C++ (Cpp) NS_taccess Examples

Example #1

File: TestAUSHelper.cpp Project: JuannyWang/gecko-dev

static bool
CheckMsg(const NS_tchar *path, const char *expected)
{
  if (NS_taccess(path, F_OK)) {
    return false;
  }

  FILE *inFP = NS_tfopen(path, NS_T("rb"));
  if (!inFP) {
    return false;
  }

  struct stat ms;
  if (fstat(fileno(inFP), &ms)) {
    return false;
  }

  char *mbuf = (char *) malloc(ms.st_size + 1);
  if (!mbuf) {
    return false;
  }

  size_t r = ms.st_size;
  char *rb = mbuf;
  size_t c = fread(rb, sizeof(char), 50, inFP);
  r -= c;
  rb += c;
  if (c == 0 && r) {
    return false;
  }
  mbuf[ms.st_size] = '\0';
  rb = mbuf;

  fclose(inFP);
  inFP = nullptr;
  return strcmp(rb, expected) == 0;
}

Example #2

File: updater.cpp Project: TaNhoSy/zimbra-mirror

static void
DoUpdate(NS_tchar *path)
{
  NS_tchar spath[MAXPATHLEN];
  NS_tchar dpath[MAXPATHLEN];
  NS_tchar upstatus[MAXPATHLEN];
  NS_tchar upparams[MAXPATHLEN];
  NS_tchar sysdir[MAXPATHLEN];
  NS_tchar msiexec[MAXPATHLEN];
  NS_tsnprintf(spath, MAXPATHLEN, NS_T("%s/update.mar"), path);
  NS_tsnprintf(dpath, MAXPATHLEN, NS_T("%s/update.msi"), path);
  NS_tsnprintf(upstatus, MAXPATHLEN, NS_T("%s/update.status"), path);
  NS_tsnprintf(upparams, MAXPATHLEN, NS_T("%s/../../update.params"), path);
  GetSystemDirectory(sysdir, MAXPATHLEN);
  NS_tsnprintf(msiexec, MAXPATHLEN, NS_T("%s\\msiexec.exe"), sysdir);

  int rv = NS_taccess(spath, F_OK | R_OK | W_OK);
  if (rv != OK) {
  	LOG(("failed: can't access update.mar (rv=%d)\n", rv));
	NS_tremove(spath);
	NS_tremove(upstatus);
	return;
  }

  NS_tremove(dpath);
  rv = NS_trename(spath, dpath);
  if (rv != OK) {
  	LOG(("failed: can't rename update.mar (rv=%d)\n", rv));
	NS_tremove(spath);
	NS_tremove(upstatus);
	return;
  }
 
  WCharReplace(dpath, L'/', L'\\');
  int largc = 3;
  NS_tchar* largv[16]; //16 being max
  largv[0] = msiexec; //first arg is the path to msiexec.exe
  largv[1] = NS_T("/i"); //second arg is the install-flag
  largv[2] = dpath; //third arg is the path to update.msi
  NS_tchar argbuf[MAXPATHLEN];
  int start = 0;
  int end = 0;

  rv = NS_taccess(upparams, F_OK | R_OK);
  char buf[MAXPATHLEN];
  if (rv == OK) {
      int fd = NS_topen(upparams, O_RDONLY | O_BINARY);
      if (fd >= 0) {
          int num = read(fd, buf, MAXPATHLEN - 1);
	  if (num > 0) {
	      buf[num] = '\0';
	      for (int i = 0; i <= num; ++i) {
                  if (buf[i] != ' ' && buf[i] != '\n' && buf[i] != '\r' && buf[i] != '\0')
                      argbuf[end++] = buf[i];
	          else if (end > start) { //we had an arg
		      largv[largc++] = argbuf + start;
		      argbuf[end++] = '\0';
		      start = end;
	          }
	      }	
	  } else
              LOG(("warn: can't read update.params\n"));
      } else
  	  LOG(("warn: can't open update.params\n"));
  } else
      LOG(("warn: can't access update.params (rv=%d)\n", rv));

  //for (int i = 0; i < largc; ++i)
  //    NS_tfprintf(stderr, NS_T("arg[%d]=%s\n"), i, largv[i]);

  LOG(("info: running %ls %ls %ls\n", largv[0], largv[1], largv[2]));
  LaunchApp(path, largc, largv);

  LOG(("succeeded\n"));
  //WriteStatusFile(path, rv);
  NS_tremove(upstatus);
}