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Commit 5b31a974 authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

kconfig: remove sym_expand_string_value()



There is no more caller of sym_expand_string_value().

Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: default avatarKees Cook <keescook@chromium.org>
parent 96d8e48d
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+0 −1
Original line number Diff line number Diff line
@@ -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);
+0 −53
Original line number Diff line number Diff line
@@ -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;