
-
-       /*
-        * Note: 'in' might come from a token that's about to be
-        * freed, so make sure to always allocate a new string
-        */
-       reslen = strlen(in) + 1;
-       res = xmalloc(reslen);
-       res[0] = '\0';
-
-       while ((src = strchr(in, '$'))) {
-               char *p, name[SYMBOL_MAXLENGTH];
-               const char *symval = "";
-               struct symbol *sym;
-               size_t newlen;
-
-               strncat(res, in, src - in);
-               src++;
-
-               p = name;
-               while (isalnum(*src) || *src == '_')
-                       *p++ = *src++;
-               *p = '\0';
-
-               sym = sym_find(name);
-               if (sym != NULL) {
-                       sym_calc_value(sym);
-                       symval = sym_get_string_value(sym);
-               }
-
-               newlen = strlen(res) + strlen(symval) + strlen(src) + 1;
-               if (newlen > reslen) {
-                       reslen = newlen;
-                       res = xrealloc(res, reslen);
-               }
-
-               strcat(res, symval);
-               in = src;
-       }
-       strcat(res, in);
-
-       return res;
-}
-
 const char *sym_escape_string_value(const char *in)
 {
        const char *p;