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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2026-01-01 13:47:45 +0000 |
|---|---|---|
| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2026-01-01 13:47:45 +0000 |
| commit | e99182dab3093f1645f9e4ff216aa752d7443fb1 (patch) | |
| tree | 175a373c32a58783edd41901d4baf6e68626c7ec /src/libstddjb/fd_move.c | |
| parent | 45137c6466050c9468931713a7504eae3d08bfce (diff) | |
| download | skalibs-e99182dab3093f1645f9e4ff216aa752d7443fb1.tar.gz | |
Save/restore errno in all safe wrappers
Diffstat (limited to 'src/libstddjb/fd_move.c')
| -rw-r--r-- | src/libstddjb/fd_move.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/libstddjb/fd_move.c b/src/libstddjb/fd_move.c index c35e4d6..09662aa 100644 --- a/src/libstddjb/fd_move.c +++ b/src/libstddjb/fd_move.c @@ -7,12 +7,13 @@ int fd_move (int to, int from) { + int e = errno ; int r ; if (to == from) return uncoe(to) ; - do - r = dup2(from, to) ; - while ((r == -1) && (errno == EINTR)) ; + do r = dup2(from, to) ; + while (r == -1 && errno == EINTR) ; if (r < 0) return r ; + errno = e ; fd_close(from) ; return 0 ; } |