From 3bb42d9341964fdf094c89c9a64965bd18588476 Mon Sep 17 00:00:00 2001 From: Brett Cannon Date: Sat, 20 Oct 2007 03:43:15 +0000 Subject: Fix a memory leak caused by PyTokenizer_FindEncoding() returning a char * that was PyMem_MALLOC'ed. --- Python/import.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) 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 @@ call_find_module(char *name, PyObject *path) struct filedescr *fdp; char pathname[MAXPATHLEN+1]; FILE *fp = NULL; + char *found_encoding = NULL; char *encoding = NULL; pathname[0] = '\0'; @@ -2571,15 +2572,17 @@ call_find_module(char *name, PyObject *path) 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 @@ call_find_module(char *name, PyObject *path) ret = Py_BuildValue("Os(ssi)", fob, pathname, fdp->suffix, fdp->mode, fdp->type); Py_DECREF(fob); + PyMem_FREE(found_encoding); + return ret; } -- cgit v0.12