Fix ttyname_r error return values
POSIX specifies ttyname_r should return errno and not do the usual return errno = error, -1; Fixes #732
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@ -37,8 +37,8 @@ int ttyname_r(int fd, char* path, size_t path_size)
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name[3] = 'v';
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name[3] = 'v';
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name[4] = '/';
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name[4] = '/';
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if ( ioctl(fd, TIOCGNAME, name + 5) < 0 )
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if ( ioctl(fd, TIOCGNAME, name + 5) < 0 )
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return -1;
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return errno;
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if ( path_size <= strlcpy(path, name, path_size) )
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if ( path_size <= strlcpy(path, name, path_size) )
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return errno = ERANGE, -1;
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return ERANGE;
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return 0;
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return 0;
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}
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}
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