int vsnprintf(char *buf, size_t n, const char *fmt, va_list args) { FILE f; struct buffer_file_ctx ctx; buffer_file_init(&f, &ctx, buf, n); return vfprintf(&f, fmt, args); }
int vsnprintf(char *buf, size_t n, const char *fmt, va_list args) { FILE f; struct buffer_file_ctx ctx; buffer_file_init(&f, &ctx, buf, n); vfprintf(&f, fmt, args); // null terminate buf[ctx.len] = 0; return ctx.len - 1; }
int cli_main(int argc, char* argv[]) { const char* server_name = 0; const char* env; msg_debug_init(); encr_start(); prep_sender(); service = argv[0]; if (argc > 1 && argv[1][0] != '-' && argv[1][0] != '+') { server_name = argv[1]; ++argv; --argc; } if (argc > 1) load_patterns(argv + 1); if (server_name == 0 && (server_name = getenv("SERVER")) == 0) die1(1, "Server address not named on command line nor in $SERVER"); if (!resolve_ipv4name(server_name, &ip)) die3(1, "Could not resolve '", server_name, "'"); brandom_init(); if ((env = getenv("KEYDIR")) != 0) keydir = env; load_keys(server_name); if ((env = getenv("PORT")) != 0) port = strtoul(env, 0, 10); if (port == 0) port = 11014; if ((sock = socket_udp()) == -1) die1sys(1, "Could not create UDP socket"); if (!socket_connect4(sock, &ip, port)) die1sys(1, "Could not bind socket"); if (!str_ready(&packet, 65535) || !str_ready(&rpacket, 4+4+8+256*5)) die1(1, "Out of memory"); getenvu("ACK_TIMEOUT", &ack_timeout); getenvu("CID_TIMEOUT", &cid_timeout); getenvu("RETRANSMITS", &retransmits); getenvu("READWAIT", &readwait); getenvu("STARTLINES", &startlines); if (getenv("EXITONEOF") != 0) exitoneof = 1; if (getenv("NOFILES") == 0 && getenv("NOFILE") == 0) buffer = buffer_file_init(); else buffer = buffer_nofile_init(); sig_all_catch(sigfn); exitasap = 0; mainloop(); return 0; }