From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Fri, 13 Apr 2001 01:42:50 +0000 (+0000)
Subject: select() may return EAGAIN.  If so, continue like we do for EINTR.
X-Git-Tag: SUDO_1_6_4~192
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2d9fb0a5ab2d66610292797d08cb6699cd89fdcf;p=sudo

select() may return EAGAIN.  If so, continue like we do for EINTR.
---

diff --git a/tgetpass.c b/tgetpass.c
index 56253392c..184688c20 100644
--- a/tgetpass.c
+++ b/tgetpass.c
@@ -195,10 +195,12 @@ tgetline(fd, buf, bufsiz, timeout)
 
 	    /* Make sure there is something to read (or timeout) */
 	    while ((n = select(fd + 1, readfds, 0, 0, &tv)) == -1 &&
-		errno == EINTR)
+		(errno == EINTR || errno == EAGAIN))
 		;
-	    if (n == 0)
+	    if (n == 0) {
+		free(readfds);
 		return(NULL);		/* timeout */
+	    }
 
 	    /* Read a character, exit loop on error, EOF or EOL */
 	    n = read(fd, &c, 1);