188 lines
2.7 KiB
C++
188 lines
2.7 KiB
C++
#include <stdio.h>
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#include <stdlib.h>
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#ifndef WIN
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#include <sys/param.h>
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#endif
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#if !defined(MACOSX) && !defined(BSD)
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#include <malloc.h>
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#endif
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#include <string.h>
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#ifdef WIN
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#include <windows.h>
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#else
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#include <unistd.h>
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#include <sys/stat.h>
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#endif
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#ifdef MACOSX
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#include <mach-o/dyld.h>
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#include <errno.h>
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#endif
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#include <Update.h>
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#include <Misc.h>
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/*char *exe_name(void)
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{
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#if defined(WIN)
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char *name= (char *)malloc(64);
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DWORD max=64, res;
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while ((res = GetModuleFileName(NULL, name, max)) >= max)
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{
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#elif defined MACOSX
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char *fn=malloc(64),*name=malloc(PATH_MAX);
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uint32_t max=64, res;
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if (_NSGetExecutablePath(fn, &max) != 0)
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{
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fn = realloc(fn, max);
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_NSGetExecutablePath(fn, &max);
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}
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if (realpath(fn, name) == NULL)
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{
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free(fn);
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free(name);
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return NULL;
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}
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res = 1;
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#else
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char fn[64], *name=malloc(64);
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size_t max=64, res;
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sprintf(fn, "/proc/self/exe");
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memset(name, 0, max);
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while ((res = readlink(fn, name, max)) >= max-1)
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{
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#endif
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#ifndef MACOSX
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max *= 2;
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name = (char*)realloc(name, max);
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memset(name, 0, max);
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}
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#endif
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if (res <= 0)
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{
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free(name);
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return NULL;
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}
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return name;
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}*/
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int update_start(char *data, int len)
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{
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char *self=exe_name(), *temp;
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#ifdef WIN
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char *p;
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#endif
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FILE *f;
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int res = 1;
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if (!self)
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return 1;
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#ifdef WIN
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temp = (char*)malloc(strlen(self)+12);
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strcpy(temp, self);
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p = temp + strlen(temp) - 4;
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if (_stricmp(p, ".exe"))
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p += 4;
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strcpy(p, "_update.exe");
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if (!MoveFile(self, temp))
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goto fail;
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f = fopen(self, "wb");
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if (!f)
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goto fail;
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if (fwrite(data, 1, len, f) != len)
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{
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fclose(f);
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DeleteFile(self);
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goto fail;
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}
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fclose(f);
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if ((int)ShellExecute(NULL, "open", self, NULL, NULL, SW_SHOWNORMAL) <= 32)
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{
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DeleteFile(self);
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goto fail;
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}
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return 0;
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#else
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temp = (char*)malloc(strlen(self)+8);
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strcpy(temp, self);
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strcat(temp, "-update");
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f = fopen(temp, "w");
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if (!f)
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goto fail;
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if (fwrite(data, 1, len, f) != len)
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{
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fclose(f);
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unlink(temp);
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goto fail;
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}
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fclose(f);
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if (chmod(temp, 0755))
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{
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unlink(temp);
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goto fail;
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}
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if (rename(temp, self))
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{
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unlink(temp);
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goto fail;
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}
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execl(self, "powder-update", NULL);
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#endif
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fail:
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free(temp);
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free(self);
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return res;
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}
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int update_finish(void)
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{
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#ifdef WIN
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char *temp, *self=exe_name(), *p;
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int timeout = 60, err;
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temp = (char*)malloc(strlen(self)+12);
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strcpy(temp, self);
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p = temp + strlen(temp) - 4;
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if (_stricmp(p, ".exe"))
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p += 4;
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strcpy(p, "_update.exe");
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while (!DeleteFile(temp))
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{
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err = GetLastError();
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if (err == ERROR_FILE_NOT_FOUND)
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{
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// just as well, then
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free(temp);
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return 0;
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}
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Sleep(500);
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timeout--;
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if (timeout <= 0)
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{
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free(temp);
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return 1;
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}
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}
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free(temp);
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#endif
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return 0;
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}
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void update_cleanup(void)
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{
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#ifdef WIN
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update_finish();
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#endif
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}
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