Last change
on this file since 413 was 398, checked in by coas-nagasima, 5 years ago |
mbedTLS版Azure IoT Hub接続サンプルのソースコードを追加
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File size:
595 bytes
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[398] | 1 | #include <stdlib.h>
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| 2 | #include <sys/ioctl.h>
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| 3 | #include <stdio.h>
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| 4 | #include <fcntl.h>
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| 5 | #include <errno.h>
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| 6 | #include "libc.h"
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| 7 | #include "syscall.h"
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| 8 |
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| 9 | int posix_openpt(int flags)
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| 10 | {
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| 11 | return open("/dev/ptmx", flags);
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| 12 | }
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| 13 |
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| 14 | int grantpt(int fd)
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| 15 | {
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| 16 | return 0;
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| 17 | }
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| 18 |
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| 19 | int unlockpt(int fd)
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| 20 | {
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| 21 | int unlock = 0;
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| 22 | return ioctl(fd, TIOCSPTLCK, &unlock);
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| 23 | }
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| 24 |
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| 25 | int __ptsname_r(int fd, char *buf, size_t len)
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| 26 | {
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| 27 | int pty, err;
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| 28 | if (!buf) len = 0;
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| 29 | if ((err = __syscall(SYS_ioctl, fd, TIOCGPTN, &pty))) return -err;
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| 30 | if (snprintf(buf, len, "/dev/pts/%d", pty) >= len) return ERANGE;
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| 31 | return 0;
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| 32 | }
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| 33 |
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| 34 | weak_alias(__ptsname_r, ptsname_r);
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