Use Py_ssize_t for return value variable in unicodeobject.c

Author: lysnikolaou

Objects/unicodeobject.c

@@ -9994,9 +9994,9 @@ handle_capital_sigma(int kind, const void *data, Py_ssize_t length, Py_ssize_t i
     return (final_sigma) ? 0x3C2 : 0x3C3;
 }
 
-static int
+static Py_ssize_t
 lower_ucs4(int kind, const void *data, Py_ssize_t length, Py_ssize_t i,
-           Py_UCS4 c, Py_UCS4 *mapped, int mapped_size)
+           Py_UCS4 c, Py_UCS4 *mapped, Py_ssize_t mapped_size)
 {
     /* Obscure special case. */
     if (c == 0x3A3) {
@@ -10009,8 +10009,7 @@ lower_ucs4(int kind, const void *data, Py_ssize_t length, Py_ssize_t i,
 static Py_ssize_t
 do_capitalize(int kind, const void *data, Py_ssize_t length, Py_UCS4 *res, Py_UCS4 *maxchar)
 {
-    Py_ssize_t i, k = 0;
-    int n_res, j;
+    Py_ssize_t i, k = 0, n_res, j;
     Py_UCS4 c, mapped[3];
 
     c = PyUnicode_READ(kind, data, 0);
@@ -10038,7 +10037,7 @@ do_swapcase(int kind, const void *data, Py_ssize_t length, Py_UCS4 *res, Py_UCS4
 
     for (i = 0; i < length; i++) {
         Py_UCS4 c = PyUnicode_READ(kind, data, i), mapped[3];
-        int n_res, j;
+        Py_ssize_t n_res, j;
         if (Py_UNICODE_ISUPPER(c)) {
             n_res = lower_ucs4(kind, data, length, i, c, mapped, Py_ARRAY_LENGTH(mapped));
         }
@@ -10066,7 +10065,7 @@ do_upper_or_lower(int kind, const void *data, Py_ssize_t length, Py_UCS4 *res,
 
     for (i = 0; i < length; i++) {
         Py_UCS4 c = PyUnicode_READ(kind, data, i), mapped[3];
-        int n_res, j;
+        Py_ssize_t n_res, j;
         if (lower)
             n_res = lower_ucs4(kind, data, length, i, c, mapped, Py_ARRAY_LENGTH(mapped));
         else
@@ -10100,7 +10099,7 @@ do_casefold(int kind, const void *data, Py_ssize_t length, Py_UCS4 *res, Py_UCS4
     for (i = 0; i < length; i++) {
         Py_UCS4 c = PyUnicode_READ(kind, data, i);
         Py_UCS4 mapped[3];
-        int j, n_res = PyUnicode_ToFolded(c, mapped, Py_ARRAY_LENGTH(mapped));
+        Py_ssize_t j, n_res = PyUnicode_ToFolded(c, mapped, Py_ARRAY_LENGTH(mapped));
         assert(n_res >= 1);
         for (j = 0; j < n_res; j++) {
             *maxchar = Py_MAX(*maxchar, mapped[j]);
@@ -10120,7 +10119,7 @@ do_title(int kind, const void *data, Py_ssize_t length, Py_UCS4 *res, Py_UCS4 *m
     for (i = 0; i < length; i++) {
         const Py_UCS4 c = PyUnicode_READ(kind, data, i);
         Py_UCS4 mapped[3];
-        int n_res, j;
+        Py_ssize_t n_res, j;
 
         if (previous_is_cased)
             n_res = lower_ucs4(kind, data, length, i, c, mapped, Py_ARRAY_LENGTH(mapped));