Fix a memory leak caused by PyTokenizer_FindEncoding() returning a char * that
was PyMem_MALLOC'ed.
diff --git a/Python/import.c b/Python/import.c
index 323b55a..2a316ca 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -2561,6 +2561,7 @@
struct filedescr *fdp;
char pathname[MAXPATHLEN+1];
FILE *fp = NULL;
+ char *found_encoding = NULL;
char *encoding = NULL;
pathname[0] = '\0';
@@ -2571,15 +2572,17 @@
return NULL;
if (fp != NULL) {
if (strchr(fdp->mode, 'b') == NULL) {
- /* Python text file, get encoding from tokenizer */
- encoding = PyTokenizer_FindEncoding(fp);
- encoding = (encoding != NULL) ? encoding :
+ /* PyTokenizer_FindEncoding() returns PyMem_MALLOC'ed
+ memory. */
+ found_encoding = PyTokenizer_FindEncoding(fp);
+ encoding = (found_encoding != NULL) ? found_encoding :
(char*)PyUnicode_GetDefaultEncoding();
}
fob = PyFile_FromFileEx(fp, pathname, fdp->mode, fclose, -1,
(char*)encoding, NULL);
if (fob == NULL) {
fclose(fp);
+ PyMem_FREE(found_encoding);
return NULL;
}
}
@@ -2590,6 +2593,8 @@
ret = Py_BuildValue("Os(ssi)",
fob, pathname, fdp->suffix, fdp->mode, fdp->type);
Py_DECREF(fob);
+ PyMem_FREE(found_encoding);
+
return ret;
}