EMS Manual

Example of Retrieving Event Messages
EMS Manual—426909-005
A-27
C Source File
/* Note that the following code is order-dependent since
using FNAMEEXPAND to directly set the 'defaults' field
overwrites the front of 'infile' */
strcpy((char *)TempDefaults, "$SYSTEM SYSTEM ");
strcpy(ExternFile, (char *)getenv("DEFAULTS"));
strcat(ExternFile, ".X");
FNAMEEXPAND(ExternFile, ci_startup->defaults,
TempDefaults);
strcpy(ExternFile, (char *)getenv("STDIN"));
FNAMEEXPAND(ExternFile, ci_startup->infile, TempDefaults);
strcpy(ExternFile, (char *)getenv("STDOUT"));
FNAMEEXPAND(ExternFile, ci_startup->outfile, TempDefaults);
/* Don't forget to set the msgcode to -1 (startup msg) */
ci_startup->msgcode = -1;
/* Plant a NULL char at the beginning of the params */
ci_startup->params[0] = 0;
return(ci_startup);
}
#pragma PAGE "get_cpu_num()"
/* ---------- get_cpu_num -------------------
* Prompts the user for a valid cpu number, which can be
* passed as a parameter to the filter.
*/
void get_cpu_num(void)
{
int errval;
int got_it = FALSE;
while ( !got_it ) {
/* prompt the user for the cpu number to use */
printf("\nCpu number?: ");
errval = scanf("%d", &cpu_num);
if (errval == EOF)
STOP();
if ( (errval != 0) && (cpu_num >= 0) )
got_it = TRUE;
}
}
#pragma PAGE "send_spi_cmd()"
/* ----------- send_spi_cmd -------------------
* Puts the finishing touches on an SPI command that has
* been prepared by another procedure. Sends the command to
* the distributor and checks the command response.
*/
void send_spi_cmd(void)
{
int ccval; /* for cc return from writeread */