bpo-20443: Fix calculate_program_full_path() warning (GH-14446)

vstinner · web-flow · commit 3029035ef34c · 2019-06-28T16:49:38.000+02:00
Don't call _Py_isabs() with a bytes string (char*), the function
expects as wide string.
diff --git a/Modules/getpath.c b/Modules/getpath.c
@@ -761,7 +761,7 @@ calculate_program_full_path(const PyConfig *config,
       * absolutize() should help us out below
       */
     else if(0 == _NSGetExecutablePath(execpath, &nsexeclength) &&
-            _Py_isabs(execpath))
+            (wchar_t)execpath[0] == SEP)
     {
         size_t len;
         wchar_t *path = Py_DecodeLocale(execpath, &len);

Original file line number	Diff line number	Diff line change
`@@ -761,7 +761,7 @@ calculate_program_full_path(const PyConfig *config,`
`761`	`761`	`* absolutize() should help us out below`
`762`	`762`	`*/`
`763`	`763`	`else if(0 == _NSGetExecutablePath(execpath, &nsexeclength) &&`
`764`		`- _Py_isabs(execpath))`
	`764`	`+ (wchar_t)execpath[0] == SEP)`
`765`	`765`	`{`
`766`	`766`	`size_t len;`
`767`	`767`	`wchar_t *path = Py_DecodeLocale(execpath, &len);`