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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Property svn:mime-type
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File size:
499 bytes
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1 | #include <stdlib.h>
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2 | #include <string.h>
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3 | #include <stdint.h>
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4 |
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5 | static const char digits[] =
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6 | "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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7 |
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8 | long a64l(const char *s)
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9 | {
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10 | int e;
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11 | uint32_t x = 0;
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12 | for (e=0; e<36 && *s; e+=6, s++) {
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13 | const char *d = strchr(digits, *s);
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14 | if (!d) break;
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15 | x |= (uint32_t)(d-digits)<<e;
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16 | }
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17 | return (int32_t)x;
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18 | }
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19 |
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20 | char *l64a(long x0)
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21 | {
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22 | static char s[7];
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23 | char *p;
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24 | uint32_t x = x0;
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25 | for (p=s; x; p++, x>>=6)
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26 | *p = digits[x&63];
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27 | *p = 0;
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28 | return s;
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29 | }
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