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Add missing checks for failures in calls to PyUnicode_AsUTF8String.

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Previously a seg fault could occur when passing invalid UTF8 strings (low
surrogates), eg passing u"\udcff" to the C layer (Python 3).
This commit is contained in:
William S Fulton 2017-12-04 18:41:55 +00:00
commit b0e29fbdf3
12 changed files with 92 additions and 25 deletions
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4
Lib/python/pyinit.swg
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@ -84,10 +84,10 @@ swig_varlink_str(swig_varlinkobject *v) {
SWIGINTERN int
swig_varlink_print(swig_varlinkobject *v, FILE *fp, int SWIGUNUSEDPARM(flags)) {
char *tmp;
PyObject *str = swig_varlink_str(v);
const char *tmp = SWIG_Python_str_AsChar(str);
fprintf(fp,"Swig global variables ");
fprintf(fp,"%s\n", tmp = SWIG_Python_str_AsChar(str));
fprintf(fp,"%s\n", tmp ? tmp : "Invalid global variable");
SWIG_Python_str_DelForPy3(tmp);
Py_DECREF(str);
return 0;