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author | jilles <jilles@FreeBSD.org> | 2012-12-12 22:01:10 +0000 |
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committer | jilles <jilles@FreeBSD.org> | 2012-12-12 22:01:10 +0000 |
commit | e5dd01ef24d5055696b9f61ddc0ad5e9dd3e6884 (patch) | |
tree | 62b574be073036de48cb7bc28e7e4aa2b57e010d /bin/sh/eval.c | |
parent | bde43ee183f5f6d6eeb4949510346a87bf3cb414 (diff) | |
download | FreeBSD-src-e5dd01ef24d5055696b9f61ddc0ad5e9dd3e6884.zip FreeBSD-src-e5dd01ef24d5055696b9f61ddc0ad5e9dd3e6884.tar.gz |
sh: Detect and flag write errors on stdout in builtins.
If there is a write error on stdout, a message will be printed (to stderr)
and the exit status will be changed to 2 if it would have been 0 or 1.
PR: bin/158206
Diffstat (limited to 'bin/sh/eval.c')
-rw-r--r-- | bin/sh/eval.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/bin/sh/eval.c b/bin/sh/eval.c index 8973f69..2e1315e 100644 --- a/bin/sh/eval.c +++ b/bin/sh/eval.c @@ -1070,6 +1070,7 @@ evalcommand(union node *cmd, int flags, struct backcmd *backcmd) } handler = &jmploc; redirect(cmd->ncmd.redirect, mode); + outclearerror(out1); /* * If there is no command word, redirection errors should * not be fatal but assignment errors should. @@ -1085,6 +1086,11 @@ evalcommand(union node *cmd, int flags, struct backcmd *backcmd) builtin_flags = flags; exitstatus = (*builtinfunc[cmdentry.u.index])(argc, argv); flushall(); + if (outiserror(out1)) { + warning("write error on stdout"); + if (exitstatus == 0 || exitstatus == 1) + exitstatus = 2; + } cmddone: if (argc > 0) bltinunsetlocale(); |