git subrepo pull --force emummc
subrepo: subdir: "emummc" merged: "2fc47cbb8" upstream: origin: "https://github.com/lulle2007200/emuMMC.git" branch: "develop" commit: "2fc47cbb8" git-subrepo: version: "0.4.9" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "30db3b8"
This commit is contained in:
lulle2007200
299
emummc/source/fatal/bdk/utils/sprintf.c
vendored
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299
emummc/source/fatal/bdk/utils/sprintf.c
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/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2019-2024 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 <utils/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_putspace(int fcnt)
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{
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if (fcnt <= 0)
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return;
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for (int i = 0; i < fcnt; i++)
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_s_putc(' ');
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}
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static void _s_puts(char *s, char fill, int fcnt)
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{
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if (fcnt)
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{
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fcnt = fcnt - strlen(s);
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// Left padding. Check if padding is not space based (dot counts as such).
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if (fill != '.')
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_s_putspace(fcnt);
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}
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for (; *s; s++)
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_s_putc(*s);
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// Right padding. Check if padding is space based (dot counts as such).
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if (fill == '.')
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_s_putspace(fcnt);
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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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static const char digits[] = "0123456789ABCDEF";
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char *p;
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char buf[65]; // Number char size + leftover for padding.
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int c = fcnt;
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bool negative = false;
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if (base != 10 && base != 16)
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return;
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// Account for negative numbers.
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if (base == 10 && v & 0x80000000)
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{
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negative = true;
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v = (int)v * -1;
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c--;
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}
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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 (negative)
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*--p = '-';
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if (fill != 0)
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{
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while (c > 0 && p > buf)
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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, 0, 0);
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}
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/*
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* Padding:
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* Numbers:
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* %3d: Fill: ' ', Count: 3.
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* % 3d: Fill: ' ', Count: 3.
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* %.3d: Fill: '.', Count: 3.
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* %23d: Fill: '2', Count: 3.
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* % 23d: Fill: ' ', Count: 23.
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* %223d: Fill: '2', Count: 23.
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*
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* Strings, Fill: ' ':
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* %3s: Count: 5, Left.
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* %23s: Count: 5, Left.
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* %223s: Count: 25, Left.
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* %.3s: Count: 5, Right.
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* %.23s: Count: 25, Right.
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* %.223s: Count: 225, Right.
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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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// Check for padding. Number or space based (dot count as space for string).
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if ((*fmt >= '0' && *fmt <= '9') || *fmt == ' ' || *fmt == '.')
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{
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fcnt = *fmt; // Padding size or padding type.
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fmt++;
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if (*fmt >= '0' && *fmt <= '9')
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{
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// Padding size exists. Previous char was type.
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fill = fcnt;
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fcnt = *fmt - '0';
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fmt++;
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parse_padding_dec:
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// Parse padding size extra digits.
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if (*fmt >= '0' && *fmt <= '9')
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{
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fcnt = fcnt * 10 + *fmt - '0';
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fmt++;
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goto parse_padding_dec;
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}
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}
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else
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{
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// No padding type, use space. (Max padding size is 9).
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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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char c = va_arg(ap, u32);
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if (c != '\0')
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_s_putc(c);
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break;
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case 's':
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_s_puts(va_arg(ap, char *), fill, fcnt);
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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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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 '%':
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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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}
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void s_vprintf(char *out_buf, const char *fmt, va_list ap)
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{
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int fill, fcnt;
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sout_buf = &out_buf;
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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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// Check for padding. Number or space based.
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if ((*fmt >= '0' && *fmt <= '9') || *fmt == ' ')
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{
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fcnt = *fmt; // Padding size or padding type.
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fmt++;
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if (*fmt >= '0' && *fmt <= '9')
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{
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// Padding size exists. Previous char was type.
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fill = fcnt;
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fcnt = *fmt - '0';
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fmt++;
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parse_padding_dec:
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// Parse padding size extra digits.
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if (*fmt >= '0' && *fmt <= '9')
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{
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fcnt = fcnt * 10 + *fmt - '0';
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fmt++;
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goto parse_padding_dec;
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}
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}
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else
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{
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// No padding type, use space. (Max padding size is 9).
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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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char c = va_arg(ap, u32);
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if (c != '\0')
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_s_putc(c);
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break;
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case 's':
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_s_puts(va_arg(ap, char *), fill, fcnt);
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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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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 '%':
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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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}
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