From ebd3bd3597ac8ebebb9a82480620cf17aafee281 Mon Sep 17 00:00:00 2001 From: Eggert Jung Date: Sat, 10 May 2025 20:03:04 +0200 Subject: [PATCH] remove unneccessary bullshit --- utils/printf.cc | 193 -------------------------------------------------------- utils/printf.h | 7 -- 2 files changed, 200 deletions(-) delete mode 100644 utils/printf.cc delete mode 100644 utils/printf.h diff --git a/utils/printf.cc b/utils/printf.cc deleted file mode 100644 index fa3ac8c..0000000 --- a/utils/printf.cc +++ /dev/null @@ -1,193 +0,0 @@ -/* - Copyright 2001 Georges Menie - https://www.menie.org/georges/embedded/small_printf_source_code.html - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2 of the License, 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 Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -/* - putchar is the only external dependency for this file, - if you have a working putchar, just remove the following - define. If the function should be called something else, - replace outbyte(c) by your own function call. -*/ - -static void printchar(char **str, int c) -{ - extern int putchar(int c); - if (str) { - **str = c; - ++(*str); - } - //else (void)putchar(c); -} - -#define PAD_RIGHT 1 -#define PAD_ZERO 2 - -static int prints(char **out, const char *string, int width, int pad) -{ - int pc = 0, padchar = ' '; - - if (width > 0) { - int len = 0; - const char *ptr; - for (ptr = string; *ptr; ++ptr) ++len; - if (len >= width) width = 0; - else width -= len; - if (pad & PAD_ZERO) padchar = '0'; - } - if (!(pad & PAD_RIGHT)) { - for ( ; width > 0; --width) { - printchar (out, padchar); - ++pc; - } - } - for ( ; *string ; ++string) { - printchar (out, *string); - ++pc; - } - for ( ; width > 0; --width) { - printchar (out, padchar); - ++pc; - } - - return pc; -} - -/* the following should be enough for 32 bit int */ -#define PRINT_BUF_LEN 12 - -static int printi(char **out, int i, int b, int sg, int width, int pad, int letbase) -{ - char print_buf[PRINT_BUF_LEN]; - char *s; - int t, neg = 0, pc = 0; - unsigned int u = i; - - if (i == 0) { - print_buf[0] = '0'; - print_buf[1] = '\0'; - return prints (out, print_buf, width, pad); - } - - if (sg && b == 10 && i < 0) { - neg = 1; - u = -i; - } - - s = print_buf + PRINT_BUF_LEN-1; - *s = '\0'; - - while (u) { - t = u % b; - if( t >= 10 ) - t += letbase - '0' - 10; - *--s = t + '0'; - u /= b; - } - - if (neg) { - if( width && (pad & PAD_ZERO) ) { - printchar (out, '-'); - ++pc; - --width; - } - else { - *--s = '-'; - } - } - - return pc + prints (out, s, width, pad); -} - -static int print(char **out, int *varg) -{ - int width, pad; - int pc = 0; - char *format = reinterpret_cast(*varg++); - char scr[2]; - - for (; *format != 0; ++format) { - if (*format == '%') { - ++format; - width = pad = 0; - if (*format == '\0') break; - if (*format == '%') goto out; - if (*format == '-') { - ++format; - pad = PAD_RIGHT; - } - while (*format == '0') { - ++format; - pad |= PAD_ZERO; - } - for ( ; *format >= '0' && *format <= '9'; ++format) { - width *= 10; - width += *format - '0'; - } - if( *format == 's' ) { - char *s = *((char **)varg++); - pc += prints (out, s?s:"(null)", width, pad); - continue; - } - if( *format == 'd' ) { - pc += printi (out, *varg++, 10, 1, width, pad, 'a'); - continue; - } - if( *format == 'x' ) { - pc += printi (out, *varg++, 16, 0, width, pad, 'a'); - continue; - } - if( *format == 'X' ) { - pc += printi (out, *varg++, 16, 0, width, pad, 'A'); - continue; - } - if( *format == 'u' ) { - pc += printi (out, *varg++, 10, 0, width, pad, 'a'); - continue; - } - if( *format == 'c' ) { - /* char are converted to int then pushed on the stack */ - scr[0] = *varg++; - scr[1] = '\0'; - pc += prints (out, scr, width, pad); - continue; - } - } - else { - out: - printchar (out, *format); - ++pc; - } - } - if (out) **out = '\0'; - return pc; -} - -/* assuming sizeof(void *) == sizeof(int) */ - -extern "C" int printf(const char *format, ...) -{ - int *varg = (int *)(&format); - return print(0, varg); -} - -extern "C" int sprintf(char *out, const char *format, ...) -{ - int *varg = (int *)(&format); - return print(&out, varg); -} - diff --git a/utils/printf.h b/utils/printf.h deleted file mode 100644 index f7a83d7..0000000 --- a/utils/printf.h +++ /dev/null @@ -1,7 +0,0 @@ -extern "C" { - -int printf(const char *format, ...); - -int sprintf(char *out, const char *format, ...); - -}