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Fix a memory leak caused by PyTokenizer_FindEncoding() returning a char * that 

was PyMem_MALLOC'ed.
This commit is contained in:
Brett Cannon 2007-10-20 03:43:15 +00:00
parent d5ec98c7fb
commit 3bb42d9341
1 changed files with 8 additions and 3 deletions
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11
Python/import.c
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@ -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;
}