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bdd6a2717b
appear. While here resolve a worning and arrange for installing the author's README-file, if DOCS-option is on.
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
--- netselect.c 2001-08-29 05:18:57.000000000 -0400
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+++ netselect.c 2015-03-09 02:31:02.000000000 -0400
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@@ -39,14 +39,13 @@
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* hey, great! Let me know. -- apenwarr
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*/
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-#ifdef __EMX__
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-# include <io.h>
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-# include <fcntl.h>
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-# include <sys/types.h>
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-# include <sys/select.h>
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-# include <machine/endian.h>
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-#else
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-# include <endian.h>
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+#ifdef __linux__
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+#include <endian.h>
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+#elif defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__APPLE__)
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+#if defined(__OpenBSD__)
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+#include <machine/types.h>
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+#endif
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+#include <machine/endian.h>
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#endif
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#include <sys/param.h>
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@@ -152,6 +151,7 @@
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extern int optind;
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int hostcount, startcount, endcount = 0, sent_one, lag, min_lag = 100;
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int ch, seq, ttl, max_ttl = 30, min_tries = 10, num_score = 1;
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+ int on = 1;
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struct timeval now;
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struct timezone tz;
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OPacket outpacket; /* last output (udp) packet */
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@@ -234,7 +234,12 @@
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if (verbose >= 1)
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fprintf(stderr, "Running netselect to choose %d out of %d address%s.\n",
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num_score, numhosts, numhosts==1 ? "" : "es");
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-
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+
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+ if (setsockopt(sndsock, IPPROTO_IP, IP_HDRINCL, &on, sizeof(on)) < 0) {
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+ perror("IP_HDRINCL");
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+ _exit(EXIT_FAILURE);
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+ }
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+
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/* keep going until most of the hosts have been finished */
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must_continue = numhosts;
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while (must_continue && must_continue >= numhosts/2)
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@@ -712,7 +717,7 @@
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ip->ip_off = 0;
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ip->ip_hl = sizeof(*ip) >> 2;
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ip->ip_p = IPPROTO_UDP;
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- ip->ip_len = 0; /* kernel fills this in */
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+ ip->ip_len = sizeof(OPacket);
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ip->ip_ttl = ttl;
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ip->ip_v = IPVERSION;
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ip->ip_id = htons(ident + seq);
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@@ -771,12 +776,8 @@
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int cc = 0;
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time_t msec_used;
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HostData *host;
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-
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-#if !defined(__GLIBC__)
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- int fromlen = sizeof(from);
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-#else /* __GLIBC__ */
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- size_t fromlen = sizeof(from);
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-#endif /* __GLIBC__ */
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+
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+ socklen_t fromlen = sizeof(from);
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FD_ZERO(&fds);
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FD_SET(sock, &fds);
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