mirror of
https://github.com/CTCaer/hekate.git
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149 lines
2.5 KiB
C
149 lines
2.5 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2019 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdarg.h>
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#include <string.h>
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#include "types.h"
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char **sout_buf;
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static void _s_putc(char c)
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{
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**sout_buf = c;
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*sout_buf += 1;
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}
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static void _s_puts(const char *s)
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{
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for (; *s; s++)
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_s_putc(*s);
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}
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static void _s_putn(u32 v, int base, char fill, int fcnt)
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{
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char buf[65];
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static const char digits[] = "0123456789ABCDEFghijklmnopqrstuvwxyz";
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char *p;
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int c = fcnt;
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if (base > 36)
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return;
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p = buf + 64;
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*p = 0;
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do
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{
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c--;
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*--p = digits[v % base];
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v /= base;
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} while (v);
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if (fill != 0)
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{
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while (c > 0)
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{
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*--p = fill;
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c--;
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}
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}
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_s_puts(p);
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}
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static void _s_putp(u32 *v, int base, char fill, int fcnt)
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{
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_s_putn(*v, base, fill, fcnt);
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}
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void s_printf(char *out_buf, const char *fmt, ...)
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{
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va_list ap;
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int fill, fcnt;
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sout_buf = &out_buf;
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va_start(ap, fmt);
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while(*fmt)
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{
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if(*fmt == '%')
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{
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fmt++;
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fill = 0;
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fcnt = 0;
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if ((*fmt >= '0' && *fmt <= '9') || *fmt == ' ')
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{
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fcnt = *fmt;
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fmt++;
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if (*fmt >= '0' && *fmt <= '9')
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{
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fill = fcnt;
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fcnt = *fmt - '0';
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fmt++;
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}
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else
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{
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fill = ' ';
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fcnt -= '0';
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}
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}
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switch(*fmt)
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{
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case 'c':
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_s_putc(va_arg(ap, u32));
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break;
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case 's':
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_s_puts(va_arg(ap, char *));
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break;
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case 'd':
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_s_putn(va_arg(ap, u32), 10, fill, fcnt);
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break;
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case 'p':
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case 'P':
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_s_putp(va_arg(ap, u32*), 16, fill, fcnt);
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break;
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case 'x':
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case 'X':
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_s_putn(va_arg(ap, u32), 16, fill, fcnt);
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break;
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case 'k':
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//gfx_con.fgcol = va_arg(ap, u32);
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break;
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case 'K':
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//gfx_con.bgcol = va_arg(ap, u32);
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//gfx_con.fillbg = 1;
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break;
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case '%':
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_s_putc('%');
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break;
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case '\0':
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goto out;
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default:
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_s_putc('%');
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_s_putc(*fmt);
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break;
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}
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}
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else
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_s_putc(*fmt);
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fmt++;
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}
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out:
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**sout_buf = '\0';
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va_end(ap);
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} |