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author | neksard <neksard@yandex-team.ru> | 2022-02-10 16:45:33 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:33 +0300 |
commit | 1d9c550e7c38e051d7961f576013a482003a70d9 (patch) | |
tree | b2cc84ee7850122e7ccf51d0ea21e4fa7e7a5685 /contrib/libs/c-ares/ahost.c | |
parent | 8f7cf138264e0caa318144bf8a2c950e0b0a8593 (diff) | |
download | ydb-1d9c550e7c38e051d7961f576013a482003a70d9.tar.gz |
Restoring authorship annotation for <neksard@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/c-ares/ahost.c')
-rw-r--r-- | contrib/libs/c-ares/ahost.c | 372 |
1 files changed, 186 insertions, 186 deletions
diff --git a/contrib/libs/c-ares/ahost.c b/contrib/libs/c-ares/ahost.c index 114fa22dbf..89a7c14fcb 100644 --- a/contrib/libs/c-ares/ahost.c +++ b/contrib/libs/c-ares/ahost.c @@ -1,90 +1,90 @@ -/* Copyright 1998 by the Massachusetts Institute of Technology. - * - * - * Permission to use, copy, modify, and distribute this - * software and its documentation for any purpose and without - * fee is hereby granted, provided that the above copyright - * notice appear in all copies and that both that copyright - * notice and this permission notice appear in supporting - * documentation, and that the name of M.I.T. not be used in - * advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * M.I.T. makes no representations about the suitability of - * this software for any purpose. It is provided "as is" - * without express or implied warranty. - */ - -#include "ares_setup.h" - -#if !defined(WIN32) || defined(WATT32) -#include <netinet/in.h> -#include <arpa/inet.h> -#include <netdb.h> -#endif - -#ifdef HAVE_STRINGS_H -#include <strings.h> -#endif - -#include "ares.h" -#include "ares_dns.h" -#include "ares_getopt.h" -#include "ares_ipv6.h" -#include "ares_nowarn.h" - -#ifndef HAVE_STRDUP -# include "ares_strdup.h" -# define strdup(ptr) ares_strdup(ptr) -#endif - -#ifndef HAVE_STRCASECMP -# include "ares_strcasecmp.h" -# define strcasecmp(p1,p2) ares_strcasecmp(p1,p2) -#endif - -#ifndef HAVE_STRNCASECMP -# include "ares_strcasecmp.h" -# define strncasecmp(p1,p2,n) ares_strncasecmp(p1,p2,n) -#endif - -static void callback(void *arg, int status, int timeouts, struct hostent *host); -static void usage(void); - -int main(int argc, char **argv) -{ +/* Copyright 1998 by the Massachusetts Institute of Technology. + * + * + * Permission to use, copy, modify, and distribute this + * software and its documentation for any purpose and without + * fee is hereby granted, provided that the above copyright + * notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting + * documentation, and that the name of M.I.T. not be used in + * advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * M.I.T. makes no representations about the suitability of + * this software for any purpose. It is provided "as is" + * without express or implied warranty. + */ + +#include "ares_setup.h" + +#if !defined(WIN32) || defined(WATT32) +#include <netinet/in.h> +#include <arpa/inet.h> +#include <netdb.h> +#endif + +#ifdef HAVE_STRINGS_H +#include <strings.h> +#endif + +#include "ares.h" +#include "ares_dns.h" +#include "ares_getopt.h" +#include "ares_ipv6.h" +#include "ares_nowarn.h" + +#ifndef HAVE_STRDUP +# include "ares_strdup.h" +# define strdup(ptr) ares_strdup(ptr) +#endif + +#ifndef HAVE_STRCASECMP +# include "ares_strcasecmp.h" +# define strcasecmp(p1,p2) ares_strcasecmp(p1,p2) +#endif + +#ifndef HAVE_STRNCASECMP +# include "ares_strcasecmp.h" +# define strncasecmp(p1,p2,n) ares_strncasecmp(p1,p2,n) +#endif + +static void callback(void *arg, int status, int timeouts, struct hostent *host); +static void usage(void); + +int main(int argc, char **argv) +{ struct ares_options options; int optmask = 0; - ares_channel channel; - int status, nfds, c, addr_family = AF_INET; - fd_set read_fds, write_fds; - struct timeval *tvp, tv; - struct in_addr addr4; - struct ares_in6_addr addr6; - -#ifdef USE_WINSOCK - WORD wVersionRequested = MAKEWORD(USE_WINSOCK,USE_WINSOCK); - WSADATA wsaData; - WSAStartup(wVersionRequested, &wsaData); -#endif - + ares_channel channel; + int status, nfds, c, addr_family = AF_INET; + fd_set read_fds, write_fds; + struct timeval *tvp, tv; + struct in_addr addr4; + struct ares_in6_addr addr6; + +#ifdef USE_WINSOCK + WORD wVersionRequested = MAKEWORD(USE_WINSOCK,USE_WINSOCK); + WSADATA wsaData; + WSAStartup(wVersionRequested, &wsaData); +#endif + memset(&options, 0, sizeof(options)); - status = ares_library_init(ARES_LIB_INIT_ALL); - if (status != ARES_SUCCESS) - { - fprintf(stderr, "ares_library_init: %s\n", ares_strerror(status)); - return 1; - } - + status = ares_library_init(ARES_LIB_INIT_ALL); + if (status != ARES_SUCCESS) + { + fprintf(stderr, "ares_library_init: %s\n", ares_strerror(status)); + return 1; + } + while ((c = ares_getopt(argc,argv,"dt:hs:")) != -1) - { - switch (c) - { - case 'd': -#ifdef WATT32 - dbug_init(); -#endif - break; + { + switch (c) + { + case 'd': +#ifdef WATT32 + dbug_init(); +#endif + break; case 's': optmask |= ARES_OPT_DOMAINS; options.ndomains++; @@ -92,115 +92,115 @@ int main(int argc, char **argv) options.ndomains * sizeof(char *)); options.domains[options.ndomains - 1] = strdup(optarg); break; - case 't': - if (!strcasecmp(optarg,"a")) - addr_family = AF_INET; - else if (!strcasecmp(optarg,"aaaa")) - addr_family = AF_INET6; + case 't': + if (!strcasecmp(optarg,"a")) + addr_family = AF_INET; + else if (!strcasecmp(optarg,"aaaa")) + addr_family = AF_INET6; else if (!strcasecmp(optarg,"u")) addr_family = AF_UNSPEC; - else - usage(); - break; - case 'h': - default: - usage(); - break; - } - } - - argc -= optind; - argv += optind; - if (argc < 1) - usage(); - + else + usage(); + break; + case 'h': + default: + usage(); + break; + } + } + + argc -= optind; + argv += optind; + if (argc < 1) + usage(); + status = ares_init_options(&channel, &options, optmask); - if (status != ARES_SUCCESS) - { - fprintf(stderr, "ares_init: %s\n", ares_strerror(status)); - return 1; - } - - /* Initiate the queries, one per command-line argument. */ - for ( ; *argv; argv++) - { - if (ares_inet_pton(AF_INET, *argv, &addr4) == 1) - { - ares_gethostbyaddr(channel, &addr4, sizeof(addr4), AF_INET, callback, - *argv); - } - else if (ares_inet_pton(AF_INET6, *argv, &addr6) == 1) - { - ares_gethostbyaddr(channel, &addr6, sizeof(addr6), AF_INET6, callback, - *argv); - } - else - { - ares_gethostbyname(channel, *argv, addr_family, callback, *argv); - } - } - - /* Wait for all queries to complete. */ - for (;;) - { + if (status != ARES_SUCCESS) + { + fprintf(stderr, "ares_init: %s\n", ares_strerror(status)); + return 1; + } + + /* Initiate the queries, one per command-line argument. */ + for ( ; *argv; argv++) + { + if (ares_inet_pton(AF_INET, *argv, &addr4) == 1) + { + ares_gethostbyaddr(channel, &addr4, sizeof(addr4), AF_INET, callback, + *argv); + } + else if (ares_inet_pton(AF_INET6, *argv, &addr6) == 1) + { + ares_gethostbyaddr(channel, &addr6, sizeof(addr6), AF_INET6, callback, + *argv); + } + else + { + ares_gethostbyname(channel, *argv, addr_family, callback, *argv); + } + } + + /* Wait for all queries to complete. */ + for (;;) + { int res; - FD_ZERO(&read_fds); - FD_ZERO(&write_fds); - nfds = ares_fds(channel, &read_fds, &write_fds); - if (nfds == 0) - break; - tvp = ares_timeout(channel, NULL, &tv); + FD_ZERO(&read_fds); + FD_ZERO(&write_fds); + nfds = ares_fds(channel, &read_fds, &write_fds); + if (nfds == 0) + break; + tvp = ares_timeout(channel, NULL, &tv); res = select(nfds, &read_fds, &write_fds, NULL, tvp); if (-1 == res) break; - ares_process(channel, &read_fds, &write_fds); - } - - ares_destroy(channel); - - ares_library_cleanup(); - -#ifdef USE_WINSOCK - WSACleanup(); -#endif - - return 0; -} - -static void callback(void *arg, int status, int timeouts, struct hostent *host) -{ - char **p; - - (void)timeouts; - - if (status != ARES_SUCCESS) - { - fprintf(stderr, "%s: %s\n", (char *) arg, ares_strerror(status)); - return; - } - - for (p = host->h_addr_list; *p; p++) - { - char addr_buf[46] = "??"; - - ares_inet_ntop(host->h_addrtype, *p, addr_buf, sizeof(addr_buf)); - printf("%-32s\t%s", host->h_name, addr_buf); -#if 0 - if (host->h_aliases[0]) - { - int i; - - printf (", Aliases: "); - for (i = 0; host->h_aliases[i]; i++) - printf("%s ", host->h_aliases[i]); - } -#endif - puts(""); - } -} - -static void usage(void) -{ + ares_process(channel, &read_fds, &write_fds); + } + + ares_destroy(channel); + + ares_library_cleanup(); + +#ifdef USE_WINSOCK + WSACleanup(); +#endif + + return 0; +} + +static void callback(void *arg, int status, int timeouts, struct hostent *host) +{ + char **p; + + (void)timeouts; + + if (status != ARES_SUCCESS) + { + fprintf(stderr, "%s: %s\n", (char *) arg, ares_strerror(status)); + return; + } + + for (p = host->h_addr_list; *p; p++) + { + char addr_buf[46] = "??"; + + ares_inet_ntop(host->h_addrtype, *p, addr_buf, sizeof(addr_buf)); + printf("%-32s\t%s", host->h_name, addr_buf); +#if 0 + if (host->h_aliases[0]) + { + int i; + + printf (", Aliases: "); + for (i = 0; host->h_aliases[i]; i++) + printf("%s ", host->h_aliases[i]); + } +#endif + puts(""); + } +} + +static void usage(void) +{ fprintf(stderr, "usage: ahost [-h] [-d] [-s {domain}] [-t {a|aaaa|u}] {host|addr} ...\n"); - exit(1); -} + exit(1); +} |