diosmios/vsprintf.c
crediar@rypp.net 7f75f5eb1e Cheating:
*Due space limitations only the debug version of kenobigc is supported, this means there is a bit less space for cheats.


git-svn-id: svn://localhost/Users/andi/Downloads/code/trunk@2 be6c1b03-d731-4111-a574-e37d80d43941
2012-06-23 18:08:56 +00:00

443 lines
8.1 KiB
C

/*
* linux/lib/vsprintf.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*/
/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */
/*
* Wirzenius wrote this portably, Torvalds fucked it up :-)
*/
#include <stdarg.h>
#include "global.h"
#include "string.h"
#include "ff.h"
#include "memory.h"
char * strstr ( const char *str1, const char *str2)
{
char *cp = (char *) str1;
char *s1, *s2;
if ( !*str2 )
return((char *)str1);
while (*cp)
{
s1 = cp;
s2 = (char *) str2;
while ( *s1 && *s2 && !(*s1-*s2) )
s1++, s2++;
if (!*s2)
return(cp);
cp++;
}
return(NULL);
}
static inline int isdigit(int c)
{
return c >= '0' && c <= '9';
}
static inline int isxdigit(int c)
{
return (c >= '0' && c <= '9')
|| (c >= 'a' && c <= 'f')
|| (c >= 'A' && c <= 'F');
}
static inline int islower(int c)
{
return c >= 'a' && c <= 'z';
}
static inline int toupper(int c)
{
if (islower(c))
c -= 'a'-'A';
return c;
}
static int skip_atoi(const char **s)
{
int i=0;
while (isdigit(**s))
i = i*10 + *((*s)++) - '0';
return i;
}
#define ZEROPAD 1 /* pad with zero */
#define SIGN 2 /* unsigned/signed long */
#define PLUS 4 /* show plus */
#define SPACE 8 /* space if plus */
#define LEFT 16 /* left justified */
#define SPECIAL 32 /* 0x */
#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */
#define do_div(n,base) ({ \
int __res; \
__res = ((unsigned long) n) % (unsigned) base; \
n = ((unsigned long) n) / (unsigned) base; \
__res; })
static char * number(char * str, long num, int base, int size, int precision
,int type)
{
char c,sign,tmp[66];
const char *digits="0123456789abcdefghijklmnopqrstuvwxyz";
int i;
if (type & LARGE)
digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
if (type & LEFT)
type &= ~ZEROPAD;
if (base < 2 || base > 36)
return 0;
c = (type & ZEROPAD) ? '0' : ' ';
sign = 0;
if (type & SIGN) {
if (num < 0) {
sign = '-';
num = -num;
size--;
} else if (type & PLUS) {
sign = '+';
size--;
} else if (type & SPACE) {
sign = ' ';
size--;
}
}
if (type & SPECIAL) {
if (base == 16)
size -= 2;
else if (base == 8)
size--;
}
i = 0;
if (num == 0)
tmp[i++]='0';
else while (num != 0)
tmp[i++] = digits[do_div(num,base)];
if (i > precision)
precision = i;
size -= precision;
if (!(type&(ZEROPAD+LEFT)))
while(size-->0)
*str++ = ' ';
if (sign)
*str++ = sign;
if (type & SPECIAL) {
if (base==8)
*str++ = '0';
else if (base==16) {
*str++ = '0';
*str++ = digits[33];
}
}
if (!(type & LEFT))
while (size-- > 0)
*str++ = c;
while (i < precision--)
*str++ = '0';
while (i-- > 0)
*str++ = tmp[i];
while (size-- > 0)
*str++ = ' ';
return str;
}
int vsprintf(char *buf, const char *fmt, va_list args)
{
int len;
unsigned long num;
int i, base;
char * str;
const char *s;
int flags; /* flags to number() */
int field_width; /* width of output field */
int precision; /* min. # of digits for integers; max
number of chars for from string */
int qualifier; /* 'h', 'l', or 'L' for integer fields */
for(str=buf ; *fmt ; ++fmt)
{
if (*fmt != '%') {
*str++ = *fmt;
continue;
}
/* process flags */
flags = 0;
repeat:
++fmt; /* this also skips first '%' */
switch (*fmt) {
case '-': flags |= LEFT; goto repeat;
case '+': flags |= PLUS; goto repeat;
case ' ': flags |= SPACE; goto repeat;
case '#': flags |= SPECIAL; goto repeat;
case '0': flags |= ZEROPAD; goto repeat;
}
/* get field width */
field_width = -1;
if (isdigit(*fmt))
field_width = skip_atoi(&fmt);
else if (*fmt == '*') {
++fmt;
/* it's the next argument */
field_width = va_arg(args, int);
if (field_width < 0) {
field_width = -field_width;
flags |= LEFT;
}
}
/* get the precision */
precision = -1;
if (*fmt == '.') {
++fmt;
if (isdigit(*fmt))
precision = skip_atoi(&fmt);
else if (*fmt == '*') {
++fmt;
/* it's the next argument */
precision = va_arg(args, int);
}
if (precision < 0)
precision = 0;
}
/* get the conversion qualifier */
qualifier = -1;
if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L') {
qualifier = *fmt;
++fmt;
}
/* default base */
base = 10;
switch (*fmt) {
case 'c':
if (!(flags & LEFT))
while (--field_width > 0)
*str++ = ' ';
*str++ = (unsigned char) va_arg(args, int);
while (--field_width > 0)
*str++ = ' ';
continue;
case 's':
s = va_arg(args, char *);
//if (!s)
// s = "<NULL>";
len = strnlen(s, precision);
if (!(flags & LEFT))
while (len < field_width--)
*str++ = ' ';
for (i = 0; i < len; ++i)
*str++ = *s++;
while (len < field_width--)
*str++ = ' ';
continue;
case 'p':
if (field_width == -1) {
field_width = 2*sizeof(void *);
flags |= ZEROPAD;
}
str = number(str,
(unsigned long) va_arg(args, void *), 16,
field_width, precision, flags);
continue;
case 'n':
if (qualifier == 'l') {
long * ip = va_arg(args, long *);
*ip = (str - buf);
} else {
int * ip = va_arg(args, int *);
*ip = (str - buf);
}
continue;
case '%':
*str++ = '%';
continue;
/* integer number formats - set up the flags and "break" */
case 'o':
base = 8;
break;
case 'X':
flags |= LARGE;
case 'x':
base = 16;
break;
case 'd':
case 'i':
flags |= SIGN;
case 'u':
break;
default:
*str++ = '%';
if (*fmt)
*str++ = *fmt;
else
--fmt;
continue;
}
if (qualifier == 'l')
num = va_arg(args, unsigned long);
else if (qualifier == 'h') {
num = (unsigned short) va_arg(args, int);
if (flags & SIGN)
num = (short) num;
} else if (flags & SIGN)
num = va_arg(args, int);
else
num = va_arg(args, unsigned int);
str = number(str, num, base, field_width, precision, flags);
}
*str = '\0';
return str-buf;
}
int sprintf( char *astr, const char *fmt, ...)
{
va_list args;
int i;
va_start(args, fmt);
i = vsprintf(astr, fmt, args);
va_end(args);
return i;
}
#define EXI 0xD806814
void EXISendByte( char byte )
{
loop:
*(vu32*)EXI = 0xD0;
*(vu32*)(EXI+0x10) = 0xB0000000 | (byte<<20);
*(vu32*)(EXI+0x0C) = 0x19;
while( *(vu32*)(EXI+0x0C)&1 );
u32 loop = *(vu32*)(EXI+0x10)&0x4000000;
*(vu32*)EXI = 0;
if( !loop )
goto loop;
return;
}
void GeckoSendBuffer( char *buffer )
{
int i = 0;
while( buffer[i] != '\0' )
{
EXISendByte( buffer[i] );
++i;
}
return;
}
extern FIL Log;
static char buffer[128] ALIGNED(32);
int dbgprintf( const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vsprintf(buffer, fmt, args);
va_end(args);
//u32 cokie = read32( 0x0D800070 );
//set32(0x0D800070,1);
if( read32( 0x0D800070 ) & 1 )
{
GeckoSendBuffer( buffer );
}/* else {
u32 read;
u32 fres = f_open( &Log, "/dm.log", FA_READ|FA_WRITE|FA_OPEN_ALWAYS );
if( fres != FR_OK )
{
write32( 0x0D800070, 1 );
dbgprintf("f_open():%d\n", fres );
}
f_lseek( &Log, Log.fsize );
f_write( &Log, buffer, strlen(buffer), &read );
f_close( &Log );
}*/
//write32( 0x0D800070, cokie );
return 1;
}
static char ascii(char s)
{
if(s < 0x20) return '.';
if(s > 0x7E) return '.';
return s;
}
void hexdump(void *d, int len)
{
u8 *data;
int i, off;
data = (u8*)d;
for (off=0; off<len; off += 16) {
dbgprintf("%08x ",off);
for(i=0; i<16; i++)
if((i+off)>=len) dbgprintf(" ");
else dbgprintf("%02x ",data[off+i]);
dbgprintf(" ");
for(i=0; i<16; i++)
if((i+off)>=len) dbgprintf(" ");
else dbgprintf("%c",ascii(data[off+i]));
dbgprintf("\n");
}
}
//void fatal(const char *fmt, ...)
//{
// va_list args;
// char buffer[1024];
// int i;
//
// va_start(args, fmt);
// i = vsprintf(buffer, fmt, args);
// va_end(args);
// OSReport(buffer);
// for (;;);
//}
//