509 lines
10 KiB
C++
509 lines
10 KiB
C++
#include "amxmodx.h"
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#include "format.h"
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#include "amxmod_compat.h"
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//Adapted from Quake3's vsprintf
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// thanks to cybermind for linking me to this :)
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//I made the following changes:
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// - Fixed spacing to be AMX Mod X standard
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// - Added 'n' support, no buffer overflows
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// - Templatized input/output buffers
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#define ALT 0x00000001 /* alternate form */
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#define HEXPREFIX 0x00000002 /* add 0x or 0X prefix */
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#define LADJUST 0x00000004 /* left adjustment */
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#define LONGDBL 0x00000008 /* long double */
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#define LONGINT 0x00000010 /* long integer */
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#define QUADINT 0x00000020 /* quad integer */
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#define SHORTINT 0x00000040 /* short integer */
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#define ZEROPAD 0x00000080 /* zero (as opposed to blank) pad */
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#define FPT 0x00000100 /* floating point number */
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#define to_digit(c) ((c) - '0')
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#define is_digit(c) ((unsigned)to_digit(c) <= 9)
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#define to_char(n) ((n) + '0')
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#define CHECK_ARGS(n) \
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if ((arg+n) > args) { \
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LogError(amx, AMX_ERR_PARAMS, "String formatted incorrectly - parameter %d (total %d)", arg, args); \
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return 0; \
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}
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THash<String, lang_err> BadLang_Table;
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static cvar_t *amx_mldebug = NULL;
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static cvar_t *amx_cl_langs = NULL;
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const char *translate(AMX *amx, cell amxaddr, const char *key)
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{
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const char *pLangName = NULL;
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const char *def = NULL;
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int status;
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cell *addr = get_amxaddr(amx, amxaddr);
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char name[4];
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if (addr[0] == LANG_PLAYER)
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{
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if (!amx_cl_langs)
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amx_cl_langs = CVAR_GET_POINTER("amx_client_languages");
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if ( (int)amx_cl_langs->value == 0 )
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{
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pLangName = g_vault.get("server_language");
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} else {
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pLangName = ENTITY_KEYVALUE(GET_PLAYER_POINTER_I(g_langMngr.GetDefLang())->pEdict, "lang");
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}
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} else if (addr[0] == LANG_SERVER) {
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pLangName = g_vault.get("server_language");
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} else if (addr[0] >= 1 && addr[0] <= gpGlobals->maxClients) {
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if (!amx_cl_langs)
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amx_cl_langs = CVAR_GET_POINTER("amx_client_languages");
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if ( (int)amx_cl_langs->value == 0 )
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{
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pLangName = g_vault.get("server_language");
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} else {
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pLangName = ENTITY_KEYVALUE(GET_PLAYER_POINTER_I(addr[0])->pEdict, "lang");
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}
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} else {
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get_amxstring_r(amx, amxaddr, name, 3);
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pLangName = name;
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}
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if (!pLangName || !isalpha(pLangName[0]))
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pLangName = "en";
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//next parameter!
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def = g_langMngr.GetDef(pLangName, key, status);
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if (!amx_mldebug)
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amx_mldebug = CVAR_GET_POINTER("amx_mldebug");
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bool debug = (amx_mldebug && amx_mldebug->string && (amx_mldebug->string[0] != '\0'));
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if (debug)
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{
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int debug_status;
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bool validlang = true;
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const char *testlang = amx_mldebug->string;
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if (!g_langMngr.LangExists(testlang))
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{
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AMXXLOG_Error("[AMXX] \"%s\" is an invalid debug language", testlang);
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validlang = false;
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}
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g_langMngr.GetDef(testlang, key, debug_status);
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if (validlang && debug_status == ERR_BADKEY)
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AMXXLOG_Error("[AMXX] Language key \"%s\" not found for language \"%s\", check \"%s\"", key, testlang, GetFileName(amx));
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}
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if (def == NULL)
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{
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if (debug)
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{
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if (status == ERR_BADLANG && (BadLang_Table.AltFindOrInsert(pLangName).last + 120.0f < gpGlobals->time))
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{
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AMXXLOG_Error("[AMXX] Language \"%s\" not found", pLangName);
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BadLang_Table.AltFindOrInsert(pLangName).last = gpGlobals->time;
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}
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}
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if (addr[0] != LANG_SERVER)
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def = g_langMngr.GetDef(g_vault.get("server_language"), key, status);
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if (!def && (strcmp(pLangName, "en") != 0 && strcmp(g_vault.get("server_language"), "en") != 0))
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def = g_langMngr.GetDef("en", key, status);
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}
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return def;
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}
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template <typename U>
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void AddString(U **buf_p, size_t &maxlen, const cell *string, int width, int prec)
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{
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int size = 0;
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U *buf;
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static cell nlstr[] = {'(','n','u','l','l',')','\0'};
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buf = *buf_p;
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if (string == NULL)
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{
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string = nlstr;
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prec = -1;
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}
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if (prec >= 0)
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{
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for (size = 0; size < prec; size++)
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{
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if (string[size] == '\0')
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break;
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}
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} else {
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while (string[size++]) ;
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size--;
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}
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if (size > (int)maxlen)
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size = maxlen;
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maxlen -= size;
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width -= size;
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while (size--)
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*buf++ = static_cast<U>(*string++);
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while (width-- > 0 && maxlen)
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{
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*buf++ = ' ';
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maxlen--;
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}
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*buf_p = buf;
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}
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template <typename U>
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void AddFloat(U **buf_p, size_t &maxlen, double fval, int width, int prec)
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{
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U text[32];
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int digits;
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double signedVal;
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U *buf;
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int val;
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// get the sign
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signedVal = fval;
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if (fval < 0)
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fval = -fval;
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// write the float number
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digits = 0;
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val = (int)fval;
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do {
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text[digits++] = '0' + val % 10;
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val /= 10;
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} while (val);
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if (signedVal < 0)
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text[digits++] = '-';
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buf = *buf_p;
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while (digits < width && maxlen)
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{
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*buf++ = ' ';
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width--;
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maxlen--;
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}
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while (digits-- && maxlen)
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{
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*buf++ = text[digits];
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maxlen--;
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}
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*buf_p = buf;
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if (prec < 0)
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prec = 6;
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// write the fraction
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digits = 0;
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while (digits < prec)
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{
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fval -= (int) fval;
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fval *= 10.0;
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val = (int) fval;
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text[digits++] = '0' + val % 10;
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}
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if (digits > 0 && maxlen)
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{
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buf = *buf_p;
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*buf++ = '.';
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maxlen--;
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for (prec = 0; maxlen && prec < digits; prec++)
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{
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*buf++ = text[prec];
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maxlen--;
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}
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*buf_p = buf;
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}
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}
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template <typename U>
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void AddUInt(U **buf_p, size_t &maxlen, unsigned int val, int width, int flags)
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{
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U text[32];
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int digits;
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U *buf;
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digits = 0;
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do {
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text[digits++] = '0' + val % 10;
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val /= 10;
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} while (val);
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buf = *buf_p;
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if( !(flags & LADJUST) )
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{
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while (digits < width && maxlen)
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{
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*buf++ = (flags & ZEROPAD) ? '0' : ' ';
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width--;
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maxlen--;
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}
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}
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while (digits-- && maxlen)
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{
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*buf++ = text[digits];
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width--;
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maxlen--;
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}
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if (flags & LADJUST)
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{
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while (width-- && maxlen)
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{
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*buf++ = (flags & ZEROPAD) ? '0' : ' ';
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maxlen--;
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}
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}
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*buf_p = buf;
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}
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template <typename U>
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void AddInt(U **buf_p, size_t &maxlen, int val, int width, int flags)
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{
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U text[32];
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int digits;
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int signedVal;
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U *buf;
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unsigned int unsignedVal;
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digits = 0;
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signedVal = val;
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if (val < 0)
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{
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/* we want the unsigned version */
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unsignedVal = abs(val);
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} else {
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unsignedVal = val;
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}
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do {
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text[digits++] = '0' + unsignedVal % 10;
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unsignedVal /= 10;
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} while (unsignedVal);
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if (signedVal < 0)
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text[digits++] = '-';
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buf = *buf_p;
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if( !(flags & LADJUST) )
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{
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while (digits < width && maxlen)
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{
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*buf++ = (flags & ZEROPAD) ? '0' : ' ';
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width--;
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maxlen--;
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}
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}
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while (digits-- && maxlen)
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{
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*buf++ = text[digits];
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width--;
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maxlen--;
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}
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if (flags & LADJUST)
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{
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while (width-- && maxlen)
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{
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*buf++ = (flags & ZEROPAD) ? '0' : ' ';
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maxlen--;
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}
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}
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*buf_p = buf;
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}
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template <typename D, typename S>
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size_t atcprintf(D *buffer, size_t maxlen, const S *format, AMX *amx, cell *params, int *param)
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{
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int arg;
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int args = params[0] / sizeof(cell);
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D *buf_p;
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D ch;
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int flags;
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int width;
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int prec;
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int n;
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char sign;
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const S *fmt;
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size_t llen = maxlen;
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buf_p = buffer;
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arg = *param;
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fmt = format;
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while (true)
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{
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// run through the format string until we hit a '%' or '\0'
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for (ch = static_cast<D>(*fmt);
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llen && ((ch = static_cast<D>(*fmt)) != '\0' && ch != '%');
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fmt++)
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{
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*buf_p++ = static_cast<D>(ch);
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llen--;
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}
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if (ch == '\0' || llen <= 0)
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goto done;
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// skip over the '%'
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fmt++;
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// reset formatting state
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flags = 0;
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width = 0;
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prec = -1;
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sign = '\0';
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rflag:
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ch = static_cast<D>(*fmt++);
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reswitch:
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switch(ch)
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{
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case '-':
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flags |= LADJUST;
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goto rflag;
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case '.':
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n = 0;
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while( is_digit( ( ch = static_cast<D>(*fmt++)) ) )
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n = 10 * n + ( ch - '0' );
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prec = n < 0 ? -1 : n;
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goto reswitch;
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case '0':
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flags |= ZEROPAD;
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goto rflag;
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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n = 0;
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do {
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n = 10 * n + ( ch - '0' );
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ch = static_cast<D>(*fmt++);
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} while( is_digit( ch ) );
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width = n;
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goto reswitch;
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case 'c':
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CHECK_ARGS(0);
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*buf_p++ = static_cast<D>(*get_amxaddr(amx, params[arg]));
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arg++;
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break;
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case 'd':
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case 'i':
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CHECK_ARGS(0);
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AddInt(&buf_p, llen, *get_amxaddr(amx, params[arg]), width, flags);
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arg++;
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break;
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case 'u':
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CHECK_ARGS(0);
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AddUInt(&buf_p, llen, static_cast<unsigned int>(*get_amxaddr(amx, params[arg])), width, flags);
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arg++;
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break;
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case 'f':
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CHECK_ARGS(0);
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AddFloat(&buf_p, llen, amx_ctof(*get_amxaddr(amx, params[arg])), width, prec);
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arg++;
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break;
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case 's':
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CHECK_ARGS(0);
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if (amx->flags & AMX_FLAG_OLDFILE)
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{
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cell *addr = get_amxaddr(amx, params[arg]);
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if (*addr & BCOMPAT_TRANSLATE_BITS)
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{
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const char *key, *def;
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if (!translate_bcompat(amx, addr, &key, &def))
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{
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goto break_to_normal_string;
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}
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arg++;
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size_t written = atcprintf(buf_p, llen, def, amx, params, &arg);
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buf_p += written;
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llen -= written;
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break;
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}
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}
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break_to_normal_string:
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AddString(&buf_p, llen, get_amxaddr(amx, params[arg]), width, prec);
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arg++;
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break;
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case 'L':
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{
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CHECK_ARGS(1);
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cell addr = params[arg++];
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int len;
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const char *key = get_amxstring(amx, params[arg++], 3, len);
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const char *def = translate(amx, addr, key);
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if (!def)
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{
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static char buf[255];
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snprintf(buf, sizeof(buf)-1, "ML_NOTFOUND: %s", key);
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def = buf;
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}
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size_t written = atcprintf(buf_p, llen, def, amx, params, &arg);
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buf_p += written;
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llen -= written;
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break;
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}
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case '%':
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*buf_p++ = static_cast<D>(ch);
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if (!llen)
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goto done;
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llen--;
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break;
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case '\0':
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*buf_p++ = static_cast<D>('%');
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if (!llen)
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goto done;
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llen--;
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goto done;
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break;
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default:
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*buf_p++ = static_cast<D>(ch);
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if (!llen)
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goto done;
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llen--;
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break;
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}
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}
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done:
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*buf_p = static_cast<D>(0);
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*param = arg;
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return maxlen-llen;
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}
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/**
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* HACKHACK: The compiler will generate code for each case we need.
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* Don't remove this, otherwise files that use certain code generations
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* will have extern problems. For each case you need, add dummy code
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* here.
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*/
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void __WHOA_DONT_CALL_ME_PLZ_K_lol_o_O()
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{
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//acsprintf
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atcprintf((cell *)NULL, 0, (const char *)NULL, NULL, NULL, NULL);
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//accprintf
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atcprintf((cell *)NULL, 0, (cell *)NULL, NULL, NULL, NULL);
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//ascprintf
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atcprintf((char *)NULL, 0, (cell *)NULL, NULL, NULL, NULL);
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}
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