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authorRoberto E. Vargas Caballero <k0ga@shike2.com>2015-11-21 18:21:03 +0100
committerRoberto E. Vargas Caballero <k0ga@shike2.com>2015-11-21 18:21:03 +0100
commit375b28720f7c78e6fac1c274f9dee7c40a78aacb (patch)
treedf9bdab5affc8bb59a3276b3f0e31809f7344a37
parentd836561b96097b04760104e7e0f8d014f5889a18 (diff)
downloadst-375b28720f7c78e6fac1c274f9dee7c40a78aacb.tar.gz
Avoid recursive call to ttywrite from ttyread
Ttyread() calls to ttywrite, so if we check for reading before that for writing in ttywrite we can get a circular call sequence.
-rw-r--r--st.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/st.c b/st.c
index a47f094..c5d62c1 100644
--- a/st.c
+++ b/st.c
@@ -1518,8 +1518,6 @@ ttywrite(const char *s, size_t n)
continue;
die("select failed: %s\n", strerror(errno));
}
- if (FD_ISSET(cmdfd, &rfd))
- lim = ttyread();
if (FD_ISSET(cmdfd, &wfd)) {
/*
* Only write the bytes written by ttywrite() or the
@@ -1543,6 +1541,8 @@ ttywrite(const char *s, size_t n)
break;
}
}
+ if (FD_ISSET(cmdfd, &rfd))
+ lim = ttyread();
}
return;