kconfig: rename file_write_dep and move it to confdata.c

[carl9170fw.git] / config / util.c

diff --git a/config/util.c b/config/util.c
index c6f6e21b809ffe7a6f60acd2a7f016ee88971d5c..d999683bb2a778ae05841531abad3fc3e323d4a0 100644 (file)
--- a/config/util.c
+++ b/config/util.c
@@ -14,69 +14,21 @@
 struct file *file_lookup(const char *name)
 {
        struct file *file;
-       char *file_name = sym_expand_string_value(name);
 
        for (file = file_list; file; file = file->next) {
                if (!strcmp(name, file->name)) {
-                       free(file_name);
                        return file;
                }
        }
 
        file = xmalloc(sizeof(*file));
        memset(file, 0, sizeof(*file));
-       file->name = file_name;
+       file->name = xstrdup(name);
        file->next = file_list;
        file_list = file;
        return file;
 }
 
-/* write a dependency file as used by kbuild to track dependencies */
-int file_write_dep(const char *name)
-{
-       struct symbol *sym, *env_sym;
-       struct expr *e;
-       struct file *file;
-       FILE *out;
-
-       if (!name)
-               name = ".kconfig.d";
-       out = fopen("..config.tmp", "w");
-       if (!out)
-               return 1;
-       fprintf(out, "deps_config := \\\n");
-       for (file = file_list; file; file = file->next) {
-               if (file->next)
-                       fprintf(out, "\t%s \\\n", file->name);
-               else
-                       fprintf(out, "\t%s\n", file->name);
-       }
-       fprintf(out, "\n%s: \\\n"
-                    "\t$(deps_config)\n\n", conf_get_autoconfig_name());
-
-       expr_list_for_each_sym(sym_env_list, e, sym) {
-               struct property *prop;
-               const char *value;
-
-               prop = sym_get_env_prop(sym);
-               env_sym = prop_get_symbol(prop);
-               if (!env_sym)
-                       continue;
-               value = getenv(env_sym->name);
-               if (!value)
-                       value = "";
-               fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value);
-               fprintf(out, "%s: FORCE\n", conf_get_autoconfig_name());
-               fprintf(out, "endif\n");
-       }
-
-       fprintf(out, "\n$(deps_config): ;\n");
-       fclose(out);
-       rename("..config.tmp", name);
-       return 0;
-}
-
-
 /* Allocate initial growable string */
 struct gstr str_new(void)
 {
@@ -165,3 +117,14 @@ char *xstrdup(const char *s)
        fprintf(stderr, "Out of memory.\n");
        exit(1);
 }
+
+char *xstrndup(const char *s, size_t n)
+{
+       char *p;
+
+       p = strndup(s, n);
+       if (p)
+               return p;
+       fprintf(stderr, "Out of memory.\n");
+       exit(1);
+}