1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Chris Torek. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 /* 36 * Flags used during conversion. 37 */ 38 #define ALT 0x001 /* alternate form */ 39 #define LADJUST 0x004 /* left adjustment */ 40 #define LONGDBL 0x008 /* long double */ 41 #define LONGINT 0x010 /* long integer */ 42 #define LLONGINT 0x020 /* long long integer */ 43 #define SHORTINT 0x040 /* short integer */ 44 #define ZEROPAD 0x080 /* zero (as opposed to blank) pad */ 45 #define FPT 0x100 /* Floating point number */ 46 #define GROUPING 0x200 /* use grouping ("'" flag) */ 47 /* C99 additional size modifiers: */ 48 #define SIZET 0x400 /* size_t */ 49 #define PTRDIFFT 0x800 /* ptrdiff_t */ 50 #define INTMAXT 0x1000 /* intmax_t */ 51 #define CHARINT 0x2000 /* print char using int format */ 52 #define FASTINT 0x4000 /* int_fastN_t */ 53 54 /* 55 * Macros for converting digits to letters and vice versa 56 */ 57 #define to_digit(c) ((c) - '0') 58 #define is_digit(c) ((unsigned)to_digit(c) <= 9) 59 #define to_char(n) ((n) + '0') 60 61 /* Size of the static argument table. */ 62 #define STATIC_ARG_TBL_SIZE 8 63 64 union arg { 65 int intarg; 66 u_int uintarg; 67 long longarg; 68 u_long ulongarg; 69 long long longlongarg; 70 unsigned long long ulonglongarg; 71 ptrdiff_t ptrdiffarg; 72 size_t sizearg; 73 intmax_t intmaxarg; 74 uintmax_t uintmaxarg; 75 void *pvoidarg; 76 char *pchararg; 77 signed char *pschararg; 78 short *pshortarg; 79 int *pintarg; 80 long *plongarg; 81 long long *plonglongarg; 82 ptrdiff_t *pptrdiffarg; 83 ssize_t *pssizearg; 84 intmax_t *pintmaxarg; 85 #ifndef NO_FLOATING_POINT 86 double doublearg; 87 long double longdoublearg; 88 #endif 89 wint_t wintarg; 90 wchar_t *pwchararg; 91 }; 92 93 /* Handle positional parameters. */ 94 int __find_arguments(const char *, va_list, union arg **); 95 int __find_warguments(const wchar_t *, va_list, union arg **); 96