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open distinguishes between >=0 and ==-1 but <-1 is undef, make it error

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tg
2012-11-30 17:34:46 +00:00
parent 63863a90d8
commit e36075e58d
1 changed files with 3 additions and 3 deletions
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6
misc.c
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@ -30,7 +30,7 @@
#include <grp.h> #include <grp.h>
#endif #endif
__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.200 2012/10/22 20:52:47 tg Exp $"); __RCSID("$MirOS: src/bin/mksh/misc.c,v 1.201 2012/11/30 17:34:46 tg Exp $");
#define KSH_CHVT_FLAG #define KSH_CHVT_FLAG
#ifdef MKSH_SMALL #ifdef MKSH_SMALL
@ -1938,9 +1938,9 @@ chvt(const char *fn)
"new shell is potentially insecure, can't revoke", "new shell is potentially insecure, can't revoke",
fn); fn);
} }
if ((fd = open(fn, O_RDWR)) == -1) { if ((fd = open(fn, O_RDWR)) < 0) {
sleep(1); sleep(1);
if ((fd = open(fn, O_RDWR)) == -1) if ((fd = open(fn, O_RDWR)) < 0)
errorf("%s: %s %s", "chvt", "can't open", fn); errorf("%s: %s %s", "chvt", "can't open", fn);
} }
switch (fork()) { switch (fork()) {