Last change
on this file since 445 was 444, checked in by coas-nagasima, 4 years ago |
muslのソースコードを追加
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Property svn:eol-style
set to
native
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Property svn:mime-type
set to
text/x-csrc;charset=UTF-8
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File size:
711 bytes
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Line | |
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1 | #include <ctype.h>
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2 | #include <sys/socket.h>
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3 | #include <netinet/in.h>
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4 | #include <arpa/inet.h>
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5 | #include "libc.h"
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6 |
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7 | int __inet_aton(const char *s0, struct in_addr *dest)
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8 | {
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9 | const char *s = s0;
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10 | unsigned char *d = (void *)dest;
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11 | unsigned long a[4] = { 0 };
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12 | char *z;
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13 | int i;
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14 |
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15 | for (i=0; i<4; i++) {
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16 | a[i] = strtoul(s, &z, 0);
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17 | if (z==s || (*z && *z != '.') || !isdigit(*s))
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18 | return 0;
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19 | if (!*z) break;
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20 | s=z+1;
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21 | }
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22 | if (i==4) return 0;
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23 | switch (i) {
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24 | case 0:
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25 | a[1] = a[0] & 0xffffff;
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26 | a[0] >>= 24;
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27 | case 1:
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28 | a[2] = a[1] & 0xffff;
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29 | a[1] >>= 16;
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30 | case 2:
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31 | a[3] = a[2] & 0xff;
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32 | a[2] >>= 8;
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33 | }
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34 | for (i=0; i<4; i++) {
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35 | if (a[i] > 255) return 0;
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36 | d[i] = a[i];
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37 | }
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38 | return 1;
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39 | }
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40 |
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41 | weak_alias(__inet_aton, inet_aton);
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