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.
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parent
d836561b96
commit
375b28720f
4
st.c
4
st.c
@ -1518,8 +1518,6 @@ ttywrite(const char *s, size_t n)
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continue;
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die("select failed: %s\n", strerror(errno));
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}
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if (FD_ISSET(cmdfd, &rfd))
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lim = ttyread();
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if (FD_ISSET(cmdfd, &wfd)) {
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/*
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* Only write the bytes written by ttywrite() or the
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@ -1543,6 +1541,8 @@ ttywrite(const char *s, size_t n)
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break;
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}
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}
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if (FD_ISSET(cmdfd, &rfd))
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lim = ttyread();
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}
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return;
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