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:
594 bytes
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1 | #include "stdio_impl.h"
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2 | #include <limits.h>
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3 | #include <errno.h>
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4 |
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5 | off_t __ftello_unlocked(FILE *f)
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6 | {
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7 | off_t pos = f->seek(f, 0,
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8 | (f->flags & F_APP) && f->wpos > f->wbase
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9 | ? SEEK_END : SEEK_CUR);
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10 | if (pos < 0) return pos;
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11 |
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12 | /* Adjust for data in buffer. */
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13 | return pos - (f->rend - f->rpos) + (f->wpos - f->wbase);
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14 | }
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15 |
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16 | off_t __ftello(FILE *f)
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17 | {
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18 | off_t pos;
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19 | FLOCK(f);
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20 | pos = __ftello_unlocked(f);
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21 | FUNLOCK(f);
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22 | return pos;
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23 | }
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24 |
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25 | long ftell(FILE *f)
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26 | {
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27 | off_t pos = __ftello(f);
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28 | if (pos > LONG_MAX) {
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29 | errno = EOVERFLOW;
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30 | return -1;
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31 | }
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32 | return pos;
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33 | }
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34 |
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35 | weak_alias(__ftello, ftello);
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36 |
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37 | LFS64(ftello);
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