Issue #28648: Fixed crash in Py_DecodeLocale() in debug build on Mac OS X

when decode astral characters.

1 files changed, 11 insertions, 11 deletions

diff --git a/Python/dynload_shlib.c b/Python/dynload_shlib.c
index 5cd1efdf76..7f8f134d60 100644
--- a/Python/dynload_shlib.c
+++ b/Python/dynload_shlib.c
@@ -51,8 +51,10 @@ static struct {
 static int nhandles = 0;
 
 
-dl_funcptr _PyImport_GetDynLoadFunc(const char *shortname,
-                                    const char *pathname, FILE *fp)
+dl_funcptr
+_PyImport_FindSharedFuncptr(const char *prefix,
+                            const char *shortname,
+                            const char *pathname, FILE *fp)
 {
     dl_funcptr p;
     void *handle;
@@ -67,26 +69,24 @@ dl_funcptr _PyImport_GetDynLoadFunc(const char *shortname,
     }
 
     PyOS_snprintf(funcname, sizeof(funcname),
-                  LEAD_UNDERSCORE "PyInit_%.200s", shortname);
+                  LEAD_UNDERSCORE "%.20s_%.200s", prefix, shortname);
 
     if (fp != NULL) {
         int i;
-        struct stat statb;
-        if (fstat(fileno(fp), &statb) == -1) {
-            PyErr_SetFromErrno(PyExc_IOError);
+        struct _Py_stat_struct status;
+        if (_Py_fstat(fileno(fp), &status) == -1)
             return NULL;
-        }
         for (i = 0; i < nhandles; i++) {
-            if (statb.st_dev == handles[i].dev &&
-                statb.st_ino == handles[i].ino) {
+            if (status.st_dev == handles[i].dev &&
+                status.st_ino == handles[i].ino) {
                 p = (dl_funcptr) dlsym(handles[i].handle,
                                        funcname);
                 return p;
             }
         }
         if (nhandles < 128) {
-            handles[nhandles].dev = statb.st_dev;
-            handles[nhandles].ino = statb.st_ino;
+            handles[nhandles].dev = status.st_dev;
+            handles[nhandles].ino = status.st_ino;
         }
     }