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kconfig: remove sym_expand_string_value()

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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>
This commit is contained in:
Masahiro Yamada 2018-05-28 18:21:43 +09:00
parent 96d8e48da5
commit 5b31a97467
2 changed files with 0 additions and 54 deletions
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1
scripts/kconfig/lkc_proto.h
View file

@ -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);

53
scripts/kconfig/symbol.c
View file

@ -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;