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#include "compiledefines.h"
#ifdef KARBON
#define TARGET_API_MAC_CARBON 1
#endif
#include "types.t"
#include "system.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <Files.h>
#include "path_cache.h"
struct path_cache_list {
char * pcache_path;
#ifdef KARBON
struct vd_id pcache_vd_id;
struct vd_id pcache_clean_system_files_vd_id;
#else
short pcache_wd_ref_num;
short pcache_clean_system_files_wd_ref_num;
#endif
FileTime pcache_dcl_time;
struct path_cache_list * pcache_next;
struct file_block * pcache_file_blocks;
#if defined (__MWERKS__) || defined (__MRC__)
char pcache_file_name[];
#else
char pcache_file_name[0];
#endif
};
#define BUFFER_SIZE 1024
struct file_block {
int file_block_size;
struct file_block * file_block_next;
char file_block_data[BUFFER_SIZE];
};
static struct path_cache_list *path_cache [32]={
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
};
static int simple_hash (char *name)
{
int sum;
sum=0;
while (*name)
sum += *name++;
return sum & 31;
}
void cache_dcl_path (char *file_name,
#ifdef KARBON
struct vd_id vd_id,struct vd_id clean_system_files_vd_id,
#else
short wd_ref_num,short clean_system_files_wd_ref_num,
#endif
FileTime file_time,char *path)
{
int hash_value,file_name_length;
struct path_cache_list **pcache_elem_p,*new_pcache_elem;
hash_value=simple_hash (file_name);
for (pcache_elem_p=&path_cache[hash_value]; *pcache_elem_p;
pcache_elem_p=&(*pcache_elem_p)->pcache_next)
{
if (!strcmp ((*pcache_elem_p)->pcache_file_name,file_name))
return;
}
file_name_length=strlen (file_name);
new_pcache_elem=(struct path_cache_list*)Alloc (sizeof (struct path_cache_list)+file_name_length+1,1);
if (new_pcache_elem!=NULL){
strcpy (new_pcache_elem->pcache_file_name,file_name);
new_pcache_elem->pcache_path=path;
#ifdef KARBON
new_pcache_elem->pcache_vd_id=vd_id;
new_pcache_elem->pcache_clean_system_files_vd_id=clean_system_files_vd_id;
#else
new_pcache_elem->pcache_wd_ref_num=wd_ref_num;
new_pcache_elem->pcache_clean_system_files_wd_ref_num=clean_system_files_wd_ref_num;
#endif
new_pcache_elem->pcache_dcl_time=file_time;
new_pcache_elem->pcache_next=NULL;
new_pcache_elem->pcache_file_blocks=NULL;
*pcache_elem_p=new_pcache_elem;
}
}
int search_dcl_path_in_cache (char *file_name,struct search_dcl_path_in_cache_result *r)
{
int hash_value;
struct path_cache_list **pcache_elem_p;
hash_value=simple_hash (file_name);
for (pcache_elem_p=&path_cache[hash_value]; *pcache_elem_p;
pcache_elem_p=&(*pcache_elem_p)->pcache_next)
{
if (!strcmp ((*pcache_elem_p)->pcache_file_name,file_name)){
struct path_cache_list *pcache_elem;
pcache_elem=*pcache_elem_p;
#ifdef KARBON
/*
r->fs_spec=pcache_elem->pcache_vd_id;
r->clean_system_files_fs_spec=pcache_elem->pcache_clean_system_files_fs_spec;
*/
#else
r->wd_ref_num=pcache_elem->pcache_wd_ref_num;
r->clean_system_files_wd_ref_num=pcache_elem->pcache_clean_system_files_wd_ref_num;
#endif
r->file_time=pcache_elem->pcache_dcl_time;
r->path=pcache_elem->pcache_path;
return 1;
}
}
return 0;
}
#if WRITE_DCL_MODIFICATION_TIME
struct file_block **get_file_blocks_p_and_time_of_dcl_file (char *file_name,FileTime *file_time_p)
{
int hash_value;
struct path_cache_list **pcache_elem_p;
hash_value=simple_hash (file_name);
for (pcache_elem_p=&path_cache[hash_value]; *pcache_elem_p;
pcache_elem_p=&(*pcache_elem_p)->pcache_next)
{
if (!strcmp ((*pcache_elem_p)->pcache_file_name,file_name)){
struct path_cache_list *pcache_elem;
pcache_elem=*pcache_elem_p;
*file_time_p=pcache_elem->pcache_dcl_time;
return &pcache_elem->pcache_file_blocks;
}
}
return NULL;
}
#endif
struct file_block **get_file_blocks_p_of_dcl_file (char *file_name)
{
int hash_value;
struct path_cache_list **pcache_elem_p;
hash_value=simple_hash (file_name);
for (pcache_elem_p=&path_cache[hash_value]; *pcache_elem_p;
pcache_elem_p=&(*pcache_elem_p)->pcache_next)
{
if (!strcmp ((*pcache_elem_p)->pcache_file_name,file_name))
return &(*pcache_elem_p)->pcache_file_blocks;
}
return NULL;
}
extern void clear_inline_cache (void);
void clear_cache (void)
{
clear_path_cache();
clear_inline_cache();
FreePathList();
}
void clear_path_cache (void)
{
int n;
for (n=0; n<32; ++n){
struct path_cache_list *pcache_elem,*next_pcache_elem;
pcache_elem=path_cache[n];
path_cache[n]=NULL;
while (pcache_elem!=NULL){
struct file_block *pcache_file_blocks,*next_pcache_file_block;
next_pcache_elem=pcache_elem->pcache_next;
pcache_file_blocks=pcache_elem->pcache_file_blocks;
Free (pcache_elem);
while (pcache_file_blocks!=NULL){
next_pcache_file_block=pcache_file_blocks->file_block_next;
Free (pcache_file_blocks);
pcache_file_blocks=next_pcache_file_block;
}
pcache_elem=next_pcache_elem;
}
}
}
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