sysctl: remove trivial comments. no code changes

diff --git a/procps/sysctl.c b/procps/sysctl.c
index c095d16d066e6cd017335660211b1fbd19caca06..90e47ea9ab7816e1b10679f4e0f7bd634479adf0 100644 (file)
--- a/procps/sysctl.c
+++ b/procps/sysctl.c
@@ -70,41 +70,32 @@ int sysctl_main(int argc UNUSED_PARAM, char **argv)
        return retval;
 } /* end sysctl_main() */
 
-/*
- * preload the sysctl's from a conf file
- * - we parse the file and then reform it (strip out whitespace)
+/* Set sysctl's from a conf file. Format example:
+ * # Controls IP packet forwarding
+ * net.ipv4.ip_forward = 0
  */
-
 static int sysctl_preload_file_and_exit(const char *filename)
 {
        char *token[2];
        parser_t *parser;
 
        parser = config_open(filename);
-       while (config_read(parser, token, 2, 2, "# \t=", PARSE_NORMAL)) { // TODO: ';' is comment char too
-//             if (!token[1]) {
-//                     bb_error_msg("warning: %s(%d): invalid syntax, continuing",
-//                                     filename, parser->lineno);
-//             } else {
-               {
+// TODO: ';' is comment char too
+       while (config_read(parser, token, 2, 2, "# \t=", PARSE_NORMAL)) {
 #if 0
-                       char *s = xasprintf("%s=%s", token[0], token[1]);
-                       sysctl_write_setting(s);
-                       free(s);
-#else // PLAY_WITH_FIRE for -4 bytes?
-                       sprintf(parser->line, "%s=%s", token[0], token[1]); // must have room by definition
-                       sysctl_write_setting(parser->line);
+               char *s = xasprintf("%s=%s", token[0], token[1]);
+               sysctl_write_setting(s);
+               free(s);
+#else /* Save ~4 bytes by using parser internals */
+               sprintf(parser->line, "%s=%s", token[0], token[1]); // must have room by definition
+               sysctl_write_setting(parser->line);
 #endif
-               }
        }
        if (ENABLE_FEATURE_CLEAN_UP)
                config_close(parser);
        return 0;
 } /* end sysctl_preload_file_and_exit() */
 
-/*
- *     Write a single sysctl setting
- */
 static int sysctl_write_setting(const char *setting)
 {
        int retval;
@@ -162,9 +153,6 @@ static int sysctl_write_setting(const char *setting)
        return retval;
 } /* end sysctl_write_setting() */
 
-/*
- *     Read a sysctl setting
- */
 static int sysctl_read_setting(const char *name)
 {
        int retval;
@@ -214,12 +202,9 @@ static int sysctl_read_setting(const char *name)
        return retval;
 } /* end sysctl_read_setting() */
 
-/*
- *     Display all the sysctl settings
- */
 static int sysctl_display_all(const char *path)
 {
-       int retval = 0;
+       int retval = EXIT_SUCCESS;
        DIR *dp;
        struct dirent *de;
        char *tmpdir;