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2 changes: 1 addition & 1 deletion jerry-core/jerry-port.c
Original file line number Diff line number Diff line change
Expand Up @@ -50,5 +50,5 @@ int jerry_port_errormsg (const char *format, /**< format string */
*/
int jerry_port_putchar (int c) /**< character to put */
{
return putchar (c);
return putchar ((unsigned char) c);
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Why this is a problem?

http://www.cplusplus.com/reference/cstdio/putchar/

putchar should accept int argument.

} /* jerry_port_putchar */