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Ignore whitespace Rev 973 → Rev 974

/uspace/trunk/libc/include/stddef.h
0,0 → 1,35
/*
* Copyright (C) 2006 Josef Cejka
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#ifndef __LIBC__STDDEF_H__
#define __LIBC__STDDEF_H__
 
#include <types.h>
 
#endif
 
/uspace/trunk/libc/include/io/io.h
0,0 → 1,37
/*
* Copyright (C) 2006 Josef Cejka
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#ifndef __LIBC__IO_H__
#define __LIBC__IO_IO_H__
 
#include <types.h>
 
int putnchars(const char * buf, size_t count);
int putstr(const char * str);
 
#endif
/uspace/trunk/libc/include/stdio.h
31,8 → 31,10
 
#include <types.h>
 
#define EOF -1
#define EOF (-1)
 
extern int puts(const char * str);
 
extern int printf(const char *fmt, ...);
 
#endif
/uspace/trunk/libc/include/stdarg.h
0,0 → 1,59
/*
* Copyright (C) 2006 Josef Cejka
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#ifndef __LIBC__STDARG_H__
#define __LIBC__STDARG_H__
 
#ifndef __VARARGS_DEFINED
#define __VARARGS_DEFINED
 
/*
* Variable argument list manipulation macros
* for architectures using stack to pass arguments.
*/
#include <types.h>
 
typedef struct va_list {
int pos;
uint8_t *last;
} va_list;
 
#define va_start(ap, lst) \
(ap).pos = sizeof(lst); \
(ap).last = (uint8_t *) &(lst)
 
#define va_arg(ap, type) \
(*((type *)((ap).last + ((ap).pos += sizeof(type) ) - sizeof(type))))
 
#define va_end(ap)
 
#endif
 
 
#endif
/uspace/trunk/libc/generic/io.c
File deleted
/uspace/trunk/libc/generic/io/io.c
0,0 → 1,83
/*
* Copyright (C) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#include <libc.h>
#include <unistd.h>
#include <stdio.h>
#include <io/io.h>
 
static char nl = '\n';
 
int puts(const char * str)
{
size_t count;
for (count = 0; str[count] != 0; count++);
if (write(1, (void * ) str, count) == count) {
if (write(1, &nl, 1) == 1)
return 0;
}
return EOF;
}
 
/** Put count chars from buffer to stdout without adding newline
* @param buf Buffer with size at least count bytes
* @param count
* @return 0 on succes, EOF on fail
*/
int putnchars(const char * buf, size_t count)
{
if (write(1, (void * ) buf, count) == count) {
return 0;
}
return EOF;
}
 
/** Same as puts, but does not print newline at end
*
*/
int putstr(const char * str)
{
size_t count;
for (count = 0; str[count] != 0; count++);
if (write(1, (void * ) str, count) == count) {
return 0;
}
return EOF;
}
 
ssize_t write(int fd, const void * buf, size_t count)
{
return (ssize_t) __SYSCALL3(SYS_IO, (sysarg_t) fd, (sysarg_t) buf, (sysarg_t) count);
}
 
 
/uspace/trunk/libc/generic/io/print.c
0,0 → 1,298
/*
* Copyright (C) 2001-2004 Jakub Jermar
* Copyright (C) 2006 Josef Cejka
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#include <stdio.h>
#include <unistd.h>
#include <io/io.h>
#include <stdarg.h>
 
static char digits[] = "0123456789abcdef"; /**< Hexadecimal characters */
 
/** Print hexadecimal digits
*
* Print fixed count of hexadecimal digits from
* the number num. The digits are printed in
* natural left-to-right order starting with
* the width-th digit.
*
* @param num Number containing digits.
* @param width Count of digits to print.
*
*/
static int print_fixed_hex(const uint64_t num, const int width)
{
int i;
char buf[16];
char *bptr;
bptr = buf;
for (i = width*8 - 4; i >= 0; i -= 4)
*bptr++ = digits[(num>>i) & 0xf];
*bptr = '\0';
return putstr(buf);
}
 
 
/** Print number in given base
*
* Print significant digits of a number in given
* base.
*
* @param num Number to print.
* @param base Base to print the number in (should
* be in range 2 .. 16).
*
*/
static int print_number(const unsigned int num, const unsigned int base)
{
int val = num;
char d[sizeof(unsigned int)*8+1]; /* this is good enough even for base == 2 */
int i = sizeof(unsigned int)*8-1;
do {
d[i--] = digits[val % base];
} while (val /= base);
d[sizeof(unsigned int)*8] = 0;
 
return putstr(&d[i + 1]);
}
 
 
 
/** General formatted text print
*
* Print text formatted according the fmt parameter
* and variant arguments. Each formatting directive
* begins with \% (percentage) character and one of the
* following character:
*
* \% Prints the percentage character.
*
* s The next variant argument is treated as char*
* and printed as a NULL terminated string.
*
* c The next variant argument is treated as a single char.
*
* p The next variant argument is treated as a maximum
* bit-width integer with respect to architecture
* and printed in full hexadecimal width.
*
* P As with 'p', but '0x' is prefixed.
*
* q The next variant argument is treated as a 64b integer
* and printed in full hexadecimal width.
*
* Q As with 'q', but '0x' is prefixed.
*
* l The next variant argument is treated as a 32b integer
* and printed in full hexadecimal width.
*
* L As with 'l', but '0x' is prefixed.
*
* w The next variant argument is treated as a 16b integer
* and printed in full hexadecimal width.
*
* W As with 'w', but '0x' is prefixed.
*
* b The next variant argument is treated as a 8b integer
* and printed in full hexadecimal width.
*
* B As with 'b', but '0x' is prefixed.
*
* d The next variant argument is treated as integer
* and printed in standard decimal format (only significant
* digits).
*
* x The next variant argument is treated as integer
* and printed in standard hexadecimal format (only significant
* digits).
*
* X As with 'x', but '0x' is prefixed.
*
* All other characters from fmt except the formatting directives
* are printed in verbatim.
*
* @param fmt Formatting NULL terminated string.
*/
int printf(const char *fmt, ...)
{
int i = 0, j = 0;
int counter, retval;
va_list ap;
char c;
counter = 0;
va_start(ap, fmt);
 
while ((c = fmt[i])) {
/* control character */
if (c == '%' ) {
/* print common characters if any processed */
if (i > j) {
if ((retval = putnchars(&fmt[j], i - j)) == EOF) { /* error */
return -counter;
}
counter += retval;
}
 
j = ++i;
 
switch (c = fmt[i]) {
 
/* percentile itself */
case '%':
--j; /* soon will be incremented back */
break;
 
/*
* String and character conversions.
*/
case 's':
if ((retval = putstr(va_arg(ap, char*))) == EOF) {
return -counter;
};
counter += retval;
break;
case 'c':
if ((retval = putnchars((char *)&va_arg(ap, int), sizeof(char))) == EOF) {
return -counter;
};
counter += retval;
break;
 
/*
* Hexadecimal conversions with fixed width.
*/
case 'P':
if ((retval = putnchars("0x", 2)) == EOF) {
return -counter;
};
counter += retval;
case 'p':
if ((retval = print_fixed_hex(va_arg(ap, int), sizeof(int))) == EOF ) {
return -counter;
};
 
counter += retval;
break;
case 'Q':
if ((retval = putnchars("0x", 2)) == EOF) {
return -counter;
};
counter += retval;
case 'q':
if ((retval = print_fixed_hex(va_arg(ap, uint64_t), sizeof(uint64_t))) == EOF ) {
return -counter;
};
 
counter += retval;
break;
case 'L':
if ((retval = putnchars("0x", 2)) == EOF) {
return -counter;
};
counter += retval;
case 'l':
if ((retval = print_fixed_hex(va_arg(ap, int), sizeof(uint32_t))) == EOF ) {
return -counter;
};
 
counter += retval;
break;
case 'W':
if ((retval = putnchars("0x", 2)) == EOF) {
return -counter;
};
counter += retval;
case 'w':
if ((retval = print_fixed_hex(va_arg(ap, int), sizeof(uint16_t))) == EOF ) {
return -counter;
};
 
counter += retval;
break;
case 'B':
if ((retval = putnchars("0x", 2)) == EOF) {
return -counter;
};
counter += retval;
case 'b':
if ((retval = print_fixed_hex(va_arg(ap, int), sizeof(uint8_t))) == EOF ) {
return -counter;
};
 
counter += retval;
break;
/*
* Decimal and hexadecimal conversions.
*/
case 'd':
if ((retval = print_number(va_arg(ap, int), 10)) == EOF ) {
return -counter;
};
 
counter += retval;
break;
case 'X':
if ((retval = putnchars("0x", 2)) == EOF) {
return -counter;
};
counter += retval;
case 'x':
if ((retval = print_number(va_arg(ap, int), 16)) == EOF ) {
return -counter;
};
 
counter += retval;
break;
/*
* Bad formatting.
*/
default:
return -counter;
}
++j;
}
++i;
}
va_end(ap);
return counter;
}
 
/uspace/trunk/libc/Makefile
41,7 → 41,8
 
GENERIC_SOURCES = \
generic/libc.c \
generic/io.c
generic/io/io.c \
generic/io/print.c
 
ARCH_SOURCES += \
arch/$(ARCH)/src/entry.s
/uspace/trunk/libc/arch/ia32/include/types.h
33,4 → 33,14
typedef unsigned int size_t;
typedef signed int ssize_t;
 
typedef char int8_t;
typedef short int int16_t;
typedef int int32_t;
typedef long long int int64_t;
 
typedef unsigned char uint8_t;
typedef unsigned short int uint16_t;
typedef unsigned int uint32_t;
typedef unsigned long long int uint64_t;
 
#endif