bpo-9566: Fix size_t=>int downcast warnings (#5230)
* Use wider types (int => Py_ssize_t) to avoid integer overflows.
* Fix gc.get_freeze_count(): use Py_ssize_t type rather than int, since gc_list_size() returns a Py_ssize_t.
diff --git a/Python/pathconfig.c b/Python/pathconfig.c
index 7ebd69b..6de5481 100644
--- a/Python/pathconfig.c
+++ b/Python/pathconfig.c
@@ -367,13 +367,12 @@
fseek(env_file, 0, SEEK_SET);
while (!feof(env_file)) {
char * p = fgets(buffer, MAXPATHLEN*2, env_file);
- wchar_t *tmpbuffer;
- int n;
if (p == NULL) {
break;
}
- n = strlen(p);
+
+ size_t n = strlen(p);
if (p[n - 1] != '\n') {
/* line has overflowed - bail */
break;
@@ -382,7 +381,8 @@
/* Comment - skip */
continue;
}
- tmpbuffer = _Py_DecodeUTF8_surrogateescape(buffer, n);
+
+ wchar_t *tmpbuffer = _Py_DecodeUTF8_surrogateescape(buffer, n);
if (tmpbuffer) {
wchar_t * state;
wchar_t * tok = wcstok(tmpbuffer, L" \t\r\n", &state);