core: remove some compilation warnings under Cygwin

4 files changed, 6 insertions, 6 deletions

diff --git a/src/gui/gui-buffer.c b/src/gui/gui-buffer.c
index 0a34f5446..5738e0594 100644
--- a/src/gui/gui-buffer.c
+++ b/src/gui/gui-buffer.c
@@ -627,7 +627,7 @@ gui_buffer_string_replace_local_var (struct t_gui_buffer *buffer,
                 pos_end_name = string + index_string + 1;
                 while (pos_end_name[0])
                 {
-                    if (isalnum (pos_end_name[0])
+                    if (isalnum ((unsigned char)pos_end_name[0])
                         && (pos_end_name[0] != '_')
                         && (pos_end_name[0] != '$'))
                         pos_end_name++;
diff --git a/src/gui/gui-chat.c b/src/gui/gui-chat.c
index 3f7b2c123..973aee7df 100644
--- a/src/gui/gui-chat.c
+++ b/src/gui/gui-chat.c
@@ -355,7 +355,7 @@ gui_chat_get_time_string (time_t date)
     i = 0;
     while (text_time[i])
     {
-        if (isdigit (text_time[i]))
+        if (isdigit ((unsigned char)text_time[i]))
         {
             if (time_first_digit == -1)
                 time_first_digit = i;
@@ -393,7 +393,7 @@ gui_chat_get_time_string (time_t date)
             }
             else
             {
-                if (isdigit (text_time[i]))
+                if (isdigit ((unsigned char)text_time[i]))
                 {
                     if (last_color != GUI_COLOR_CHAT_TIME)
                     {
diff --git a/src/gui/gui-nicklist.c b/src/gui/gui-nicklist.c
index ce3c332aa..a9a1eff2f 100644
--- a/src/gui/gui-nicklist.c
+++ b/src/gui/gui-nicklist.c
@@ -615,7 +615,7 @@ gui_nicklist_get_group_start (const char *name)
     const char *ptr_name;
     
     ptr_name = name;
-    while (isdigit (ptr_name[0]))
+    while (isdigit ((unsigned char)ptr_name[0]))
     {
         if (ptr_name[0] == '|')
             break;
diff --git a/src/gui/gui-window.c b/src/gui/gui-window.c
index f16597d34..5d0c0eb14 100644
--- a/src/gui/gui-window.c
+++ b/src/gui/gui-window.c
@@ -1048,7 +1048,7 @@ gui_window_scroll (struct t_gui_window *window, char *scroll)
         
         /* search number and letter */
         pos = scroll;
-        while (pos && pos[0] && isdigit (pos[0]))
+        while (pos && pos[0] && isdigit ((unsigned char)pos[0]))
         {
             pos++;
         }
@@ -1275,7 +1275,7 @@ gui_window_scroll_horiz (struct t_gui_window *window, char *scroll)
         
         /* search number and percentage */
         pos = scroll;
-        while (pos && pos[0] && isdigit (pos[0]))
+        while (pos && pos[0] && isdigit ((unsigned char)pos[0]))
         {
             pos++;
         }