Print

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(I don't know how to attach a source file in github):

#include <XrdClient/XrdClient.hh>
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>

int main()
{
   XrdClient *xrd = new XrdClient("root://xroot.example.com//path/non_empty_file");

   if (!xrd) {
      fprintf(stderr, "Could not make an XrdClient\n");
      return 1;
   }

   bool bret = xrd->Open(0, kXR_open_read, false);

   if (!bret) {
      fprintf(stderr, "Could not open file\n");
      return 1;
   }

   FILE *stream = popen("/bin/true", "r");

   if (!stream) {
      fprintf(stderr, "Could not popen\n");
      return 1;
   }

   pclose(stream);

   int rlen = 1;
   long long off =0;
   char buf[1];
   int iret = xrd->Read(buf, off, rlen);

   if (iret != 1) {
     fprintf(stderr, "Unexpected return value from Read\n");
     return 1;
   }

   xrd->Close();
   delete xrd;

   return 0;
}

---
Reply to this email directly or view it on GitHub:
https://github.com/xrootd/xrootd/issues/244#issuecomment-112862286

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