Adjust some indents

src/array.c

@@ -140,7 +140,7 @@ ary_modify(mrb_state *mrb, struct RArray *a)
       len = a->len * sizeof(mrb_value);
       ptr = (mrb_value *)mrb_malloc(mrb, len);
       if (p) {
-	array_copy(ptr, p, a->len);
+        array_copy(ptr, p, a->len);
       }
       a->ptr = ptr;
       a->aux.capa = a->len;
@@ -1125,7 +1125,7 @@ mrb_ary_eql(mrb_state *mrb, mrb_value ary1)
 
     for (i=0; i<RARRAY_LEN(ary1); i++) {
       if (!mrb_eql(mrb, ary_elt(ary1, i), ary_elt(ary2, i)))
-	return mrb_false_value();
+        return mrb_false_value();
     }
     return mrb_true_value();
   }

src/class.c

@@ -29,7 +29,7 @@ mrb_gc_mark_mt(mrb_state *mrb, struct RClass *c)
     if (kh_exist(h, k)){
       struct RProc *m = kh_value(h, k);
       if (m) {
-	mrb_gc_mark(mrb, (struct RBasic*)m);
+        mrb_gc_mark(mrb, (struct RBasic*)m);
       }
     }
   }

src/codegen.c

@@ -1979,16 +1979,16 @@ codegen(codegen_scope *s, node *tree, int val)
       }
       n = tree->cdr->cdr;
       if (n->car) {
-	p = (char*)n->car;
-	off = new_lit(s, mrb_str_new(s->mrb, p, strlen(p)));
-	codegen(s, tree->car, VAL);
-	genop(s, MKOP_ABx(OP_STRING, cursp(), off));
-	pop();
-	genop(s, MKOP_AB(OP_STRCAT, cursp(), cursp()+1));
+        p = (char*)n->car;
+        off = new_lit(s, mrb_str_new(s->mrb, p, strlen(p)));
+        codegen(s, tree->car, VAL);
+        genop(s, MKOP_ABx(OP_STRING, cursp(), off));
+        pop();
+        genop(s, MKOP_AB(OP_STRCAT, cursp(), cursp()+1));
       }
       if (n->cdr) {
-	char *p2 = (char*)n->cdr;
-	int off;
+        char *p2 = (char*)n->cdr;
+        int off;
 
         push();
         off = new_lit(s, mrb_str_new(s->mrb, p2, strlen(p2)));

src/error.c

@@ -193,9 +193,9 @@ exc_debug_info(mrb_state *mrb, struct RObject *exc)
       mrb_irep *irep = ci->proc->body.irep;      
 
       if (irep->filename && irep->lines && irep->iseq <= pc && pc < irep->iseq + irep->ilen) {
-	mrb_obj_iv_set(mrb, exc, mrb_intern(mrb, "file"), mrb_str_new_cstr(mrb, irep->filename));
-	mrb_obj_iv_set(mrb, exc, mrb_intern(mrb, "line"), mrb_fixnum_value(irep->lines[pc - irep->iseq - 1]));
-	return;
+        mrb_obj_iv_set(mrb, exc, mrb_intern(mrb, "file"), mrb_str_new_cstr(mrb, irep->filename));
+        mrb_obj_iv_set(mrb, exc, mrb_intern(mrb, "line"), mrb_fixnum_value(irep->lines[pc - irep->iseq - 1]));
+        return;
       }
     }
     pc = ci->pc;
@@ -366,14 +366,14 @@ make_exception(mrb_state *mrb, int argc, mrb_value *argv, int isstr)
       n = 1;
 exception_call:
       {
-	mrb_sym exc = mrb_intern(mrb, "exception");
-	if (mrb_respond_to(mrb, argv[0], exc)) {
-	  mesg = mrb_funcall_argv(mrb, argv[0], exc, n, argv+1);
-	}
-	else {
-	  /* undef */
-	  mrb_raise(mrb, E_TYPE_ERROR, "exception class/object expected");
-	}
+        mrb_sym exc = mrb_intern(mrb, "exception");
+        if (mrb_respond_to(mrb, argv[0], exc)) {
+          mesg = mrb_funcall_argv(mrb, argv[0], exc, n, argv+1);
+        }
+        else {
+          /* undef */
+          mrb_raise(mrb, E_TYPE_ERROR, "exception class/object expected");
+        }
       }
 
       break;

src/gc.c

@@ -301,7 +301,7 @@ mrb_free_heap(mrb_state *mrb)
     page = page->next;
     for (p = tmp->objects, e=p+MRB_HEAP_PAGE_SIZE; p<e; p++) {
       if (p->as.free.tt != MRB_TT_FREE)
-	obj_free(mrb, &p->as.basic);
+        obj_free(mrb, &p->as.basic);
     }
     mrb_free(mrb, tmp);
   }
@@ -586,7 +586,7 @@ root_scan_phase(mrb_state *mrb)
       mrb_irep *irep = mrb->irep[i];
       if (!irep) continue;
       for (j=0; j<irep->plen; j++) {
-	mrb_gc_mark_value(mrb, irep->pool[j]);
+        mrb_gc_mark_value(mrb, irep->pool[j]);
       }
     }
   }

src/hash.c

@@ -559,7 +559,7 @@ mrb_hash_shift(mrb_state *mrb, mrb_value hash)
         delVal = mrb_hash_delete_key(mrb, hash, delKey);
         mrb_gc_protect(mrb, delVal);
 
-	return mrb_assoc_new(mrb, delKey, delVal);
+        return mrb_assoc_new(mrb, delKey, delVal);
       }
     }
   }
@@ -1119,9 +1119,9 @@ hash_equal(mrb_state *mrb, mrb_value hash1, mrb_value hash2, int eql)
       key = kh_key(h1,k1);
       k2 = kh_get(ht, h2, key);
       if (k2 != kh_end(h2)) {
-	if (mrb_equal(mrb, kh_value(h1,k1), kh_value(h2,k2))) {
-	  continue; /* next key */
-	}
+        if (mrb_equal(mrb, kh_value(h1,k1), kh_value(h2,k2))) {
+          continue; /* next key */
+        }
       }
       return mrb_false_value();
     }

src/kernel.c

@@ -305,7 +305,7 @@ init_copy(mrb_state *mrb, mrb_value dest, mrb_value obj)
       case MRB_TT_SCLASS:
       case MRB_TT_HASH:
       case MRB_TT_DATA:
-	mrb_iv_copy(mrb, dest, obj);
+        mrb_iv_copy(mrb, dest, obj);
         break;
 
       default: