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Diffstat (limited to 'src/emu/uimenu.c')
-rw-r--r--src/emu/uimenu.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/emu/uimenu.c b/src/emu/uimenu.c
index 2e54be3741d..772177856e6 100644
--- a/src/emu/uimenu.c
+++ b/src/emu/uimenu.c
@@ -3244,9 +3244,9 @@ static void menu_crosshair_populate(running_machine *machine, ui_menu *menu)
/* look for files ending in .png with a name not larger then 9 chars*/
if ((length > 4) && (length <= CROSSHAIR_PIC_NAME_LENGTH + 4) &&
dir->name[length - 4] == '.' &&
- tolower(dir->name[length - 3]) == 'p' &&
- tolower(dir->name[length - 2]) == 'n' &&
- tolower(dir->name[length - 1]) == 'g')
+ tolower((UINT8)dir->name[length - 3]) == 'p' &&
+ tolower((UINT8)dir->name[length - 2]) == 'n' &&
+ tolower((UINT8)dir->name[length - 1]) == 'g')
{
/* remove .png from length */
@@ -3557,7 +3557,7 @@ static void menu_select_game_build_driver_list(ui_menu *menu, select_game_state
/* build a name for it */
for (src = dir->name; *src != 0 && *src != '.' && dst < &drivername[ARRAY_LENGTH(drivername) - 1]; src++)
- *dst++ = tolower(*src);
+ *dst++ = tolower((UINT8)*src);
*dst = 0;
/* find it in the array */