| tuklib_open_stdxxx.c (213700) | tuklib_open_stdxxx.c (223935) |
|---|---|
| 1/////////////////////////////////////////////////////////////////////////////// 2// 3/// \file tuklib_open_stdxxx.c 4/// \brief Make sure that file descriptors 0, 1, and 2 are open 5// 6// Author: Lasse Collin 7// 8// This file has been put into the public domain. --- 25 unchanged lines hidden (view full) --- 34 // With stdin, we could use /dev/full so that 35 // writing to stdin would fail. However, /dev/full 36 // is Linux specific, and if the program tries to 37 // write to stdin, there's already a problem anyway. 38 const int fd = open("/dev/null", O_NOCTTY 39 | (i == 0 ? O_WRONLY : O_RDONLY)); 40 41 if (fd != i) { | 1/////////////////////////////////////////////////////////////////////////////// 2// 3/// \file tuklib_open_stdxxx.c 4/// \brief Make sure that file descriptors 0, 1, and 2 are open 5// 6// Author: Lasse Collin 7// 8// This file has been put into the public domain. --- 25 unchanged lines hidden (view full) --- 34 // With stdin, we could use /dev/full so that 35 // writing to stdin would fail. However, /dev/full 36 // is Linux specific, and if the program tries to 37 // write to stdin, there's already a problem anyway. 38 const int fd = open("/dev/null", O_NOCTTY 39 | (i == 0 ? O_WRONLY : O_RDONLY)); 40 41 if (fd != i) { |
| 42 if (fd != -1) 43 (void)close(fd); 44 |
|
| 42 // Something went wrong. Exit with the 43 // exit status we were given. Don't try 44 // to print an error message, since stderr 45 // may very well be non-existent. This 46 // error should be extremely rare. | 45 // Something went wrong. Exit with the 46 // exit status we were given. Don't try 47 // to print an error message, since stderr 48 // may very well be non-existent. This 49 // error should be extremely rare. |
| 47 (void)close(fd); | |
| 48 exit(err_status); 49 } 50 } 51 } 52#endif 53 54 return; 55} | 50 exit(err_status); 51 } 52 } 53 } 54#endif 55 56 return; 57} |