cygwin 1.7 build fixes

[openocd.git] / src / helper / jim.c

diff --git a/src/helper/jim.c b/src/helper/jim.c
index c04acf09f870273e0392d9ae2c174615a2996b56..53d1a75eb34e241c012c91fe09f2ea868b728e09 100644 (file)
--- a/src/helper/jim.c
+++ b/src/helper/jim.c
@@ -2217,7 +2217,7 @@ static Jim_Obj *JimStringToLower(Jim_Interp *interp, Jim_Obj *strObjPtr)
 
     memcpy(buf, strObjPtr->bytes, strObjPtr->length + 1);
     for (i = 0; i < strObjPtr->length; i++)
-        buf[i] = tolower(buf[i]);
+        buf[i] = tolower((unsigned)buf[i]);
     return Jim_NewStringObjNoAlloc(interp, buf, strObjPtr->length);
 }
 
@@ -2233,7 +2233,7 @@ static Jim_Obj *JimStringToUpper(Jim_Interp *interp, Jim_Obj *strObjPtr)
 
     memcpy(buf, strObjPtr->bytes, strObjPtr->length + 1);
     for (i = 0; i < strObjPtr->length; i++)
-        buf[i] = toupper(buf[i]);
+        buf[i] = toupper((unsigned)buf[i]);
     return Jim_NewStringObjNoAlloc(interp, buf, strObjPtr->length);
 }
 
@@ -2347,7 +2347,7 @@ static Jim_Obj *Jim_FormatString_Inner(Jim_Interp *interp, Jim_Obj *fmtObjPtr,
                case '8':
                case '9':
                        accum = 0;
-                       while (isdigit(*fmt) && (fmtLen > 0)) {
+                       while (isdigit((unsigned)*fmt) && (fmtLen > 0)) {
                                accum = (accum * 10) + (*fmt - '0');
                                fmt++;  fmtLen--;
                        }