When I use the pass directive to start up my application, I can't use a
pipe. I can't even do
fprintf(stderr, "message") <- this should ALWAYS work.
When I run my app at the command line, it works fine. The pipe works and
the output file is created. When I run it from the agent, the agent gets
the correct output, but the pipe doesn't work, and the output file IS NOT
created.
The following is the source code I am using
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define P_READ 0
#define P_WRITE 1
int main(int argc, char *argv[])
{
int snmp_pipe[2];
char buff[256];
int result;
pipe(snmp_pipe);
result = fork();
if(result == 0) /* child */
{
FILE *fp;
int nbytes;
nbytes = read(snmp_pipe[P_READ], buff, 256);
buff[nbytes] = '\0';
fp = fopen("blahfile", "w");
fprintf(fp, "%s", buff);
fclose(fp);
return 0;
}
else /* parent */
{
write(snmp_pipe[P_WRITE], "hello\n", strlen("hello\n"));
if(isGet(argv[1]))
{
printf("%s\n", argv[2]);
printf("string\n");
printf("get request\n");
}
else if(isGetNext(argv[1]))
{
printf("%s\n", argv[2]);
printf("string\n");
printf("getnext request\n");
}
else if(isSet(argv[1]))
{
printf("%s\n", argv[2]);
printf("string\n");
printf("set request\n");
}
else
{
printf("%s\n", argv[2]);
printf("string\n");
printf("unknown type of request\n");
}
return 0;
}
}
int isGet(char *param)
{
if(!strcmp(param, "-g"))
return 1;
else
return 0;
}
int isGetNext(char *param)
{
if(!strcmp(param, "-n"))
return 1;
else
return 0;
}
int isSet(char *param)
{
if(!strcmp(param, "-s"))
return 1;
else
return 0;
}
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