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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Property svn:eol-style
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native
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Property svn:mime-type
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text/x-csrc;charset=UTF-8
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File size:
788 bytes
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1 | #include "stdio_impl.h"
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2 |
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3 | /* stdout.c will override this if linked */
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4 | static FILE *volatile dummy = 0;
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5 | weak_alias(dummy, __stdout_used);
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6 |
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7 | int fflush(FILE *f)
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8 | {
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9 | if (!f) {
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10 | int r = __stdout_used ? fflush(__stdout_used) : 0;
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11 |
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12 | for (f=*__ofl_lock(); f; f=f->next) {
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13 | FLOCK(f);
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14 | if (f->wpos > f->wbase) r |= fflush(f);
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15 | FUNLOCK(f);
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16 | }
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17 | __ofl_unlock();
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18 |
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19 | return r;
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20 | }
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21 |
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22 | FLOCK(f);
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23 |
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24 | /* If writing, flush output */
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25 | if (f->wpos > f->wbase) {
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26 | f->write(f, 0, 0);
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27 | if (!f->wpos) {
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28 | FUNLOCK(f);
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29 | return EOF;
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30 | }
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31 | }
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32 |
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33 | /* If reading, sync position, per POSIX */
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34 | if (f->rpos < f->rend) f->seek(f, f->rpos-f->rend, SEEK_CUR);
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35 |
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36 | /* Clear read and write modes */
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37 | f->wpos = f->wbase = f->wend = 0;
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38 | f->rpos = f->rend = 0;
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39 |
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40 | FUNLOCK(f);
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41 | return 0;
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42 | }
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43 |
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44 | weak_alias(fflush, fflush_unlocked);
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