hush: reduce indentation, no code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 25 insertions, 27 deletions

diff --git a/shell/hush.c b/shell/hush.c
index da10a09a8..92c79b8b6 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -2423,35 +2423,33 @@ static void set_vars_and_save_old(char **strings)
                 char *eq;
 
                 eq = strchr(*s, '=');
-                if (eq) {
-                        var_pp = get_ptr_to_local_var(*s, eq - *s);
-                        if (var_pp) {
-                                var_p = *var_pp;
-                                if (var_p->flg_read_only) {
-                                        char **p;
-                                        bb_error_msg("%s: readonly variable", *s);
-                                        /*
-                                         * "VAR=V BLTIN" unsets VARs after BLTIN completes.
-                                         * If VAR is readonly, leaving it in the list
-                                         * after asssignment error (msg above)
-                                         * causes doubled error message later, on unset.
-                                         */
-                                        debug_printf_env("removing/freeing '%s' element\n", *s);
-                                        free(*s);
-                                        p = s;
-                                        do { *p = p[1]; p++; } while (*p);
-                                        goto next;
-                                }
-                                /* below, set_local_var() with nest level will
-                                 * "shadow" (remove) this variable from
-                                 * global linked list.
-                                 */
-                        }
-                        debug_printf_env("%s: env override '%s'/%u\n", __func__, *s, G.var_nest_level);
-                        set_local_var(*s, (G.var_nest_level << SETFLAG_VARLVL_SHIFT) | SETFLAG_EXPORT);
-                } else if (HUSH_DEBUG) {
+                if (HUSH_DEBUG && !eq)
                         bb_error_msg_and_die("BUG in varexp4");
+                var_pp = get_ptr_to_local_var(*s, eq - *s);
+                if (var_pp) {
+                        var_p = *var_pp;
+                        if (var_p->flg_read_only) {
+                                char **p;
+                                bb_error_msg("%s: readonly variable", *s);
+                                /*
+                                 * "VAR=V BLTIN" unsets VARs after BLTIN completes.
+                                 * If VAR is readonly, leaving it in the list
+                                 * after asssignment error (msg above)
+                                 * causes doubled error message later, on unset.
+                                 */
+                                debug_printf_env("removing/freeing '%s' element\n", *s);
+                                free(*s);
+                                p = s;
+                                do { *p = p[1]; p++; } while (*p);
+                                goto next;
+                        }
+                        /* below, set_local_var() with nest level will
+                         * "shadow" (remove) this variable from
+                         * global linked list.
+                         */
                 }
+                debug_printf_env("%s: env override '%s'/%u\n", __func__, *s, G.var_nest_level);
+                set_local_var(*s, (G.var_nest_level << SETFLAG_VARLVL_SHIFT) | SETFLAG_EXPORT);
                 s++;
  next: ;
         }