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comparison data-provider.c @ 144:be87c8e78266

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Code cleanup
author Daniele Nicolodi <daniele.nicolodi@obspm.fr>
date Wed, 22 Jan 2014 14:45:24 +0100
parents
children 97112b45b838
comparison
equal deleted inserted replaced
143:09a4548e1436 144:be87c8e78266
1 #include <ansi_c.h>
2 #include <userint.h>
3
4 /* message buffer */
5 #define DATA_PROVIDER_MSGLEN 256
6 #define DATA_PROVIDER_MSGNUM 16
7 static char messages[DATA_PROVIDER_MSGLEN][DATA_PROVIDER_MSGNUM];
8 static unsigned int messageid = 0;
9
10 /* logging function defined in main program */
11 extern void logmsg(const char *frmt, ...);
12
13 /* message callback */
14 void CVICALLBACK MessageCB (void *msg)
15 {
16 if (msg != NULL)
17 logmsg(msg);
18 }
19
20 void SendMessage(int threadId, const char *frmt, ...)
21 {
22 /* message buffer */
23 char *message = messages[messageid++ % DATA_PROVIDER_MSGNUM];
24
25 /* format message */
26 va_list args;
27 va_start(args, frmt);
28 vsnprintf(message, DATA_PROVIDER_MSGLEN - 1, frmt, args);
29 va_end(args);
30
31 /* signal main thread */
32 PostDeferredCallToThread(MessageCB, message, threadId);
33 }
34