Differences From Artifact [2cb57c6a2c]:

• File src/main.c — part of check-in [bd60090134] at 2015-02-07 19:48:10 on branch trunk — Improvements to detections and attempted mitigation of the file-descriptor 2 not open problem sometimes seen with stunnel4. (user: drh size: 77336)

To Artifact [fc64ea2676]:

• File src/main.c — part of check-in [478ef4ca5a] at 2015-02-07 19:52:27 on branch trunk — Off-by-one error in the previous commit. (user: drh size: 77337)

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      g.argv = zNewArgv;
    }
    zCmdName = g.argv[1];
  }
#ifndef _WIN32
  /* Make sure open() will not return file descriptor 2. */
  { int nTry = 0;
    while( !is_valid_fd(2) && nTry++ < 2 && open("/dev/null",O_WRONLY)>0 ){}
    if( !is_valid_fd(2) ){
      fossil_fatal("file descriptor 2 is not open");
    }
  }
#endif
  rc = name_search(zCmdName, aCommand, count(aCommand), FOSSIL_FIRST_CMD, &idx);
  if( rc==1 ){

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      g.argv = zNewArgv;
    }
    zCmdName = g.argv[1];
  }
#ifndef _WIN32
  /* Make sure open() will not return file descriptor 2. */
  { int nTry = 0;
    while( !is_valid_fd(2) && nTry++ < 2 && open("/dev/null",O_WRONLY)>=0 ){}
    if( !is_valid_fd(2) ){
      fossil_fatal("file descriptor 2 is not open");
    }
  }
#endif
  rc = name_search(zCmdName, aCommand, count(aCommand), FOSSIL_FIRST_CMD, &idx);
  if( rc==1 ){