From ed9a65c4f609afcabf0a2d7254453592ba0cf243 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 23 Jul 2008 09:27:49 +0000
Subject: * ext/tk/{stubs,tcltklib}.c, ext/tk/tkutil/tkutil.c: fix warnings  
 about constness and signedness.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18188 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/tk/tkutil/tkutil.c | 42 +++++++++++++++++++++++-------------------
 1 file changed, 23 insertions(+), 19 deletions(-)

(limited to 'ext/tk/tkutil')

diff --git a/ext/tk/tkutil/tkutil.c b/ext/tk/tkutil/tkutil.c
index 6f35e195df..8155bff5ce 100644
--- a/ext/tk/tkutil/tkutil.c
+++ b/ext/tk/tkutil/tkutil.c
@@ -205,6 +205,7 @@ fromDefaultEnc_toUTF8(str, self)
     return tk_toUTF8(1, argv, self);
 }
 
+#if 0
 static VALUE
 fromUTF8_toDefaultEnc(str, self)
     VALUE str;
@@ -215,6 +216,7 @@ fromUTF8_toDefaultEnc(str, self)
     argv[0] = str;
     return tk_fromUTF8(1, argv, self);
 }
+#endif
 
 static int
 to_strkey(key, value, hash)
@@ -968,12 +970,14 @@ tcl2rb_bool(self, value)
     }
 }
 
+#if 0
 static VALUE
 tkstr_to_dec(value)
     VALUE value;
 {
     return rb_cstr_to_inum(RSTRING_PTR(value), 10, 1);
 }
+#endif
 
 static VALUE
 tkstr_to_int(value)
@@ -1077,8 +1081,8 @@ tcl2rb_num_or_str(self, value)
 struct cbsubst_info {
     int   full_subst_length;
     int   keylen[CBSUBST_TBL_MAX];
-    unsigned char  *key[CBSUBST_TBL_MAX];
-    unsigned char  type[CBSUBST_TBL_MAX];
+    char  *key[CBSUBST_TBL_MAX];
+    char  type[CBSUBST_TBL_MAX];
     ID    ivar[CBSUBST_TBL_MAX];
     VALUE proc;
     VALUE aliases;
@@ -1100,9 +1104,9 @@ subst_free(ptr)
 
     if (ptr) {
       for(i = 0; i < CBSUBST_TBL_MAX; i++) {
-	if (ptr->key[i] != (unsigned char *)NULL) {
+	if (ptr->key[i] != NULL) {
 	  free(ptr->key[i]);
-	  ptr->key[i] = (unsigned char *)NULL;
+	  ptr->key[i] = NULL;
 	}
       }
       free(ptr);
@@ -1122,7 +1126,7 @@ allocate_cbsubst_info()
 
   for(idx = 0; idx < CBSUBST_TBL_MAX; idx++) {
     inf->keylen[idx] = 0;
-    inf->key[idx]    = (unsigned char *) NULL;
+    inf->key[idx]    = NULL;
     inf->type[idx]   = '\0';
     inf->ivar[idx]   = (ID) 0;
   }
@@ -1240,7 +1244,7 @@ cbsubst_sym_to_subst(self, sym)
 {
     struct cbsubst_info *inf;
     const char *str;
-    unsigned char *buf, *ptr;
+    char *buf, *ptr;
     int idx, len;
     ID id;
     volatile VALUE ret;
@@ -1273,7 +1277,7 @@ cbsubst_sym_to_subst(self, sym)
       ptr += len;
     } else {
       /* single char */
-      *(ptr++) = idx;
+      *(ptr++) = (unsigned char)idx;
     }
 
     *(ptr++) = ' ';
@@ -1294,7 +1298,7 @@ cbsubst_get_subst_arg(argc, argv, self)
 {
     struct cbsubst_info *inf;
     const char *str;
-    unsigned char *buf, *ptr;
+    char *buf, *ptr;
     int i, idx, len;
     ID id;
     volatile VALUE arg_sym, ret;
@@ -1339,7 +1343,7 @@ cbsubst_get_subst_arg(argc, argv, self)
 	  ptr += len;
 	} else {
 	  /* single char */
-	  *(ptr++) = idx;
+	  *(ptr++) = (unsigned char)idx;
 	}
 
 	*(ptr++) = ' ';
@@ -1364,7 +1368,7 @@ cbsubst_get_subst_key(self, str)
     volatile VALUE ret;
     VALUE keyval;
     int i, len, keylen, idx;
-    unsigned char *buf, *ptr, *key;
+    char *buf, *ptr, *key;
 
     list = rb_funcall(cTclTkLib, ID_split_tklist, 1, str);
     len = RARRAY_LEN(list);
@@ -1372,11 +1376,11 @@ cbsubst_get_subst_key(self, str)
     Data_Get_Struct(rb_const_get(self, ID_SUBST_INFO), 
                     struct cbsubst_info, inf);
 
-    ptr = buf = ALLOC_N(unsigned char, inf->full_subst_length + len + 1);
+    ptr = buf = ALLOC_N(char, inf->full_subst_length + len + 1);
 
     for(i = 0; i < len; i++) {
       keyval = RARRAY_PTR(list)[i];
-      key = (unsigned char*)RSTRING_PTR(keyval);
+      key = RSTRING_PTR(keyval);
       if (*key == '%') {
 	if (*(key + 2) == '\0') {
 	  /* single char */
@@ -1386,7 +1390,7 @@ cbsubst_get_subst_key(self, str)
 	  keylen = RSTRING_LEN(keyval) - 1;
 	  for(idx = 0; idx < CBSUBST_TBL_MAX; idx++) {
 	    if (inf->keylen[idx] != keylen) continue;
-	    if (inf->key[idx][0] != *(key + 1)) continue;
+	    if ((unsigned char)inf->key[idx][0] != (unsigned char)*(key + 1)) continue;
 	    if (strncmp(inf->key[idx], key + 1, keylen)) continue;
 	    break;
 	  }
@@ -1402,7 +1406,7 @@ cbsubst_get_subst_key(self, str)
     }
     *ptr = '\0';
 
-    ret = rb_str_new2((const char*)buf);
+    ret = rb_str_new2(buf);
     free(buf);
     return ret;
 }
@@ -1412,16 +1416,16 @@ cbsubst_get_all_subst_keys(self)
     VALUE self;
 {
     struct cbsubst_info *inf;
-    unsigned char *buf, *ptr;
-    unsigned char *keys_buf, *keys_ptr;
+    char *buf, *ptr;
+    char *keys_buf, *keys_ptr;
     int idx, len;
     volatile VALUE ret;
 
     Data_Get_Struct(rb_const_get(self, ID_SUBST_INFO), 
                     struct cbsubst_info, inf);
 
-    ptr = buf = ALLOC_N(unsigned char, inf->full_subst_length + 1);
-    keys_ptr = keys_buf = ALLOC_N(unsigned char, CBSUBST_TBL_MAX + 1);
+    ptr = buf = ALLOC_N(char, inf->full_subst_length + 1);
+    keys_ptr = keys_buf = ALLOC_N(char, CBSUBST_TBL_MAX + 1);
 
     for(idx = 0; idx < CBSUBST_TBL_MAX; idx++) {
       if (inf->ivar[idx] == (ID) 0) continue;
@@ -1445,7 +1449,7 @@ cbsubst_get_all_subst_keys(self)
     *ptr = '\0';
     *keys_ptr = '\0';
 
-    ret = rb_ary_new3(2, rb_str_new2(keys_buf), rb_str_new2((const char*)buf));
+    ret = rb_ary_new3(2, rb_str_new2(keys_buf), rb_str_new2(buf));
 
     free(buf);
     free(keys_buf);
-- 
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