diff options
Diffstat (limited to 'lib/Utils/xfuncs.cpp')
| -rw-r--r-- | lib/Utils/xfuncs.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Utils/xfuncs.cpp b/lib/Utils/xfuncs.cpp index 078c804..60c2eb4 100644 --- a/lib/Utils/xfuncs.cpp +++ b/lib/Utils/xfuncs.cpp @@ -88,6 +88,12 @@ void xpipe(int filedes[2]) perror_msg_and_die("can't create pipe"); } +void xdup(int from) +{ + if (dup(from) < 0) + perror_msg_and_die("can't duplicate file descriptor"); +} + void xdup2(int from, int to) { if (dup2(from, to) != to) |