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grep: Suppress EISDIR when reading.

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MFC after:	1 week
Sponsored by:	NetApp, Inc.
Sponsored by:	Klara, Inc.
Reviewed by:	kevans
This commit is contained in:
Dag-Erling Smørgrav 2023-09-08 18:17:41 +00:00
parent 1621861810
commit caf5283fc9
1 changed files with 2 additions and 0 deletions
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2
usr.bin/grep/file.c
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@ -72,6 +72,8 @@ grep_refill(struct file *f)
bufrem = 0;
nr = read(f->fd, buffer, MAXBUFSIZ);
if (nr < 0 && errno == EISDIR)
nr = 0;
if (nr < 0)
return (-1);