/* * PSYC Manager Daemon, src/psycsprintf.cc * Copyright (C) 2001 Mark Ralf Thomson (not for *this* File) * * * Author (of *this* File content): * * 1024/624ACAD5 1997/01/26 Carlo Wood, Run on IRC * Key fingerprint = 32 EC A7 B6 AC DB 65 A6 F6 F6 55 DD 1C DC FF 61 * Get key from pgp-public-keys server or * finger carlo@runaway.xs4all.nl for public key (dialin, try at 21-22h GMT). * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include "psycsprintf.h" /* base64 function imported from aln.c from the orginal ircd */ /* ':' and '#' and '&' and '+' and '@' must never be in this table. */ /* these tables must NEVER CHANGE! >) */ char int6_to_base64_map[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '}' }; static inline char *int_to_base64(long val) { /* 32/6 == max 6 bytes for representation, * +1 for the null, +1 for byte boundaries */ static char base64buf[8]; long i = 7; base64buf[i] = '\0'; do { base64buf[--i] = int6_to_base64_map[val & 63]; } while (val >>= 6); return base64buf + i; } char *xbase64enc(long i) { return int_to_base64(i); } const char atoi_tab[4000] = { '0','0','0',0, '0','0','1',0, '0','0','2',0, '0','0','3',0, '0','0','4',0, '0','0','5',0, '0','0','6',0, '0','0','7',0, '0','0','8',0, '0','0','9',0, '0','1','0',0, '0','1','1',0, '0','1','2',0, '0','1','3',0, '0','1','4',0, '0','1','5',0, '0','1','6',0, '0','1','7',0, '0','1','8',0, '0','1','9',0, '0','2','0',0, '0','2','1',0, '0','2','2',0, '0','2','3',0, '0','2','4',0, '0','2','5',0, '0','2','6',0, '0','2','7',0, '0','2','8',0, '0','2','9',0, '0','3','0',0, '0','3','1',0, '0','3','2',0, '0','3','3',0, '0','3','4',0, '0','3','5',0, '0','3','6',0, '0','3','7',0, '0','3','8',0, '0','3','9',0, '0','4','0',0, '0','4','1',0, '0','4','2',0, '0','4','3',0, '0','4','4',0, '0','4','5',0, '0','4','6',0, '0','4','7',0, '0','4','8',0, '0','4','9',0, '0','5','0',0, '0','5','1',0, '0','5','2',0, '0','5','3',0, '0','5','4',0, '0','5','5',0, '0','5','6',0, '0','5','7',0, '0','5','8',0, '0','5','9',0, '0','6','0',0, '0','6','1',0, '0','6','2',0, '0','6','3',0, '0','6','4',0, '0','6','5',0, '0','6','6',0, '0','6','7',0, '0','6','8',0, '0','6','9',0, '0','7','0',0, '0','7','1',0, '0','7','2',0, '0','7','3',0, '0','7','4',0, '0','7','5',0, '0','7','6',0, '0','7','7',0, '0','7','8',0, '0','7','9',0, '0','8','0',0, '0','8','1',0, '0','8','2',0, '0','8','3',0, '0','8','4',0, '0','8','5',0, '0','8','6',0, '0','8','7',0, '0','8','8',0, '0','8','9',0, '0','9','0',0, '0','9','1',0, '0','9','2',0, '0','9','3',0, '0','9','4',0, '0','9','5',0, '0','9','6',0, '0','9','7',0, '0','9','8',0, '0','9','9',0, '1','0','0',0, '1','0','1',0, '1','0','2',0, '1','0','3',0, '1','0','4',0, '1','0','5',0, '1','0','6',0, '1','0','7',0, '1','0','8',0, '1','0','9',0, '1','1','0',0, '1','1','1',0, '1','1','2',0, '1','1','3',0, '1','1','4',0, '1','1','5',0, '1','1','6',0, '1','1','7',0, '1','1','8',0, '1','1','9',0, '1','2','0',0, '1','2','1',0, '1','2','2',0, '1','2','3',0, '1','2','4',0, '1','2','5',0, '1','2','6',0, '1','2','7',0, '1','2','8',0, '1','2','9',0, '1','3','0',0, '1','3','1',0, '1','3','2',0, '1','3','3',0, '1','3','4',0, '1','3','5',0, '1','3','6',0, '1','3','7',0, '1','3','8',0, '1','3','9',0, '1','4','0',0, '1','4','1',0, '1','4','2',0, '1','4','3',0, '1','4','4',0, '1','4','5',0, '1','4','6',0, '1','4','7',0, '1','4','8',0, '1','4','9',0, '1','5','0',0, '1','5','1',0, '1','5','2',0, '1','5','3',0, '1','5','4',0, '1','5','5',0, '1','5','6',0, '1','5','7',0, '1','5','8',0, '1','5','9',0, '1','6','0',0, '1','6','1',0, '1','6','2',0, '1','6','3',0, '1','6','4',0, '1','6','5',0, '1','6','6',0, '1','6','7',0, '1','6','8',0, '1','6','9',0, '1','7','0',0, '1','7','1',0, '1','7','2',0, '1','7','3',0, '1','7','4',0, '1','7','5',0, '1','7','6',0, '1','7','7',0, '1','7','8',0, '1','7','9',0, '1','8','0',0, '1','8','1',0, '1','8','2',0, '1','8','3',0, '1','8','4',0, '1','8','5',0, '1','8','6',0, '1','8','7',0, '1','8','8',0, '1','8','9',0, '1','9','0',0, '1','9','1',0, '1','9','2',0, '1','9','3',0, '1','9','4',0, '1','9','5',0, '1','9','6',0, '1','9','7',0, '1','9','8',0, '1','9','9',0, '2','0','0',0, '2','0','1',0, '2','0','2',0, '2','0','3',0, '2','0','4',0, '2','0','5',0, '2','0','6',0, '2','0','7',0, '2','0','8',0, '2','0','9',0, '2','1','0',0, '2','1','1',0, '2','1','2',0, '2','1','3',0, '2','1','4',0, '2','1','5',0, '2','1','6',0, '2','1','7',0, '2','1','8',0, '2','1','9',0, '2','2','0',0, '2','2','1',0, '2','2','2',0, '2','2','3',0, '2','2','4',0, '2','2','5',0, '2','2','6',0, '2','2','7',0, '2','2','8',0, '2','2','9',0, '2','3','0',0, '2','3','1',0, '2','3','2',0, '2','3','3',0, '2','3','4',0, '2','3','5',0, '2','3','6',0, '2','3','7',0, '2','3','8',0, '2','3','9',0, '2','4','0',0, '2','4','1',0, '2','4','2',0, '2','4','3',0, '2','4','4',0, '2','4','5',0, '2','4','6',0, '2','4','7',0, '2','4','8',0, '2','4','9',0, '2','5','0',0, '2','5','1',0, '2','5','2',0, '2','5','3',0, '2','5','4',0, '2','5','5',0, '2','5','6',0, '2','5','7',0, '2','5','8',0, '2','5','9',0, '2','6','0',0, '2','6','1',0, '2','6','2',0, '2','6','3',0, '2','6','4',0, '2','6','5',0, '2','6','6',0, '2','6','7',0, '2','6','8',0, '2','6','9',0, '2','7','0',0, '2','7','1',0, '2','7','2',0, '2','7','3',0, '2','7','4',0, '2','7','5',0, '2','7','6',0, '2','7','7',0, '2','7','8',0, '2','7','9',0, '2','8','0',0, '2','8','1',0, '2','8','2',0, '2','8','3',0, '2','8','4',0, '2','8','5',0, '2','8','6',0, '2','8','7',0, '2','8','8',0, '2','8','9',0, '2','9','0',0, '2','9','1',0, '2','9','2',0, '2','9','3',0, '2','9','4',0, '2','9','5',0, '2','9','6',0, '2','9','7',0, '2','9','8',0, '2','9','9',0, '3','0','0',0, '3','0','1',0, '3','0','2',0, '3','0','3',0, '3','0','4',0, '3','0','5',0, '3','0','6',0, '3','0','7',0, '3','0','8',0, '3','0','9',0, '3','1','0',0, '3','1','1',0, '3','1','2',0, '3','1','3',0, '3','1','4',0, '3','1','5',0, '3','1','6',0, '3','1','7',0, '3','1','8',0, '3','1','9',0, '3','2','0',0, '3','2','1',0, '3','2','2',0, '3','2','3',0, '3','2','4',0, '3','2','5',0, '3','2','6',0, '3','2','7',0, '3','2','8',0, '3','2','9',0, '3','3','0',0, '3','3','1',0, '3','3','2',0, '3','3','3',0, '3','3','4',0, '3','3','5',0, '3','3','6',0, '3','3','7',0, '3','3','8',0, '3','3','9',0, '3','4','0',0, '3','4','1',0, '3','4','2',0, '3','4','3',0, '3','4','4',0, '3','4','5',0, '3','4','6',0, '3','4','7',0, '3','4','8',0, '3','4','9',0, '3','5','0',0, '3','5','1',0, '3','5','2',0, '3','5','3',0, '3','5','4',0, '3','5','5',0, '3','5','6',0, '3','5','7',0, '3','5','8',0, '3','5','9',0, '3','6','0',0, '3','6','1',0, '3','6','2',0, '3','6','3',0, '3','6','4',0, '3','6','5',0, '3','6','6',0, '3','6','7',0, '3','6','8',0, '3','6','9',0, '3','7','0',0, '3','7','1',0, '3','7','2',0, '3','7','3',0, '3','7','4',0, '3','7','5',0, '3','7','6',0, '3','7','7',0, '3','7','8',0, '3','7','9',0, '3','8','0',0, '3','8','1',0, '3','8','2',0, '3','8','3',0, '3','8','4',0, '3','8','5',0, '3','8','6',0, '3','8','7',0, '3','8','8',0, '3','8','9',0, '3','9','0',0, '3','9','1',0, '3','9','2',0, '3','9','3',0, '3','9','4',0, '3','9','5',0, '3','9','6',0, '3','9','7',0, '3','9','8',0, '3','9','9',0, '4','0','0',0, '4','0','1',0, '4','0','2',0, '4','0','3',0, '4','0','4',0, '4','0','5',0, '4','0','6',0, '4','0','7',0, '4','0','8',0, '4','0','9',0, '4','1','0',0, '4','1','1',0, '4','1','2',0, '4','1','3',0, '4','1','4',0, '4','1','5',0, '4','1','6',0, '4','1','7',0, '4','1','8',0, '4','1','9',0, '4','2','0',0, '4','2','1',0, '4','2','2',0, '4','2','3',0, '4','2','4',0, '4','2','5',0, '4','2','6',0, '4','2','7',0, '4','2','8',0, '4','2','9',0, '4','3','0',0, '4','3','1',0, '4','3','2',0, '4','3','3',0, '4','3','4',0, '4','3','5',0, '4','3','6',0, '4','3','7',0, '4','3','8',0, '4','3','9',0, '4','4','0',0, '4','4','1',0, '4','4','2',0, '4','4','3',0, '4','4','4',0, '4','4','5',0, '4','4','6',0, '4','4','7',0, '4','4','8',0, '4','4','9',0, '4','5','0',0, '4','5','1',0, '4','5','2',0, '4','5','3',0, '4','5','4',0, '4','5','5',0, '4','5','6',0, '4','5','7',0, '4','5','8',0, '4','5','9',0, '4','6','0',0, '4','6','1',0, '4','6','2',0, '4','6','3',0, '4','6','4',0, '4','6','5',0, '4','6','6',0, '4','6','7',0, '4','6','8',0, '4','6','9',0, '4','7','0',0, '4','7','1',0, '4','7','2',0, '4','7','3',0, '4','7','4',0, '4','7','5',0, '4','7','6',0, '4','7','7',0, '4','7','8',0, '4','7','9',0, '4','8','0',0, '4','8','1',0, '4','8','2',0, '4','8','3',0, '4','8','4',0, '4','8','5',0, '4','8','6',0, '4','8','7',0, '4','8','8',0, '4','8','9',0, '4','9','0',0, '4','9','1',0, '4','9','2',0, '4','9','3',0, '4','9','4',0, '4','9','5',0, '4','9','6',0, '4','9','7',0, '4','9','8',0, '4','9','9',0, '5','0','0',0, '5','0','1',0, '5','0','2',0, '5','0','3',0, '5','0','4',0, '5','0','5',0, '5','0','6',0, '5','0','7',0, '5','0','8',0, '5','0','9',0, '5','1','0',0, '5','1','1',0, '5','1','2',0, '5','1','3',0, '5','1','4',0, '5','1','5',0, '5','1','6',0, '5','1','7',0, '5','1','8',0, '5','1','9',0, '5','2','0',0, '5','2','1',0, '5','2','2',0, '5','2','3',0, '5','2','4',0, '5','2','5',0, '5','2','6',0, '5','2','7',0, '5','2','8',0, '5','2','9',0, '5','3','0',0, '5','3','1',0, '5','3','2',0, '5','3','3',0, '5','3','4',0, '5','3','5',0, '5','3','6',0, '5','3','7',0, '5','3','8',0, '5','3','9',0, '5','4','0',0, '5','4','1',0, '5','4','2',0, '5','4','3',0, '5','4','4',0, '5','4','5',0, '5','4','6',0, '5','4','7',0, '5','4','8',0, '5','4','9',0, '5','5','0',0, '5','5','1',0, '5','5','2',0, '5','5','3',0, '5','5','4',0, '5','5','5',0, '5','5','6',0, '5','5','7',0, '5','5','8',0, '5','5','9',0, '5','6','0',0, '5','6','1',0, '5','6','2',0, '5','6','3',0, '5','6','4',0, '5','6','5',0, '5','6','6',0, '5','6','7',0, '5','6','8',0, '5','6','9',0, '5','7','0',0, '5','7','1',0, '5','7','2',0, '5','7','3',0, '5','7','4',0, '5','7','5',0, '5','7','6',0, '5','7','7',0, '5','7','8',0, '5','7','9',0, '5','8','0',0, '5','8','1',0, '5','8','2',0, '5','8','3',0, '5','8','4',0, '5','8','5',0, '5','8','6',0, '5','8','7',0, '5','8','8',0, '5','8','9',0, '5','9','0',0, '5','9','1',0, '5','9','2',0, '5','9','3',0, '5','9','4',0, '5','9','5',0, '5','9','6',0, '5','9','7',0, '5','9','8',0, '5','9','9',0, '6','0','0',0, '6','0','1',0, '6','0','2',0, '6','0','3',0, '6','0','4',0, '6','0','5',0, '6','0','6',0, '6','0','7',0, '6','0','8',0, '6','0','9',0, '6','1','0',0, '6','1','1',0, '6','1','2',0, '6','1','3',0, '6','1','4',0, '6','1','5',0, '6','1','6',0, '6','1','7',0, '6','1','8',0, '6','1','9',0, '6','2','0',0, '6','2','1',0, '6','2','2',0, '6','2','3',0, '6','2','4',0, '6','2','5',0, '6','2','6',0, '6','2','7',0, '6','2','8',0, '6','2','9',0, '6','3','0',0, '6','3','1',0, '6','3','2',0, '6','3','3',0, '6','3','4',0, '6','3','5',0, '6','3','6',0, '6','3','7',0, '6','3','8',0, '6','3','9',0, '6','4','0',0, '6','4','1',0, '6','4','2',0, '6','4','3',0, '6','4','4',0, '6','4','5',0, '6','4','6',0, '6','4','7',0, '6','4','8',0, '6','4','9',0, '6','5','0',0, '6','5','1',0, '6','5','2',0, '6','5','3',0, '6','5','4',0, '6','5','5',0, '6','5','6',0, '6','5','7',0, '6','5','8',0, '6','5','9',0, '6','6','0',0, '6','6','1',0, '6','6','2',0, '6','6','3',0, '6','6','4',0, '6','6','5',0, '6','6','6',0, '6','6','7',0, '6','6','8',0, '6','6','9',0, '6','7','0',0, '6','7','1',0, '6','7','2',0, '6','7','3',0, '6','7','4',0, '6','7','5',0, '6','7','6',0, '6','7','7',0, '6','7','8',0, '6','7','9',0, '6','8','0',0, '6','8','1',0, '6','8','2',0, '6','8','3',0, '6','8','4',0, '6','8','5',0, '6','8','6',0, '6','8','7',0, '6','8','8',0, '6','8','9',0, '6','9','0',0, '6','9','1',0, '6','9','2',0, '6','9','3',0, '6','9','4',0, '6','9','5',0, '6','9','6',0, '6','9','7',0, '6','9','8',0, '6','9','9',0, '7','0','0',0, '7','0','1',0, '7','0','2',0, '7','0','3',0, '7','0','4',0, '7','0','5',0, '7','0','6',0, '7','0','7',0, '7','0','8',0, '7','0','9',0, '7','1','0',0, '7','1','1',0, '7','1','2',0, '7','1','3',0, '7','1','4',0, '7','1','5',0, '7','1','6',0, '7','1','7',0, '7','1','8',0, '7','1','9',0, '7','2','0',0, '7','2','1',0, '7','2','2',0, '7','2','3',0, '7','2','4',0, '7','2','5',0, '7','2','6',0, '7','2','7',0, '7','2','8',0, '7','2','9',0, '7','3','0',0, '7','3','1',0, '7','3','2',0, '7','3','3',0, '7','3','4',0, '7','3','5',0, '7','3','6',0, '7','3','7',0, '7','3','8',0, '7','3','9',0, '7','4','0',0, '7','4','1',0, '7','4','2',0, '7','4','3',0, '7','4','4',0, '7','4','5',0, '7','4','6',0, '7','4','7',0, '7','4','8',0, '7','4','9',0, '7','5','0',0, '7','5','1',0, '7','5','2',0, '7','5','3',0, '7','5','4',0, '7','5','5',0, '7','5','6',0, '7','5','7',0, '7','5','8',0, '7','5','9',0, '7','6','0',0, '7','6','1',0, '7','6','2',0, '7','6','3',0, '7','6','4',0, '7','6','5',0, '7','6','6',0, '7','6','7',0, '7','6','8',0, '7','6','9',0, '7','7','0',0, '7','7','1',0, '7','7','2',0, '7','7','3',0, '7','7','4',0, '7','7','5',0, '7','7','6',0, '7','7','7',0, '7','7','8',0, '7','7','9',0, '7','8','0',0, '7','8','1',0, '7','8','2',0, '7','8','3',0, '7','8','4',0, '7','8','5',0, '7','8','6',0, '7','8','7',0, '7','8','8',0, '7','8','9',0, '7','9','0',0, '7','9','1',0, '7','9','2',0, '7','9','3',0, '7','9','4',0, '7','9','5',0, '7','9','6',0, '7','9','7',0, '7','9','8',0, '7','9','9',0, '8','0','0',0, '8','0','1',0, '8','0','2',0, '8','0','3',0, '8','0','4',0, '8','0','5',0, '8','0','6',0, '8','0','7',0, '8','0','8',0, '8','0','9',0, '8','1','0',0, '8','1','1',0, '8','1','2',0, '8','1','3',0, '8','1','4',0, '8','1','5',0, '8','1','6',0, '8','1','7',0, '8','1','8',0, '8','1','9',0, '8','2','0',0, '8','2','1',0, '8','2','2',0, '8','2','3',0, '8','2','4',0, '8','2','5',0, '8','2','6',0, '8','2','7',0, '8','2','8',0, '8','2','9',0, '8','3','0',0, '8','3','1',0, '8','3','2',0, '8','3','3',0, '8','3','4',0, '8','3','5',0, '8','3','6',0, '8','3','7',0, '8','3','8',0, '8','3','9',0, '8','4','0',0, '8','4','1',0, '8','4','2',0, '8','4','3',0, '8','4','4',0, '8','4','5',0, '8','4','6',0, '8','4','7',0, '8','4','8',0, '8','4','9',0, '8','5','0',0, '8','5','1',0, '8','5','2',0, '8','5','3',0, '8','5','4',0, '8','5','5',0, '8','5','6',0, '8','5','7',0, '8','5','8',0, '8','5','9',0, '8','6','0',0, '8','6','1',0, '8','6','2',0, '8','6','3',0, '8','6','4',0, '8','6','5',0, '8','6','6',0, '8','6','7',0, '8','6','8',0, '8','6','9',0, '8','7','0',0, '8','7','1',0, '8','7','2',0, '8','7','3',0, '8','7','4',0, '8','7','5',0, '8','7','6',0, '8','7','7',0, '8','7','8',0, '8','7','9',0, '8','8','0',0, '8','8','1',0, '8','8','2',0, '8','8','3',0, '8','8','4',0, '8','8','5',0, '8','8','6',0, '8','8','7',0, '8','8','8',0, '8','8','9',0, '8','9','0',0, '8','9','1',0, '8','9','2',0, '8','9','3',0, '8','9','4',0, '8','9','5',0, '8','9','6',0, '8','9','7',0, '8','9','8',0, '8','9','9',0, '9','0','0',0, '9','0','1',0, '9','0','2',0, '9','0','3',0, '9','0','4',0, '9','0','5',0, '9','0','6',0, '9','0','7',0, '9','0','8',0, '9','0','9',0, '9','1','0',0, '9','1','1',0, '9','1','2',0, '9','1','3',0, '9','1','4',0, '9','1','5',0, '9','1','6',0, '9','1','7',0, '9','1','8',0, '9','1','9',0, '9','2','0',0, '9','2','1',0, '9','2','2',0, '9','2','3',0, '9','2','4',0, '9','2','5',0, '9','2','6',0, '9','2','7',0, '9','2','8',0, '9','2','9',0, '9','3','0',0, '9','3','1',0, '9','3','2',0, '9','3','3',0, '9','3','4',0, '9','3','5',0, '9','3','6',0, '9','3','7',0, '9','3','8',0, '9','3','9',0, '9','4','0',0, '9','4','1',0, '9','4','2',0, '9','4','3',0, '9','4','4',0, '9','4','5',0, '9','4','6',0, '9','4','7',0, '9','4','8',0, '9','4','9',0, '9','5','0',0, '9','5','1',0, '9','5','2',0, '9','5','3',0, '9','5','4',0, '9','5','5',0, '9','5','6',0, '9','5','7',0, '9','5','8',0, '9','5','9',0, '9','6','0',0, '9','6','1',0, '9','6','2',0, '9','6','3',0, '9','6','4',0, '9','6','5',0, '9','6','6',0, '9','6','7',0, '9','6','8',0, '9','6','9',0, '9','7','0',0, '9','7','1',0, '9','7','2',0, '9','7','3',0, '9','7','4',0, '9','7','5',0, '9','7','6',0, '9','7','7',0, '9','7','8',0, '9','7','9',0, '9','8','0',0, '9','8','1',0, '9','8','2',0, '9','8','3',0, '9','8','4',0, '9','8','5',0, '9','8','6',0, '9','8','7',0, '9','8','8',0, '9','8','9',0, '9','9','0',0, '9','9','1',0, '9','9','2',0, '9','9','3',0, '9','9','4',0, '9','9','5',0, '9','9','6',0, '9','9','7',0, '9','9','8',0, '9','9','9',0 }; /* *INDENT-ON* */ static char scratch_buffer[32]; /* * sprintf_irc * * sprintf_irc is optimized for the formats: %c, %s, %lu, %d and %u. * Where %lu actually equals %l09u (for printing time_t timestamps). * * sprintf_irc is NOT optimized for any other format and resorts to using * the normal sprintf when it encounters a format it doesn't understand * (including padding, width, precision etc). * * The following benchmark was measured on a PPro200 with linux 2.0.30, * libc 5.4.28, compiled with gcc-2.7.2.1 with -O3. * * Format sprintf sprintf_irc Speed up factor * * "12345678901234567890" 3.385 us 0.859 us 3.94 * "%s", buffer (20 chars) 3.780 us 0.547 us 6.91 * "%c%c%c", c1, c2, c3 3.640 us 0.376 us 9.68 * "%lu", (time_t)t 5.851 us 0.842 us 6.95 * * Less important: * "%d", 31337 4.487 us 0.852 us 5.27 * "%u.%u.%u.%u", 9.069 us 2.431 us 3.73 * * Not used: * "%03d", 401 4.348 us * "%N" 0.216 us 20.13 * * --Run */ /* added _mg as max size (count strings and chars only) --Chronux Nov.2001 */ char *psycvsprintf(unsigned int _ms,char *str, const char *format, va_list vl) { char c; register unsigned int ms=_ms; /* a speed up? */ register unsigned int cs=0; unsigned int _si ; while ((c = *format++)) { if (c == '%') { c = *format++; /* May never be '\0' ! */ if (c == 'c') { if(cs+1 == ms) { *str == '\0'; return str; } *str++ = (char)va_arg(vl, int); cs++; continue; } if (c == 's') { const char *p1 = va_arg(vl, const char *); if ((*str = *p1)) { _si = strlen(p1); if((cs+_si) >= ms) { *str == '\0'; return str; } cs =+_si; while ((*++str = *++p1)); } continue; } if (c == 'l' && *format == 'u') /* Prints time_t value in interval [ 100000000 , 4294967295 ] Actually prints like "%09lu" */ { unsigned long v1, v2; const char *ap; ++format; v1 = va_arg(vl, unsigned long); /* Fixed to work with %lu == 0 --Stskeeps */ if (v1 == 0L) { *str++ = '0'; continue; } if (v1 < 6L) switch (v1) { case 0L: *str++ = '0'; continue; case 1L: *str++ = '1'; continue; case 2L: *str++ = '1'; continue; case 3L: *str++ = '1'; continue; case 4L: *str++ = '1'; continue; case 5L: *str++ = '1'; continue; } if (v1 > 999999999L) { v2 = v1 / 1000000000; v1 -= v2 * 1000000000; *str++ = '0' + v2; } v2 = v1 / 1000000; v1 -= v2 * 1000000; ap = atoi_tab + (v2 << 2); *str++ = *ap++; *str++ = *ap++; *str++ = *ap; v2 = v1 / 1000; v1 -= v2 * 1000; ap = atoi_tab + (v2 << 2); *str++ = *ap++; *str++ = *ap++; *str++ = *ap; ap = atoi_tab + (v1 << 2); *str++ = *ap++; *str++ = *ap++; *str++ = *ap; continue; } #if 0 /* Not used */ if (c == 'N') /* Prints "%03u" a numeric value in the range [ 0, 999 ], padded with zero's */ { unsigned int v1; const char *ap; v1 = va_arg(vl, unsigned int); ap = atoi_tab + (v1 << 2); *str++ = *ap++; *str++ = *ap++; *str++ = *ap; continue; } #endif /* Send base64 value */ if (c == 'b') { long v1; char *ap; v1 = va_arg(vl, long); for (ap = (char *) xbase64enc(v1); *ap; ap++) *str++ = *ap; continue; } if (c == 'B') { long v1; char *ap; v1 = va_arg(vl, long); *str++ = '!'; for (ap = (char *) xbase64enc(v1); *ap; ap++) *str++ = *ap; continue; } if (c == 'd') { unsigned int v1, v2; const char *ap; char *s = &scratch_buffer[sizeof(scratch_buffer) - 2]; v1 = va_arg(vl, int); if ((int)v1 <= 0) { if (v1 == 0) { *str++ = '0'; continue; } *str++ = '-'; v1 = -v1; } do { v2 = v1 / 1000; ap = atoi_tab + 2 + ((v1 - 1000 * v2) << 2); *s-- = *ap--; *s-- = *ap--; *s-- = *ap; } while ((v1 = v2) > 0); while ('0' == *++s); *str = *s; while ((*++str = *++s)); continue; } if (c == 'u') { unsigned int v1, v2; const char *ap; char *s = &scratch_buffer[sizeof(scratch_buffer) - 2]; v1 = va_arg(vl, unsigned int); if (v1 == 0) { *str++ = '0'; continue; } do { v2 = v1 / 1000; ap = atoi_tab + 2 + ((v1 - 1000 * v2) << 2); *s-- = *ap--; *s-- = *ap--; *s-- = *ap; } while ((v1 = v2) > 0); while ('0' == *++s); *str = *s; while ((*++str = *++s)); continue; } if (c != '%') { format -= 2; str += vsprintf(str, format, vl); break; } } *str++ = c; } *str = 0; return str; } /* added _mg as max size (count strings and chars only) --Chronux Nov.2001 */ char *psycsprintf(unsigned int _mg,char *str, const char *format, ...) { va_list vl; char *ret; va_start(vl, format); ret = psycvsprintf(_mg,str, format, vl); va_end(vl); return ret; }