X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=link%2Fz80%2Flkgb.c;h=63af393f45d99c22ebb3929340ec577074dbc286;hb=195ee3f3ee25ce2c5f2a59fbd2779c4cb80527c3;hp=9fdeb4e6f6838c271912d1f4efd536560ca5d768;hpb=67012d40979fd3584f926cfd9c200ffa4a16d338;p=fw%2Fsdcc

diff --git a/link/z80/lkgb.c b/link/z80/lkgb.c
index 9fdeb4e6..63af393f 100644
--- a/link/z80/lkgb.c
+++ b/link/z80/lkgb.c
@@ -95,11 +95,11 @@ VOID gb(int in)
     /* EOF */
     if(cart_name[0] == 0 && linkp->f_idp != NULL) {
       for(i = strlen(linkp->f_idp);
-	  i > 0 && (isalnum(linkp->f_idp[i-1]) || linkp->f_idp[i-1] == '.');
+	  i > 0 && (isalnum((unsigned char)linkp->f_idp[i-1]) || linkp->f_idp[i-1] == '.');
 	  i--)
 	;
       for(pos = 0; pos < 16 && linkp->f_idp[i] != '.'; pos++, i++)
-	cart_name[pos] = toupper(linkp->f_idp[i]);
+	cart_name[pos] = toupper((unsigned char)linkp->f_idp[i]);
       if(pos < 16)
 	cart_name[pos] = 0;
     }