283 lines
6.7 KiB
C
283 lines
6.7 KiB
C
/* Copyright (C) 2020 C. McEnroe <june@causal.agency>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <assert.h>
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#include <err.h>
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#include <getopt.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <sysexits.h>
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#include <time.h>
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#include <wchar.h>
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#define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0]))
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#define BIT(x) x##Bit, x = 1 << x##Bit, x##Bit_ = x##Bit
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typedef unsigned uint;
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typedef unsigned char byte;
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static inline void __attribute__((format(printf, 3, 4)))
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catf(char *buf, size_t cap, const char *format, ...) {
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size_t len = strnlen(buf, cap);
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va_list ap;
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va_start(ap, format);
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assert(0 <= vsnprintf(&buf[len], cap - len, format, ap));
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va_end(ap);
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}
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enum Color {
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White, Black, Blue, Green, Red, Brown, Magenta, Orange,
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Yellow, LightGreen, Cyan, LightCyan, LightBlue, Pink, Gray, LightGray,
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Default = 99,
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ColorCap,
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};
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enum { None, Debug, Network, IDCap = 256 };
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extern char *idNames[IDCap];
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extern enum Color idColors[IDCap];
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extern uint idNext;
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static inline uint idFind(const char *name) {
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for (uint id = 0; id < idNext; ++id) {
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if (!strcmp(idNames[id], name)) return id;
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}
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return None;
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}
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static inline uint idFor(const char *name) {
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uint id = idFind(name);
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if (id) return id;
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if (idNext == IDCap) return Network;
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idNames[idNext] = strdup(name);
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idColors[idNext] = Default;
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if (!idNames[idNext]) err(EX_OSERR, "strdup");
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return idNext++;
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}
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extern uint32_t hashInit;
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static inline enum Color hash(const char *str) {
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if (*str == '~') str++;
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uint32_t hash = hashInit;
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for (; *str; ++str) {
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hash = (hash << 5) | (hash >> 27);
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hash ^= *str;
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hash *= 0x27220A95;
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}
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return Blue + hash % 74;
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}
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extern struct Network {
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char *name;
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uint userLen;
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uint hostLen;
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char *chanTypes;
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char *prefixes;
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char *prefixModes;
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char *listModes;
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char *paramModes;
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char *setParamModes;
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char *channelModes;
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char excepts;
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char invex;
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} network;
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#define ENUM_CAP \
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X("causal.agency/consumer", CapConsumer) \
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X("chghost", CapChghost) \
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X("extended-join", CapExtendedJoin) \
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X("invite-notify", CapInviteNotify) \
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X("multi-prefix", CapMultiPrefix) \
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X("sasl", CapSASL) \
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X("server-time", CapServerTime) \
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X("userhost-in-names", CapUserhostInNames)
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enum Cap {
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#define X(name, id) BIT(id),
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ENUM_CAP
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#undef X
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};
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extern struct Self {
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bool debug;
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bool restricted;
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size_t pos;
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enum Cap caps;
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char *plain;
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char *join;
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char *nick;
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char *user;
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char *host;
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enum Color color;
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char *quit;
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} self;
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static inline void set(char **field, const char *value) {
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free(*field);
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*field = strdup(value);
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if (!*field) err(EX_OSERR, "strdup");
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}
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#define ENUM_TAG \
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X("causal.agency/pos", TagPos) \
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X("time", TagTime)
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enum Tag {
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#define X(name, id) id,
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ENUM_TAG
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#undef X
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TagCap,
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};
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enum { ParamCap = 15 };
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struct Message {
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char *tags[TagCap];
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char *nick;
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char *user;
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char *host;
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char *cmd;
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char *params[ParamCap];
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};
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void ircConfig(bool insecure, FILE *cert, FILE *priv);
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int ircConnect(const char *bind, const char *host, const char *port);
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void ircRecv(void);
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void ircSend(const char *ptr, size_t len);
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void ircFormat(const char *format, ...)
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__attribute__((format(printf, 1, 2)));
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void ircClose(void);
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uint execID;
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int execPipe[2];
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int utilPipe[2];
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enum { UtilCap = 16 };
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struct Util {
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uint argc;
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const char *argv[UtilCap];
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};
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static inline void utilPush(struct Util *util, const char *arg) {
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if (1 + util->argc < UtilCap) {
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util->argv[util->argc++] = arg;
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} else {
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errx(EX_CONFIG, "too many utility arguments");
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}
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}
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extern struct Replies {
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uint away;
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uint ban;
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uint excepts;
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uint invex;
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uint join;
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uint list;
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uint mode;
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uint names;
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uint topic;
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uint whois;
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} replies;
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void handle(struct Message msg);
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void command(uint id, char *input);
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const char *commandIsPrivmsg(uint id, const char *input);
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const char *commandIsNotice(uint id, const char *input);
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const char *commandIsAction(uint id, const char *input);
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void commandCompleteAdd(void);
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enum Heat { Cold, Warm, Hot };
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extern struct Util uiNotifyUtil;
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void uiInit(void);
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void uiShow(void);
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void uiHide(void);
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void uiDraw(void);
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void uiShowID(uint id);
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void uiShowNum(uint num);
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void uiMoveID(uint id, uint num);
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void uiCloseID(uint id);
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void uiCloseNum(uint id);
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void uiRead(void);
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void uiWrite(uint id, enum Heat heat, const time_t *time, const char *str);
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void uiFormat(
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uint id, enum Heat heat, const time_t *time, const char *format, ...
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) __attribute__((format(printf, 4, 5)));
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void uiLoad(const char *name);
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int uiSave(const char *name);
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enum Edit {
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EditHead,
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EditTail,
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EditPrev,
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EditNext,
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EditPrevWord,
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EditNextWord,
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EditDeleteHead,
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EditDeleteTail,
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EditDeletePrev,
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EditDeleteNext,
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EditDeletePrevWord,
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EditDeleteNextWord,
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EditPaste,
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EditTranspose,
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EditInsert,
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EditComplete,
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EditExpand,
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EditEnter,
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};
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void edit(uint id, enum Edit op, wchar_t ch);
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char *editBuffer(size_t *pos);
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void editCompleteAdd(void);
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const char *complete(uint id, const char *prefix);
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void completeAccept(void);
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void completeReject(void);
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void completeAdd(uint id, const char *str, enum Color color);
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void completeTouch(uint id, const char *str, enum Color color);
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void completeReplace(uint id, const char *old, const char *new);
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void completeRemove(uint id, const char *str);
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void completeClear(uint id);
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uint completeID(const char *str);
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enum Color completeColor(uint id, const char *str);
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extern struct Util urlOpenUtil;
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extern struct Util urlCopyUtil;
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void urlScan(uint id, const char *nick, const char *mesg);
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void urlOpenCount(uint id, uint count);
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void urlOpenMatch(uint id, const char *str);
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void urlCopyMatch(uint id, const char *str);
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extern bool logEnable;
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void logFormat(uint id, const time_t *time, const char *format, ...)
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__attribute__((format(printf, 3, 4)));
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void logClose(void);
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FILE *configOpen(const char *path, const char *mode);
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FILE *dataOpen(const char *path, const char *mode);
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void dataMkdir(const char *path);
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int getopt_config(
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int argc, char *const *argv,
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const char *optstring, const struct option *longopts, int *longindex
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);
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// Defined in libcrypto if missing from libc:
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void explicit_bzero(void *b, size_t len);
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#ifndef strlcat
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size_t strlcat(char *restrict dst, const char *restrict src, size_t dstsize);
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#endif
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