1 files changed, 20 insertions, 15 deletions

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 0dea83e..ab22289 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -3469,7 +3469,8 @@ PyUnicode_DecodeLocaleAndSize(const char *str, Py_ssize_t len,
     int surrogateescape;
     size_t error_pos;
     char *errmsg;
-    PyObject *reason, *exc;
+    PyObject *reason = NULL;   /* initialize to prevent gcc warning */
+    PyObject *exc;
 
     if (locale_error_handler(errors, &surrogateescape) < 0)
         return NULL;
@@ -9454,7 +9455,7 @@ handle_capital_sigma(int kind, void *data, Py_ssize_t length, Py_ssize_t i)
 {
     Py_ssize_t j;
     int final_sigma;
-    Py_UCS4 c;
+    Py_UCS4 c = 0;   /* initialize to prevent gcc warning */
     /* U+03A3 is in the Final_Sigma context when, it is found like this:
 
      \p{cased}\p{case-ignorable}*U+03A3!(\p{case-ignorable}*\p{cased})
@@ -11124,7 +11125,7 @@ interpreted as in slice notation.");
 static PyObject *
 unicode_count(PyObject *self, PyObject *args)
 {
-    PyObject *substring;
+    PyObject *substring = NULL;   /* initialize to fix a compiler warning */
     Py_ssize_t start = 0;
     Py_ssize_t end = PY_SSIZE_T_MAX;
     PyObject *result;
@@ -11312,9 +11313,10 @@ Return -1 on failure.");
 static PyObject *
 unicode_find(PyObject *self, PyObject *args)
 {
-    PyObject *substring;
-    Py_ssize_t start;
-    Py_ssize_t end;
+    /* initialize variables to prevent gcc warning */
+    PyObject *substring = NULL;
+    Py_ssize_t start = 0;
+    Py_ssize_t end = 0;
     Py_ssize_t result;
 
     if (!stringlib_parse_args_finds_unicode("find", args, &substring,
@@ -11399,10 +11401,11 @@ Like S.find() but raise ValueError when the substring is not found.");
 static PyObject *
 unicode_index(PyObject *self, PyObject *args)
 {
+    /* initialize variables to prevent gcc warning */
     Py_ssize_t result;
-    PyObject *substring;
-    Py_ssize_t start;
-    Py_ssize_t end;
+    PyObject *substring = NULL;
+    Py_ssize_t start = 0;
+    Py_ssize_t end = 0;
 
     if (!stringlib_parse_args_finds_unicode("index", args, &substring,
                                             &start, &end))
@@ -12477,9 +12480,10 @@ Return -1 on failure.");
 static PyObject *
 unicode_rfind(PyObject *self, PyObject *args)
 {
-    PyObject *substring;
-    Py_ssize_t start;
-    Py_ssize_t end;
+    /* initialize variables to prevent gcc warning */
+    PyObject *substring = NULL;
+    Py_ssize_t start = 0;
+    Py_ssize_t end = 0;
     Py_ssize_t result;
 
     if (!stringlib_parse_args_finds_unicode("rfind", args, &substring,
@@ -12513,9 +12517,10 @@ Like S.rfind() but raise ValueError when the substring is not found.");
 static PyObject *
 unicode_rindex(PyObject *self, PyObject *args)
 {
-    PyObject *substring;
-    Py_ssize_t start;
-    Py_ssize_t end;
+    /* initialize variables to prevent gcc warning */
+    PyObject *substring = NULL;
+    Py_ssize_t start = 0;
+    Py_ssize_t end = 0;
     Py_ssize_t result;
 
     if (!stringlib_parse_args_finds_unicode("rindex", args, &substring,