mirror of
https://github.com/mpv-player/mpv
synced 2024-12-09 16:36:15 +00:00
e117f31d23
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28268 b3059339-0415-0410-9bf9-f77b7e298cf2
512 lines
10 KiB
C
512 lines
10 KiB
C
/*
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* Modified for use with MPlayer, detailed changelog at
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* http://svn.mplayerhq.hu/mplayer/trunk/
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*/
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#include "config.h"
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#include "debug.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <pwd.h>
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#include <sys/types.h>
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#include "wine/winbase.h"
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#include "wine/winreg.h"
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#include "wine/winnt.h"
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#include "wine/winerror.h"
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#include "ext.h"
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#include "registry.h"
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#include "get_path.h"
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//#undef TRACE
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//#define TRACE printf
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// ...can be set before init_registry() call
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char* regpathname = NULL;
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static char* localregpathname = NULL;
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typedef struct reg_handle_s
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{
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int handle;
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char* name;
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struct reg_handle_s* next;
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struct reg_handle_s* prev;
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} reg_handle_t;
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struct reg_value
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{
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int type;
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char* name;
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int len;
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char* value;
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};
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static struct reg_value* regs = NULL;
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static int reg_size;
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static reg_handle_t* head = NULL;
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#define DIR -25
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static void create_registry(void);
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static void open_registry(void);
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static void save_registry(void);
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static void init_registry(void);
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static void create_registry(void){
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if(regs)
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{
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printf("Logic error: create_registry() called with existing registry\n");
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save_registry();
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return;
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}
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regs=malloc(3*sizeof(struct reg_value));
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regs[0].type=regs[1].type=DIR;
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regs[0].name=malloc(5);
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strcpy(regs[0].name, "HKLM");
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regs[1].name=malloc(5);
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strcpy(regs[1].name, "HKCU");
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regs[0].value=regs[1].value=NULL;
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regs[0].len=regs[1].len=0;
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reg_size=2;
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head = 0;
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save_registry();
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}
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static void open_registry(void)
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{
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int fd;
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int i;
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unsigned int len;
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if(regs)
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{
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printf("Multiple open_registry(>\n");
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return;
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}
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fd = open(localregpathname, O_RDONLY);
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if (fd == -1)
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{
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printf("Creating new registry\n");
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create_registry();
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return;
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}
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read(fd, ®_size, 4);
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regs=malloc(reg_size*sizeof(struct reg_value));
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head = 0;
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for(i=0; i<reg_size; i++)
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{
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read(fd,®s[i].type,4);
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read(fd,&len,4);
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regs[i].name=malloc(len+1);
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if(regs[i].name==0)
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{
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reg_size=i+1;
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goto error;
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}
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read(fd, regs[i].name, len);
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regs[i].name[len]=0;
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read(fd,®s[i].len,4);
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regs[i].value=malloc(regs[i].len+1);
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if(regs[i].value==0)
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{
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free(regs[i].name);
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reg_size=i+1;
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goto error;
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}
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read(fd, regs[i].value, regs[i].len);
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regs[i].value[regs[i].len]=0;
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}
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error:
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close(fd);
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return;
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}
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static void save_registry(void)
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{
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int fd, i;
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if (!regs)
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init_registry();
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fd = open(localregpathname, O_WRONLY | O_CREAT, 00666);
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if (fd == -1)
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{
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printf("Failed to open registry file '%s' for writing.\n",
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localregpathname);
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return;
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}
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write(fd, ®_size, 4);
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for(i=0; i<reg_size; i++)
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{
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unsigned len=strlen(regs[i].name);
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write(fd, ®s[i].type, 4);
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write(fd, &len, 4);
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write(fd, regs[i].name, len);
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write(fd, ®s[i].len, 4);
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write(fd, regs[i].value, regs[i].len);
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}
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close(fd);
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}
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void free_registry(void)
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{
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reg_handle_t* t = head;
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while (t)
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{
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reg_handle_t* f = t;
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if (t->name)
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free(t->name);
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t=t->prev;
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free(f);
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}
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head = 0;
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if (regs)
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{
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int i;
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for(i=0; i<reg_size; i++)
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{
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free(regs[i].name);
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free(regs[i].value);
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}
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free(regs);
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regs = 0;
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}
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if (localregpathname && localregpathname != regpathname)
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free(localregpathname);
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localregpathname = 0;
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}
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#if 0
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static reg_handle_t* find_handle_by_name(const char* name)
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{
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reg_handle_t* t;
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for(t=head; t; t=t->prev)
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{
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if(!strcmp(t->name, name))
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{
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return t;
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}
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}
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return 0;
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}
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#endif
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static struct reg_value* find_value_by_name(const char* name)
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{
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int i;
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for(i=0; i<reg_size; i++)
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if(!strcmp(regs[i].name, name))
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return regs+i;
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return 0;
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}
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static reg_handle_t* find_handle(int handle)
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{
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reg_handle_t* t;
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for(t=head; t; t=t->prev)
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{
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if(t->handle==handle)
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{
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return t;
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}
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}
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return 0;
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}
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static int generate_handle()
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{
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static unsigned int zz=249;
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zz++;
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while((zz==HKEY_LOCAL_MACHINE) || (zz==HKEY_CURRENT_USER))
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zz++;
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return zz;
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}
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static reg_handle_t* insert_handle(long handle, const char* name)
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{
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reg_handle_t* t;
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t=malloc(sizeof(reg_handle_t));
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if(head==0)
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{
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t->prev=0;
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}
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else
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{
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head->next=t;
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t->prev=head;
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}
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t->next=0;
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t->name=malloc(strlen(name)+1);
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strcpy(t->name, name);
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t->handle=handle;
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head=t;
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return t;
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}
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static char* build_keyname(long key, const char* subkey)
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{
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char* full_name;
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reg_handle_t* t;
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if((t=find_handle(key))==0)
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{
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TRACE("Invalid key\n");
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return NULL;
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}
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if(subkey==NULL)
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subkey="<default>";
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full_name=malloc(strlen(t->name)+strlen(subkey)+10);
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strcpy(full_name, t->name);
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strcat(full_name, "\\");
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strcat(full_name, subkey);
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return full_name;
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}
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static struct reg_value* insert_reg_value(int handle, const char* name, int type, const void* value, int len)
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{
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struct reg_value* v;
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char* fullname;
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if((fullname=build_keyname(handle, name))==NULL)
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{
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TRACE("Invalid handle\n");
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return NULL;
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}
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if((v=find_value_by_name(fullname))==0)
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//creating new value in registry
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{
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if(regs==0)
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create_registry();
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regs=(struct reg_value*)realloc(regs, sizeof(struct reg_value)*(reg_size+1));
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//regs=(struct reg_value*)my_realloc(regs, sizeof(struct reg_value)*(reg_size+1));
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v=regs+reg_size;
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reg_size++;
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}
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else
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//replacing old one
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{
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free(v->value);
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free(v->name);
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}
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TRACE("RegInsert '%s' %p v:%d len:%d\n", name, value, *(int*)value, len);
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v->type=type;
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v->len=len;
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v->value=malloc(len);
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memcpy(v->value, value, len);
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v->name=malloc(strlen(fullname)+1);
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strcpy(v->name, fullname);
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free(fullname);
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save_registry();
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return v;
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}
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static void init_registry(void)
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{
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TRACE("Initializing registry\n");
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// can't be free-ed - it's static and probably thread
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// unsafe structure which is stored in glibc
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regpathname = get_path("registry");
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localregpathname = regpathname;
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open_registry();
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insert_handle(HKEY_LOCAL_MACHINE, "HKLM");
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insert_handle(HKEY_CURRENT_USER, "HKCU");
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}
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#if 0
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static reg_handle_t* find_handle_2(long key, const char* subkey)
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{
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char* full_name;
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reg_handle_t* t;
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if((t=find_handle(key))==0)
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{
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TRACE("Invalid key\n");
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return (reg_handle_t*)-1;
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}
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if(subkey==NULL)
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return t;
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full_name=malloc(strlen(t->name)+strlen(subkey)+10);
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strcpy(full_name, t->name);
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strcat(full_name, "\\");
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strcat(full_name, subkey);
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t=find_handle_by_name(full_name);
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free(full_name);
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return t;
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}
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#endif
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long __stdcall RegOpenKeyExA(long key, const char* subkey, long reserved, long access, int* newkey)
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{
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char* full_name;
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reg_handle_t* t;
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struct reg_value* v;
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TRACE("Opening key %s\n", subkey);
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if(!regs)
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init_registry()
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;
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/* t=find_handle_2(key, subkey);
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if(t==0)
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return -1;
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if(t==(reg_handle_t*)-1)
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return -1;
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*/
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full_name=build_keyname(key, subkey);
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if(!full_name)
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return -1;
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TRACE("Opening key Fullname %s\n", full_name);
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v=find_value_by_name(full_name);
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t=insert_handle(generate_handle(), full_name);
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*newkey=t->handle;
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free(full_name);
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return 0;
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}
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long __stdcall RegCloseKey(long key)
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{
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reg_handle_t *handle;
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if(key==(long)HKEY_LOCAL_MACHINE)
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return 0;
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if(key==(long)HKEY_CURRENT_USER)
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return 0;
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handle=find_handle(key);
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if(handle==0)
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return 0;
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if(handle->prev)
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handle->prev->next=handle->next;
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if(handle->next)
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handle->next->prev=handle->prev;
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if(handle->name)
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free(handle->name);
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if(handle==head)
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head=head->prev;
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free(handle);
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return 1;
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}
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long __stdcall RegQueryValueExA(long key, const char* value, int* reserved, int* type, int* data, int* count)
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{
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struct reg_value* t;
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char* c;
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TRACE("Querying value %s\n", value);
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if(!regs)
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init_registry();
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c=build_keyname(key, value);
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if (!c)
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return 1;
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t=find_value_by_name(c);
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free(c);
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if (t==0)
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return 2;
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if (type)
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*type=t->type;
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if (data)
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{
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memcpy(data, t->value, (t->len<*count)?t->len:*count);
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TRACE("returning %d bytes: %d\n", t->len, *(int*)data);
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}
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if(*count<t->len)
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{
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*count=t->len;
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return ERROR_MORE_DATA;
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}
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else
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{
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*count=t->len;
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}
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return 0;
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}
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long __stdcall RegCreateKeyExA(long key, const char* name, long reserved,
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void* classs, long options, long security,
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void* sec_attr, int* newkey, int* status)
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{
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reg_handle_t* t;
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char* fullname;
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struct reg_value* v;
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// TRACE("Creating/Opening key %s\n", name);
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if(!regs)
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init_registry();
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fullname=build_keyname(key, name);
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if (!fullname)
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return 1;
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TRACE("Creating/Opening key %s\n", fullname);
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v=find_value_by_name(fullname);
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if(v==0)
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{
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int qw=45708;
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v=insert_reg_value(key, name, DIR, &qw, 4);
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if (status) *status=REG_CREATED_NEW_KEY;
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// return 0;
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}
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t=insert_handle(generate_handle(), fullname);
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*newkey=t->handle;
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free(fullname);
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return 0;
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}
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/*
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LONG RegEnumValue(
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HKEY hKey, // handle to key to query
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DWORD dwIndex, // index of value to query
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LPTSTR lpValueName, // address of buffer for value string
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LPDWORD lpcbValueName, // address for size of value buffer
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LPDWORD lpReserved, // reserved
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LPDWORD lpType, // address of buffer for type code
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LPBYTE lpData, // address of buffer for value data
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LPDWORD lpcbData // address for size of data buffer
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);
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*/
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long __stdcall RegEnumValueA(HKEY hkey, DWORD index, LPSTR value, LPDWORD val_count,
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LPDWORD reserved, LPDWORD type, LPBYTE data, LPDWORD count)
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{
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// currenly just made to support MSZH & ZLIB
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//printf("Reg Enum 0x%x %d %s %d data: %p %d %d >%s<\n", hkey, index,
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// value, *val_count, data, *count, reg_size, data);
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reg_handle_t* t = find_handle(hkey);
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if (t && index < 10)
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{
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struct reg_value* v=find_value_by_name(t->name);
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if (v)
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{
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memcpy(data, v->value, (v->len < *count) ? v->len : *count);
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if(*count < v->len)
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*count = v->len;
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if (type)
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*type = v->type;
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//printf("Found handle %s\n", v->name);
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return 0;
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}
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}
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return ERROR_NO_MORE_ITEMS;
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}
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long __stdcall RegSetValueExA(long key, const char* name, long v1, long v2, const void* data, long size)
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{
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char* c;
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TRACE("Request to set value %s %d\n", name, *(const int*)data);
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if(!regs)
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init_registry();
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c=build_keyname(key, name);
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if(c==NULL)
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return 1;
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insert_reg_value(key, name, v2, data, size);
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free(c);
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return 0;
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}
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long __stdcall RegEnumKeyExA(HKEY hKey, DWORD dwIndex, LPSTR lpName, LPDWORD lpcbName,
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LPDWORD lpReserved, LPSTR lpClass, LPDWORD lpcbClass,
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LPFILETIME lpftLastWriteTime)
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{
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return ERROR_NO_MORE_ITEMS;
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}
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