blob: f04458e1a2a8847bbf1369bb77e9169e56e5ac2d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/* lib.c
* tag: simple function library
*
* Copyright (C) 2003 Stefan Reinauer
*
* See the file "COPYING" for further information about
* the copyright and warranty status of this work.
*/
#include "config.h"
#include "asm/types.h"
#include <stdarg.h>
#include "libc/stdlib.h"
#include "libc/vsprintf.h"
#include "kernel/kernel.h"
/* Format a string and print it on the screen, just like the libc
* function printf.
*/
int printk( const char *fmt, ... )
{
char *p, buf[512];
va_list args;
int i;
va_start(args, fmt);
i = vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
for( p=buf; *p; p++ )
putchar(*p);
return i;
}
// dumb quick memory allocator until we get a decent thing here.
#define MEMSIZE 128*1024
static char memory[MEMSIZE];
static void *memptr=memory;
static int memsize=MEMSIZE;
void *malloc(int size)
{
void *ret=(void *)0;
if(memsize>=size) {
memsize-=size;
ret=memptr;
memptr+=size;
}
return ret;
}
void free(void *ptr)
{
/* Nothing yet */
}
|
