Written By - Sandeep Dutta . sandeep.dutta@usa.net (1999)
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
+ This library is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
- This program is distributed in the hope that it will be useful,
+ This library 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 General Public License for more details.
+ GNU Library General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Library General Public License
along with this program; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
what you give them. Help stamp out software-hoarding!
+
+ 2001060401: Improved by was@icb.snz.chel.su
-------------------------------------------------------------------------*/
+
/* following formats are supported :-
format output type argument-type
%d decimal int
%ld decimal long
- %hd decimal short/char
+ %hd decimal char
%x hexadecimal int
%lx hexadecimal long
- %hx hexadecimal short/char
+ %hx hexadecimal char
%o octal int
%lo octal long
- %ho octal short/char
- %c character char/short
+ %ho octal char
+ %c character char
%s character _generic pointer
*/
#include <stdarg.h>
-#include <reg51.h>
-extern void putchar(char );
+#include <stdio.h>
+#ifndef __ds390
+/* just for the SP */
+#include <8051.h>
+#endif
static data volatile char ch;
static data char radix ;
static bit long_flag = 0;
static bit string_flag =0;
-static bit short_flag = 0;
+static bit char_flag = 0;
static bit sign;
static char * data str ;
static data long val;
-static void pvalhex( long val)
+static void pval(void)
{
- volatile char sp = SP;
- unsigned long lval = val;
-
- if (!long_flag)
- lval &= 0x0000ffff;
-
- if (short_flag)
- lval &= 0x000000ff;
-
- while (lval) {
- ch = "0123456789ABCDEF"[(unsigned short)lval & 0x0f];
- _asm push _ch _endasm;
- lval /= 16;
- }
-
- while (sp != SP) {
- _asm pop _ch _endasm;
- putchar(ch);
+ char sp;
+ unsigned long lval;
+ sp = SP;
+
+ if (val < 0 && radix != 16)
+ {
+ lval = -val;
+ sign = 1;
}
+ else { sign = 0; lval = val;}
+
+ if (!long_flag) {
+ lval &= 0x0000ffff;
+ }
+ if (char_flag) {
+ lval &= 0x000000ff;
+ }
+
+ do
+ {
+#if 1
+ if(radix != 16) ch = (lval % radix) + '0';
+ else ch = "0123456789ABCDEF"[(unsigned char)lval & 0x0f];
+ _asm push _ch _endasm;
+ lval /= radix;
+#else
+ // This only looks more efficient, but isn't. see the .map
+ ch = (lval % radix) + '0';
+ if (ch>'9') ch+=7;
+ _asm push _ch _endasm;
+ lval /= radix;
+#endif
+ }
+ while (lval);
-}
-
-static void pvaloct(long val)
-{
- char sp ;
- unsigned long lval;
- sp = SP;
- if (val < 0) {
- lval = -val;
- sign = 1;
- } else {
- lval = val;
- sign = 0;
- }
-
- if (!long_flag)
- lval &= 0x0000ffff;
- if (short_flag)
- lval &= 0x000000ff;
-
- while (lval) {
- ch = (lval % 8) + '0';
- _asm push _ch _endasm;
- lval = lval / 8;
- }
-
- if (sign) {
- ch = '-';
- _asm push _ch _endasm;
- }
-
-
- while (sp != SP) {
- _asm pop _ch _endasm;
- putchar(ch);
+ if (sign) {
+ ch = '-';
+ _asm push _ch _endasm;
}
-}
-static void pvaldec(long val )
-{
- char sp ;
- unsigned long lval;
- sp = SP;
- if (val < 0) {
- lval = -val;
- sign = 1;
- } else {
- lval = val;
- sign = 0;
- }
-
- while (lval) {
- ch = (lval % 10) + '0';
- _asm push _ch _endasm;
- lval = lval / 10;
- }
-
- if (sign) {
- ch = '-';
- _asm push _ch _endasm;
- }
-
-
- while (sp != SP) {
- _asm pop _ch _endasm;
- putchar(ch);
+ while (sp != SP) {
+ _asm pop _ch _endasm;
+ putchar(ch);
}
}
va_start(ap,fmt);
for (; *fmt ; fmt++ ) {
- if (*fmt == '%') {
- long_flag = string_flag = short_flag = 0;
- fmt++ ;
- switch (*fmt) {
- case 'l':
- long_flag = 1;
- fmt++;
- break;
- case 'h':
- short_flag = 1;
- fmt++;
- }
-
- switch (*fmt) {
- case 's':
- string_flag = 1;
- break;
- case 'd':
- radix = 10;
- break;
- case 'x':
- radix = 16;
- break;
- case 'c':
- radix = 0;
- break;
- case 'o':
- radix = 8;
- break;
- }
-
- if (string_flag) {
- str = va_arg(ap,char _generic *);
- while (*str) putchar(*str++);
- continue ;
- }
-
- if (long_flag)
- val = va_arg(ap,long);
- else
- if (short_flag)
- val = va_arg(ap,short);
- else
- val = va_arg(ap,int);
-
- switch (radix) {
- case 10:
- pvaldec(val) ;
- break;
- case 16:
- pvalhex (val);
- break;
- case 0:
- putchar((char)val);
- break;
- case 8:
- pvaloct(val) ;
- break;
- }
-
- } else
- putchar(*fmt);
+ if (*fmt == '%') {
+ long_flag = string_flag = char_flag = 0;
+ fmt++ ;
+ switch (*fmt) {
+ case 'l':
+ long_flag = 1;
+ fmt++;
+ break;
+ case 'h':
+ char_flag = 1;
+ fmt++;
+ }
+
+ switch (*fmt) {
+ case 's':
+ string_flag = 1;
+ break;
+ case 'd':
+ radix = 10;
+ break;
+ case 'x':
+ radix = 16;
+ break;
+ case 'c':
+ radix = 0;
+ break;
+ case 'o':
+ radix = 8;
+ break;
+ }
+
+ if (string_flag) {
+ str = va_arg(ap, char _generic *);
+ while (*str) putchar(*str++);
+ continue ;
+ }
+
+ if (long_flag)
+ val = va_arg(ap,long);
+ else
+ if (char_flag)
+ val = va_arg(ap,char);
+ else
+ val = va_arg(ap,int);
+
+ if (radix) pval();
+ else putchar((char)val);
+
+ } else
+ putchar(*fmt);
}
}
projects / fw / sdcc / blobdiff