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incorrect check for open failure in openpty function

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-1, not 0, indicates failure
This commit is contained in:
Rich Felker 2011-07-22 00:23:36 -04:00
commit d40e344f7b
1 changed files with 1 additions and 1 deletions
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2
src/misc/openpty.c
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@ -12,7 +12,7 @@ int openpty(int *m, int *s, char *name, const struct termios *tio, const struct
char buf[20];
*m = open("/dev/ptmx", O_RDWR|O_NOCTTY);
if (!*m) return -1;
if (*m < 0) return -1;
if (ioctl(*m, TIOCSPTLCK, &n) || ioctl (*m, TIOCGPTN, &n)) {
close(*m);