WebSVN – HelenOS-historic – Diff – //uspace/trunk/libc/generic/io/printf_core.c



#include <unistd.h>
#include <stdio.h>
#include <io/printf_core.h>
#include <ctype.h>
#include <string.h>
/* For serialization */
#include <async.h>
 
#define __PRINTF_FLAG_PREFIX        0x00000001  /**< show prefixes 0x or 0*/
#define __PRINTF_FLAG_SIGNED        0x00000002  /**< signed / unsigned number */
#define __PRINTF_FLAG_ZEROPADDED    0x00000004  /**< print leading zeroes */
#define __PRINTF_FLAG_LEFTALIGNED   0x00000010  /**< align to left */

    uint64_t number; /* argument value */
    size_t  size; /* byte size of integer parameter */
    int width, precision;
    uint64_t flags;
   
    /* Don't let other threads interfere */
    async_serialize_start();
 
    counter = 0;
   
    while ((c = fmt[i])) {
        /* control character */
        if (c == '%' ) {
            /* print common characters if any processed */ 
            if (i > j) {
                if ((retval = printf_putnchars(&fmt[j], (size_t)(i - j), ps)) == EOF) { /* error */
                    goto minus_out;
                }
                counter += retval;
            }
       
            j = i;

                /*
                * String and character conversions.
                */
                case 's':
                    if ((retval = print_string(va_arg(ap, char*), width, precision, flags, ps)) == EOF) {
                        goto minus_out;
                    };
                   
                    counter += retval;
                    j = i + 1;
                    goto next_char;
                case 'c':
                    c = va_arg(ap, unsigned int);
                    if ((retval = print_char(c, width, flags, ps)) == EOF) {
                        goto minus_out;
                    };
                   
                    counter += retval;
                    j = i + 1;
                    goto next_char;

                case PrintfQualifierSizeT:
                    size = sizeof(size_t);
                    number = (uint64_t)va_arg(ap, size_t);
                    break;
                default: /* Unknown qualifier */
                    goto minus_out;
                   
            }
           
            if (flags & __PRINTF_FLAG_SIGNED) {
                if (number & (0x1 << (size*8 - 1))) {

                    }
                }
            }
 
            if ((retval = print_number(number, width, precision, base, flags, ps)) == EOF ) {
                goto minus_out;
            };
 
            counter += retval;
            j = i + 1;
        }  

        ++i;
    }
   
    if (i > j) {
        if ((retval = printf_putnchars(&fmt[j], (size_t)(i - j), ps)) == EOF) { /* error */
            goto minus_out;
        }
        counter += retval;
    }
   
    async_serialize_end();
    return counter;
minus_out:
    async_serialize_end();
    return -counter;
}
 

Rev 1444	Rev 1616
Line 35...	Line 35...
35	#include <unistd.h>	35	#include <unistd.h>
36	#include <stdio.h>	36	#include <stdio.h>
37	#include <io/printf_core.h>	37	#include <io/printf_core.h>
38	#include <ctype.h>	38	#include <ctype.h>
39	#include <string.h>	39	#include <string.h>
-		40	/* For serialization */
-		41	#include <async.h>
40		42
41	#define __PRINTF_FLAG_PREFIX 0x00000001 /*< show prefixes 0x or 0/	43	#define __PRINTF_FLAG_PREFIX 0x00000001 /*< show prefixes 0x or 0/
42	#define __PRINTF_FLAG_SIGNED 0x00000002 /*< signed / unsigned number /	44	#define __PRINTF_FLAG_SIGNED 0x00000002 /*< signed / unsigned number /
43	#define __PRINTF_FLAG_ZEROPADDED 0x00000004 /*< print leading zeroes /	45	#define __PRINTF_FLAG_ZEROPADDED 0x00000004 /*< print leading zeroes /
44	#define __PRINTF_FLAG_LEFTALIGNED 0x00000010 /*< align to left /	46	#define __PRINTF_FLAG_LEFTALIGNED 0x00000010 /*< align to left /
Line 442...	Line 444...
442	uint64_t number; /* argument value */	444	uint64_t number; /* argument value */
443	size_t size; /* byte size of integer parameter */	445	size_t size; /* byte size of integer parameter */
444	int width, precision;	446	int width, precision;
445	uint64_t flags;	447	uint64_t flags;
446		448
-		449	/* Don't let other threads interfere */
-		450	async_serialize_start();
-		451
447	counter = 0;	452	counter = 0;
448		453
449	while ((c = fmt[i])) {	454	while ((c = fmt[i])) {
450	/* control character */	455	/* control character */
451	if (c == '%' ) {	456	if (c == '%' ) {
452	/* print common characters if any processed */	457	/* print common characters if any processed */
453	if (i > j) {	458	if (i > j) {
454	if ((retval = printf_putnchars(&fmt[j], (size_t)(i - j), ps)) == EOF) { /* error */	459	if ((retval = printf_putnchars(&fmt[j], (size_t)(i - j), ps)) == EOF) { /* error */
455	return -counter;	460	goto minus_out;
456	}	461	}
457	counter += retval;	462	counter += retval;
458	}	463	}
459		464
460	j = i;	465	j = i;
Line 546...	Line 551...
546	/*	551	/*
547	* String and character conversions.	552	* String and character conversions.
548	*/	553	*/
549	case 's':	554	case 's':
550	if ((retval = print_string(va_arg(ap, char*), width, precision, flags, ps)) == EOF) {	555	if ((retval = print_string(va_arg(ap, char*), width, precision, flags, ps)) == EOF) {
551	return -counter;	556	goto minus_out;
552	};	557	};
553		558
554	counter += retval;	559	counter += retval;
555	j = i + 1;	560	j = i + 1;
556	goto next_char;	561	goto next_char;
557	case 'c':	562	case 'c':
558	c = va_arg(ap, unsigned int);	563	c = va_arg(ap, unsigned int);
559	if ((retval = print_char(c, width, flags, ps)) == EOF) {	564	if ((retval = print_char(c, width, flags, ps)) == EOF) {
560	return -counter;	565	goto minus_out;
561	};	566	};
562		567
563	counter += retval;	568	counter += retval;
564	j = i + 1;	569	j = i + 1;
565	goto next_char;	570	goto next_char;
Line 636...	Line 641...
636	case PrintfQualifierSizeT:	641	case PrintfQualifierSizeT:
637	size = sizeof(size_t);	642	size = sizeof(size_t);
638	number = (uint64_t)va_arg(ap, size_t);	643	number = (uint64_t)va_arg(ap, size_t);
639	break;	644	break;
640	default: /* Unknown qualifier */	645	default: /* Unknown qualifier */
641	return -counter;	646	goto minus_out;
642		647
643	}	648	}
644		649
645	if (flags & __PRINTF_FLAG_SIGNED) {	650	if (flags & __PRINTF_FLAG_SIGNED) {
646	if (number & (0x1 << (size*8 - 1))) {	651	if (number & (0x1 << (size*8 - 1))) {
Line 655...	Line 660...
655	}	660	}
656	}	661	}
657	}	662	}
658		663
659	if ((retval = print_number(number, width, precision, base, flags, ps)) == EOF ) {	664	if ((retval = print_number(number, width, precision, base, flags, ps)) == EOF ) {
660	return -counter;	665	goto minus_out;
661	};	666	};
662		667
663	counter += retval;	668	counter += retval;
664	j = i + 1;	669	j = i + 1;
665	}	670	}
Line 668...	Line 673...
668	++i;	673	++i;
669	}	674	}
670		675
671	if (i > j) {	676	if (i > j) {
672	if ((retval = printf_putnchars(&fmt[j], (size_t)(i - j), ps)) == EOF) { /* error */	677	if ((retval = printf_putnchars(&fmt[j], (size_t)(i - j), ps)) == EOF) { /* error */
673	return -counter;	678	goto minus_out;
674	}	679	}
675	counter += retval;	680	counter += retval;
676	}	681	}
677		682
-		683	async_serialize_end();
678	return counter;	684	return counter;
-		685	minus_out:
-		686	async_serialize_end();
-		687	return -counter;
679	}	688	}
680		689

Subversion Repositories HelenOS-historic

(root)//uspace/trunk/libc/generic/io/printf_core.c – Rev 1444 → 1616