Mercurial > cpython-lru_cache-weakref

diff Python/ast.c @ 35895:fe4c627b2096 legacy-trunk

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Fix a few more memory leaks Document more info about the benefits of configuring without pymalloc when running valgrind
author Neal Norwitz <nnorwitz@gmail.com>
date Sun, 20 Nov 2005 23:58:38 +0000
parents 1f9d4ac35010
children c89707daa011
line wrap: on
line diff
--- a/Python/ast.c	Sun Nov 20 00:24:18 2005 +0000
+++ b/Python/ast.c	Sun Nov 20 23:58:38 2005 +0000
@@ -1054,8 +1054,12 @@
             return NULL;
         }
 
-	if (asdl_seq_LEN(t) == 1)
+	if (asdl_seq_LEN(t) == 1) {
 	    lc = comprehension(asdl_seq_GET(t, 0), expression, NULL);
+	    /* only free the sequence since we grabbed element 0 above */
+	    if (lc)
+	        asdl_seq_free(t); /* ok */
+	}
 	else
 	    lc = comprehension(Tuple(t, Store, LINENO(ch)), expression, NULL);
 
@@ -1222,9 +1226,13 @@
             return NULL;
         }
         
-        if (asdl_seq_LEN(t) == 1)
+        if (asdl_seq_LEN(t) == 1) {
             ge = comprehension(asdl_seq_GET(t, 0), expression,
                                NULL);
+	    /* only free the sequence since we grabbed element 0 above */
+	    if (ge)
+	        asdl_seq_free(t); /* ok */
+	}
         else
             ge = comprehension(Tuple(t, Store, LINENO(ch)),
                                expression, NULL);