Compilation warning fixes.

[runtime.git] / lib / silcutil / silcutil.c

diff --git a/lib/silcutil/silcutil.c b/lib/silcutil/silcutil.c
index ebec35a77cc2c840d5f84c728691d6fd97f36e1a..c412262452e550c2673c0f49950825bf7f497f7a 100644 (file)
--- a/lib/silcutil/silcutil.c
+++ b/lib/silcutil/silcutil.c
@@ -88,7 +88,7 @@ SilcBool silc_to_upper(const char *string, char *dest, SilcUInt32 dest_size)
     return FALSE;
 
   for (i = 0; i < strlen(string); i++)
-    dest[i] = toupper(string[i]);
+    dest[i] = (char)toupper((int)string[i]);
 
   return TRUE;
 }
@@ -103,7 +103,7 @@ SilcBool silc_to_lower(const char *string, char *dest, SilcUInt32 dest_size)
     return FALSE;
 
   for (i = 0; i < strlen(string); i++)
-    dest[i] = tolower(string[i]);
+    dest[i] = (char)tolower((int)string[i]);
 
   return TRUE;
 }
@@ -253,7 +253,7 @@ SilcUInt32 silc_hash_string(void *key, void *user_context)
   SilcUInt32 h = 0, g;
 
   while (*s != '\0') {
-    h = (h << 4) + tolower(*s);
+    h = (h << 4) + tolower((int)*s);
     if ((g = h & 0xf0000000)) {
       h = h ^ (g >> 24);
       h = h ^ g;