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http://portmedia.sourceforge.net/ PortMidi is a platform independent library for MIDI input/output.
41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
diff --git a/pm_common/portmidi.c b/pm_common/portmidi.c
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index b716170..9a469b1 100755
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--- a/pm_common/portmidi.c
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+++ b/pm_common/portmidi.c
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@@ -9,7 +9,6 @@
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#include "porttime.h"
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#include "pmutil.h"
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#include "pminternal.h"
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-#include <assert.h>
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#define MIDI_CLOCK 0xf8
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#define MIDI_ACTIVE 0xfe
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@@ -293,8 +292,8 @@ PMEXPORT const char *Pm_GetErrorText( PmError errnum ) {
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* The error will always be in the global pm_hosterror_text.
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*/
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PMEXPORT void Pm_GetHostErrorText(char * msg, unsigned int len) {
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- assert(msg);
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- assert(len > 0);
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+ if (!msg) return;
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+ if (len <= 0) return;
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if (pm_hosterror) {
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strncpy(msg, (char *) pm_hosterror_text, len);
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pm_hosterror = FALSE;
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@@ -1016,7 +1015,7 @@ void pm_read_short(PmInternal *midi, PmEvent *event)
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{
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int status;
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/* arg checking */
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- assert(midi != NULL);
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+ if (!midi) return;
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/* midi filtering is applied here */
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status = Pm_MessageStatus(event->message);
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if (!pm_status_filtered(status, midi->filters)
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@@ -1058,7 +1057,7 @@ unsigned int pm_read_bytes(PmInternal *midi, const unsigned char *data,
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int i = 0; /* index into data, must not be unsigned (!) */
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PmEvent event;
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event.timestamp = timestamp;
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- assert(midi);
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+ if (!midi) return 0;
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/* note that since buffers may not have multiples of 4 bytes,
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* pm_read_bytes may be called in the middle of an outgoing
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* 4-byte PortMidi message. sysex_in_progress indicates that
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