The-Powder-Toy/src/Update.cpp
jacob1 9048a3c50e new lua API: platform
you can get current OS / build information, exe name, restart tpt, open a link in the web browser, and use clipboard copy/paste functions

Also remove some older Platform.h file which wasn't really needed or used
2015-08-31 23:33:40 -04:00

157 lines
2.3 KiB
C++

#include <stdio.h>
#include <stdlib.h>
#ifndef WIN
#include <sys/param.h>
#endif
#if !defined(MACOSX) && !defined(BSD)
#include <malloc.h>
#endif
#include <string.h>
#ifdef WIN
#include <windows.h>
#else
#include <unistd.h>
#include <sys/stat.h>
#endif
#ifdef MACOSX
#include <mach-o/dyld.h>
#include <errno.h>
#endif
#include "Update.h"
#include "Platform.h"
int update_start(char *data, unsigned int len)
{
char *self = Platform::ExecutableName(), *temp;
#ifdef WIN
char *p;
#endif
FILE *f;
int res = 1;
if (!self)
return 1;
#ifdef WIN
temp = (char*)malloc(strlen(self)+12);
strcpy(temp, self);
p = temp + strlen(temp) - 4;
if (_stricmp(p, ".exe"))
p += 4;
strcpy(p, "_update.exe");
if (!MoveFile(self, temp))
goto fail;
f = fopen(self, "wb");
if (!f)
goto fail;
if (fwrite(data, 1, len, f) != len)
{
fclose(f);
DeleteFile(self);
goto fail;
}
fclose(f);
if ((uintptr_t)ShellExecute(NULL, "open", self, NULL, NULL, SW_SHOWNORMAL) <= 32)
{
DeleteFile(self);
goto fail;
}
return 0;
#else
temp = (char*)malloc(strlen(self)+8);
strcpy(temp, self);
strcat(temp, "-update");
f = fopen(temp, "w");
if (!f)
goto fail;
if (fwrite(data, 1, len, f) != len)
{
fclose(f);
unlink(temp);
goto fail;
}
fclose(f);
if (chmod(temp, 0755))
{
unlink(temp);
goto fail;
}
if (rename(temp, self))
{
unlink(temp);
goto fail;
}
execl(self, "powder-update", NULL);
#endif
fail:
free(temp);
free(self);
return res;
}
int update_finish(void)
{
#ifdef WIN
char *temp, *self = Platform::ExecutableName(), *p;
int timeout = 60, err;
#ifdef DEBUG
printf("Update: Current EXE name: %s\n", self);
#endif
temp = (char*)malloc(strlen(self)+12);
strcpy(temp, self);
p = temp + strlen(temp) - 4;
if (_stricmp(p, ".exe"))
p += 4;
strcpy(p, "_update.exe");
#ifdef DEBUG
printf("Update: Temp EXE name: %s\n", temp);
#endif
while (!DeleteFile(temp))
{
err = GetLastError();
if (err == ERROR_FILE_NOT_FOUND)
{
#ifdef DEBUG
printf("Update: Temp file deleted\n");
#endif
free(temp);
return 0;
}
Sleep(500);
timeout--;
if (timeout <= 0)
{
#ifdef DEBUG
printf("Update: Delete timeout\n");
#endif
free(temp);
return 1;
}
}
free(temp);
#endif
return 0;
}
void update_cleanup(void)
{
#ifdef WIN
update_finish();
#endif
}