static void expand_heap(UINT new_size, heap *aheap)
{
UINT i;
if (new_size <= aheap->end - aheap->start) return;
ASSERT_ALIGN(new_size);
if (aheap->start + new_size > aheap->memend) return;
for (i = aheap->end - aheap->start; i < new_size; i += FRAME_SIZE)
make_page(aheap->start + i, aheap->pageflags, kernel_directory, 1);
aheap->end = aheap->start + new_size;
}
void n_addrec (NDX *n, char *r, unsigned long index_num) {
unsigned char i, num;
char *rs;
int cmp, top;
unsigned long page_index;
bool changed[64], header_changed;
NDX_NODE* key;
key=(NDX_NODE*)malloc(8+n->key_length);
rs=(char*)malloc(n->key_length);
strscpy(rs,r,n->key_length);
memset(changed,0,sizeof(changed));
header_changed=false;
page_index=n->root_page; top=-1;
while (page_index) {
get_page(n,page_index,++top);
if (pages[top].keys[0]->index) break;
for (i=0;i<pages[top].key_num;i++) {
cmp=memcmp(rs,pages[top].keys[i]->key_data,n->key_length);
if ((cmp<0) || (cmp==0 && index_num<pages[top].keys[i]->index))
{ page_index=pages[top].keys[i]->left_page; break; }
}
if (i==pages[top].key_num) {
memcpy(pages[top].keys[--i],rs,n->key_length);
changed[i]=true;
page_index=pages[top].keys[--i]->left_page;
}
}
key=make_node(n,0,index_num,rs);
addrec(n,num=top,key);
changed[top]=true;
while (pages[num].key_num>n->max_keys && num>1) {
spilt_page(n,num,++top);
header_changed=true;
addrec(n,num-1,get_last(n,num));
changed[num]=changed[top]=true;
}
if (pages[num].key_num>n->max_keys) {
spilt_page(n,num,++top);
header_changed=true;
changed[num]=changed[top]=true;
make_page(n,num,top,top+1); top++;
changed[top]=true;
}
for (i=0;i<=top;i++) {
if (changed[i]) put_page(n,i);
dispose_page(i);
}
if (header_changed) write_total(n);
}
int elf_load_segment(char *image, elf32_phdr* seg)
{
/*FIXME: By know I don't know how to cope p_vaddr AND p_align,
So I ignore the latter and also p_flags which are only for ONE FRAME */
UINT i,size=seg->p_filesz;
for (i=ALIGN_DOWN(seg->p_vaddr);i<seg->p_vaddr+seg->p_memsz;i+=FRAME_SIZE)
make_page(i,PAGE_FLAG_PRESENT | PAGE_FLAG_WRITE | PAGE_FLAG_USERMODE,current_task->directory,1);
flush_tlb(); //TODO: If make_page() fails we need a "not enough core"
if (size>seg->p_memsz) size=seg->p_memsz;
memcpy((void *)seg->p_vaddr,(void *)((UINT)image+seg->p_offset),size);
if (seg->p_filesz<size)
memset((void *)((UINT)image+seg->p_offset+seg->p_filesz),0,size-seg->p_filesz);
return 0;
}
main(int argc, char *argv[])
{
int fd;
use_lod2 = 0;
// use_lod2 = 1;
img_filename = strdup("disk.img");
mcr_filename = strdup("ucadr.mcr.841");
lod1_filename = strdup("partition-78.48.lod1");
lod2_filename = strdup("partition-sys210.lod2");
#if 0
mcr_filename = strdup("ucadr.mcr.979");
#endif
#if 0
use_lod2 = 1;
mcr_filename = strdup("ucadr.mcr.979");
lod1_filename = strdup("partition-sys210.lod2");
#endif
#if 0
use_lod2 = 1;
mcr_filename = strdup("ucadr.mcr.896");
lod1_filename = strdup("partition-sys210.lod2");
#endif
fd = open(img_filename, O_RDWR | O_CREAT, 0666);
if (fd < 0) {
perror(img_filename);
exit(1);
}
make_labl(fd);
make_mcr1(fd);
make_page(fd);
make_lod1(fd);
if (use_lod2) {
make_lod2(fd);
}
make_file(fd);
exit(0);
}
/*
* Parameters: <hundred_dpi> <basename_> <titlestring> <bottom_html_code>
* <pageoffset> [first page number]
*/
int
main(int argc, char **argv)
{
int a,z;
if (argc<7){
fprintf(stderr,"Usage: pbm2png <hundred_dpi> <basename_> <titlestring> <bottom_html_code> <pageoffset> <ifname> [starting_filenumber]\n");
return 0;
}
dpi=atof(argv[1])/10;
ppm=dpi*1000/25.4;
basename_=argv[2];
titlestring=argv[3];
bottom=argv[4];
pageoffset=atol(argv[5]);
filename=argv[6];
again0:
ifd=open(filename,O_RDONLY);
if (ifd<0){
if (errno==EAGAIN||errno==EINTR||errno==EWOULDBLOCK) goto
again0;
else {
perror("");
exit(1);
}
}
fprintf(stderr,"filename %s, %d\n",filename,ifd);
if (argc>=8){
filenumber=atol(argv[7]);
}
gentables();
again:
fprintf(stderr,"\nFile %i\n",filenumber);
if (read_header()){
for (a=0;a<filenumber;a++)
make_page(a);
make_index();
return 0;
}
lw=(x+15)>>4;
lb=(x+7)>>3;
ox=x/17;
oy=y/15;
fprintf(stderr,"Input: %i*%i pixels, %f*%f dpi, %.1fMB.\n",x,y,dpi*17,dpi*15,(float)lb*y/1048576);
fprintf(stderr,"Ouput: %i*%i pixels, %f*%f dpi, %.1fKB raw data.\n",ox,oy,dpi,dpi,(float)ox*oy/1024);
l1=(unsigned char*)malloc(lw*2);
l2=(unsigned long*)malloc(lw*sizeof(unsigned long));
l4=(unsigned long long*)malloc(lw*sizeof(unsigned long long));
sprintf(string,"%s%d.png",basename_,filenumber);
filenumber++;
of=fopen(string,"w");
open_png();
for (z=oy;z;z--){
if (!(z&15)){
fprintf(stderr,".");
fflush(stderr);
}
load_to_4();
export_from_4();
}
close_png();
fprintf(stderr,"\nWritten %lu bytes of data, ratio %.1f%%\n",ftell(of),(float)ftell(of)*100/ox/oy);
fclose(of);
for (a=y%15;a;a--)
load();
free(l1);
free(l2);
free(l4);
goto again;
}
