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#include "irc_nm.h"

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#include <string.h>

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/**

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 * Compare two nicknames

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 */

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int irc_cmp_nick (const char *nick1, const char *nick2)

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{

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    // XXX: just use strcasecmp for now

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    return strcasecmp(nick1, nick2);

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}

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int irc_ncmp_nick (const char *nick1, const char *nick2, size_t n)

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{

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    // XXX: just use strncasecmp for now

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    return strncasecmp(nick1, nick2, n);

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}

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err_t irc_prefix_parse_nick (const char *prefix, char nick[IRC_NICK_MAX])

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{

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    const char *bang;

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    // find the !

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    if ((bang = strchr(prefix, '!')) == NULL)

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        return ERR_INVALID_NM;

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    // too long?

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    if (bang - prefix > IRC_NICK_MAX - 1)

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        return ERR_INVALID_NICK_LENGTH;

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    // copy up to the !

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    memcpy(nick, prefix, bang - prefix);

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    // terminating NUL

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    nick[bang - prefix] = '\0';

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    // ok

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    return SUCCESS;

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}

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int irc_prefix_cmp_nick (const char *prefix, const char *nick)

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{

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    const char *bang;

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    // find the !

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    if ((bang = strchr(prefix, '!')) == NULL)

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        return -ERR_INVALID_NM;

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    // compare up to that

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    if (irc_ncmp_nick(prefix, nick, (bang - prefix)) == 0)

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        // match

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        return 0;

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    else

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        // doesn't match

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        return 1;

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}