So, in C, is there a way to capture the stdout from a function?
I have FunctionX which printfs a bunch of stuff. I'd like to capture that stuff
into a string without it printing and do a bunch of modifications to it before
printing.
Did that make sense? Any ideas how I can do that?
MRB
p.s.
I know if I wanted to capture the contents of a system call, I could use
popen(), something like what I have below, but is there a way, in C to do this
with a C function?
#define bufsize 1024
FILE *pp;
char VBUFF[bufsize];
...
if ((pp = popen( "/sbin/mount -va 2<&1","r")) == NULL)
{
printf("Failed to open pipe\n");
return errorcode;
}
while (!feof(pp))
{
fgets(VBUFF,bufsize,pp);
/* Just write the output to stdout */
printf ("Pipe read: %s\n",VBUFF);
}
pclose(pp);
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