TEST(Sample, IsDigits)
{
TEST_ASSERT_TRUE(IsDigits("10"));
TEST_ASSERT_TRUE(IsDigits("01"));
TEST_ASSERT_TRUE(IsDigits("17983472938729347293874239"));
TEST_ASSERT_TRUE(IsDigits("1"));
TEST_ASSERT_FALSE(IsDigits(0));
TEST_ASSERT_FALSE(IsDigits(""));
TEST_ASSERT_FALSE(IsDigits("a"));
TEST_ASSERT_FALSE(IsDigits("0x0"));
TEST_ASSERT_FALSE(IsDigits("-10"));
TEST_ASSERT_FALSE(IsDigits("1.0"));
TEST_ASSERT_FALSE(IsDigits("1 0"));
TEST_ASSERT_FALSE(IsDigits(".0"));
}
// Compare two versions
//
int CAutoUpdater::CompareVersions(CString ver1, CString ver2)
{
int wVer1[4], wVer2[4];
int i;
TCHAR *pVer1 = ver1.GetBuffer(256);
TCHAR *pVer2 = ver2.GetBuffer(256);
for (i=0; i<4; i++)
{
wVer1[i] = 0;
wVer2[i] = 0;
}
// Get version 1 to DWORDs
TCHAR *pToken = strtok(pVer1, _T("."));
if (pToken == NULL)
{
return -21;
}
i=2;
while(pToken != NULL&&i>=0)
{
if (!IsDigits(pToken))
{
return -21; // Error in structure, too many parameters
}
wVer1[i] = atoi(pToken);
pToken = strtok(NULL, _T("."));
i--;
}
ver1.ReleaseBuffer();
// Get version 2 to DWORDs
pToken = strtok(pVer2, _T("."));
if (pToken == NULL)
{
return -22;
}
i=2;
while(pToken != NULL && i>=0)
{
if (!IsDigits(pToken))
{
return -22; // Error in structure, too many parameters
}
wVer2[i] = atoi(pToken);
pToken = strtok(NULL, _T("."));
i--;
}
ver2.ReleaseBuffer();
// Compare the versions
for (i=2; i>=0; i--)
{
if (wVer1[i] > wVer2[i])
{
return 1; // ver1 > ver 2
}
else if (wVer1[i] < wVer2[i])
{
return -1;
}
}
return 0; // ver 1 == ver 2
}
/**
* Determines whether the command line contains just the directory to apply the
* update to (old command line) or if it contains the installation directory and
* the directory to apply the update to.
*
* @param argc The argc value normally sent to updater.exe
* @param argv The argv value normally sent to updater.exe
* @param boolean True if the command line contains just the directory to apply
* the update to
*/
static bool
IsOldCommandline(int argc, LPWSTR *argv)
{
return argc == 4 && !wcscmp(argv[3], L"-1") ||
argc >= 4 && (wcsstr(argv[3], L"/replace") || IsDigits(argv[3]));
}
