Last change
on this file since 380 was 352, checked in by coas-nagasima, 6 years ago |
arm向けASP3版ECNL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:
1.2 KB
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Rev | Line | |
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[352] | 1 | #define _GNU_SOURCE
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| 2 | #include <sys/socket.h>
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| 3 | #include <netinet/in.h>
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| 4 | #include <netdb.h>
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| 5 | #include <inttypes.h>
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| 6 | #include <errno.h>
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| 7 | #include <string.h>
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| 8 | #include <stdlib.h>
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| 9 | #include "lookup.h"
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| 10 |
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| 11 | #define ALIGN (sizeof(struct { char a; char *b; }) - sizeof(char *))
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| 12 |
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| 13 | int getservbyname_r(const char *name, const char *prots,
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| 14 | struct servent *se, char *buf, size_t buflen, struct servent **res)
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| 15 | {
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| 16 | struct service servs[MAXSERVS];
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| 17 | int cnt, proto, align;
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| 18 |
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| 19 | *res = 0;
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| 20 |
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| 21 | /* Don't treat numeric port number strings as service records. */
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| 22 | char *end = "";
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| 23 | strtoul(name, &end, 10);
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| 24 | if (!*end) return ENOENT;
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| 25 |
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| 26 | /* Align buffer */
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| 27 | align = -(uintptr_t)buf & ALIGN-1;
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| 28 | if (buflen < 2*sizeof(char *)+align)
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| 29 | return ERANGE;
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| 30 | buf += align;
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| 31 |
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| 32 | if (!prots) proto = 0;
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| 33 | else if (!strcmp(prots, "tcp")) proto = IPPROTO_TCP;
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| 34 | else if (!strcmp(prots, "udp")) proto = IPPROTO_UDP;
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| 35 | else return EINVAL;
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| 36 |
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| 37 | cnt = __lookup_serv(servs, name, proto, 0, 0);
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| 38 | if (cnt<0) switch (cnt) {
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| 39 | case EAI_MEMORY:
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| 40 | case EAI_SYSTEM:
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| 41 | return ENOMEM;
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| 42 | default:
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| 43 | return ENOENT;
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| 44 | }
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| 45 |
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| 46 | se->s_name = (char *)name;
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| 47 | se->s_aliases = (void *)buf;
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| 48 | se->s_aliases[0] = se->s_name;
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| 49 | se->s_aliases[1] = 0;
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| 50 | se->s_port = htons(servs[0].port);
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| 51 | se->s_proto = servs[0].proto == IPPROTO_TCP ? "tcp" : "udp";
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| 52 |
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| 53 | *res = se;
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| 54 | return 0;
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| 55 | }
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