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:
302 bytes
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1 | #define _GNU_SOURCE
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2 | #include <stdio.h>
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3 | #include <stdarg.h>
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4 | #include <stdlib.h>
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5 |
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6 | int vasprintf(char **s, const char *fmt, va_list ap)
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7 | {
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8 | va_list ap2;
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9 | va_copy(ap2, ap);
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10 | int l = vsnprintf(0, 0, fmt, ap2);
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11 | va_end(ap2);
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12 |
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13 | if (l<0 || !(*s=malloc(l+1U))) return -1;
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14 | return vsnprintf(*s, l+1U, fmt, ap);
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15 | }
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