1. add variables

python · ghost · Mar 31, 2022 · Mar 31, 2022 · Mar 31, 2022 · Mar 31, 2022
commit d43cefe2c17e962a6d66f2c165935eaa6d8c1012
diff --git a/Lib/sre_constants.py b/Lib/sre_constants.py
@@ -13,7 +13,7 @@
 
 # update when constants are added or removed
 
-MAGIC = 20220318
+MAGIC = 20220331
 
 from _sre import MAXREPEAT, MAXGROUPS
 

diff --git a/Misc/NEWS.d/next/Library/2022-03-31-21-08-41.bpo-23689.TFSc3E.rst b/Misc/NEWS.d/next/Library/2022-03-31-21-08-41.bpo-23689.TFSc3E.rst
@@ -0,0 +1,2 @@
+:mod:`re` module: fix memory leak when a match is terminated by a signal or
+memory allocation failure. Patch by Ma Lin.
diff --git a/Modules/sre.h b/Modules/sre.h
@@ -29,6 +29,8 @@ typedef struct {
     Py_ssize_t groups; /* must be first! */
     PyObject* groupindex; /* dict */
     PyObject* indexgroup; /* tuple */
+    /* the number of REPEATs */
+    Py_ssize_t repeat_count;
     /* compatibility */
     PyObject* pattern; /* pattern source (or None) */
     int flags; /* flags used when compiling pattern source */
@@ -83,6 +85,8 @@ typedef struct {
     size_t data_stack_base;
     /* current repeat context */
     SRE_REPEAT *repeat;
+    /* repeat contexts array */
+    SRE_REPEAT *repeats_array;
 } SRE_STATE;
 
 typedef struct {

diff --git a/Modules/sre_constants.h b/Modules/sre_constants.h
@@ -11,7 +11,7 @@
  * See the _sre.c file for information on usage and redistribution.
  */
 
-#define SRE_MAGIC 20220318
+#define SRE_MAGIC 20220331
 #define SRE_OP_FAILURE 0
 #define SRE_OP_SUCCESS 1
 #define SRE_OP_ANY 2
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		:mod:`re` module: fix memory leak when a match is terminated by a signal or
		memory allocation failure. Patch by Ma Lin.