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:
353 bytes
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[398] | 1 | #include <unistd.h>
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| 2 | #include <errno.h>
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| 3 | #include <limits.h>
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| 4 | #include <string.h>
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| 5 | #include "syscall.h"
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| 6 |
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| 7 | char *getcwd(char *buf, size_t size)
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| 8 | {
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| 9 | char tmp[PATH_MAX];
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| 10 | if (!buf) {
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| 11 | buf = tmp;
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| 12 | size = PATH_MAX;
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| 13 | } else if (!size) {
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| 14 | errno = EINVAL;
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| 15 | return 0;
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| 16 | }
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| 17 | if (syscall(SYS_getcwd, buf, size) < 0) return 0;
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| 18 | return buf == tmp ? strdup(buf) : buf;
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| 19 | }
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