open distinguishes between >=0 and ==-1 but <-1 is undef, make it error
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63863a90d8
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6
misc.c
6
misc.c
@ -30,7 +30,7 @@
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#include <grp.h>
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#endif
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__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.200 2012/10/22 20:52:47 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.201 2012/11/30 17:34:46 tg Exp $");
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#define KSH_CHVT_FLAG
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#ifdef MKSH_SMALL
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@ -1938,9 +1938,9 @@ chvt(const char *fn)
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"new shell is potentially insecure, can't revoke",
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fn);
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}
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if ((fd = open(fn, O_RDWR)) == -1) {
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if ((fd = open(fn, O_RDWR)) < 0) {
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sleep(1);
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if ((fd = open(fn, O_RDWR)) == -1)
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if ((fd = open(fn, O_RDWR)) < 0)
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errorf("%s: %s %s", "chvt", "can't open", fn);
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}
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switch (fork()) {
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