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Don't left-shift negative numbers by making them unsigned.

This commit is contained in:
joerg 2015-08-28 13:04:29 +00:00
parent a05bf9d163
commit f1688a8203
1 changed files with 4 additions and 4 deletions
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8
sys/dev/midictl.c
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@ -1,4 +1,4 @@
/* $NetBSD: midictl.c,v 1.7 2011/11/23 23:07:31 jmcneill Exp $ */
/* $NetBSD: midictl.c,v 1.8 2015/08/28 13:04:29 joerg Exp $ */
/*-
* Copyright (c) 2006, 2008 The NetBSD Foundation, Inc.
@ -29,7 +29,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: midictl.c,v 1.7 2011/11/23 23:07:31 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: midictl.c,v 1.8 2015/08/28 13:04:29 joerg Exp $");
/*
* See midictl.h for an overview of the purpose and use of this module.
@ -260,7 +260,7 @@ midictl_change(midictl *mc, uint_fast8_t chan, uint8_t *ctlval)
mc->nrpn &= ~PN_SET;
return;
case MIDI_CTRL_RPN_MSB:
mc-> rpn &= ~0x7f<<7;
mc-> rpn &= ~0x7fU<<7;
mc-> rpn |= PN_SET | (0x7f & ctlval[1])<<7;
mc->nrpn &= ~PN_SET;
return;
@ -270,7 +270,7 @@ midictl_change(midictl *mc, uint_fast8_t chan, uint8_t *ctlval)
mc-> rpn &= ~PN_SET;
return;
case MIDI_CTRL_NRPN_MSB:
mc->nrpn &= ~0x7f<<7;
mc->nrpn &= ~0x7fU<<7;
mc->nrpn |= PN_SET | (0x7f & ctlval[1])<<7;
mc-> rpn &= ~PN_SET;
return;