Muldersoft/Launch5j
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Small tweak to Java version parser.

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This commit is contained in:
LoRd_MuldeR 2020-09-28 23:06:31 +02:00
parent bdcd0abcc5
commit 23ebc433c2
1 changed files with 36 additions and 3 deletions
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39
src/head.c
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@ -511,6 +511,30 @@ typedef struct
}
java_home_t;
static BOOL is_old_format(const wchar_t *const version_str)
{
BOOL digit_flag = FALSE;
size_t pos = 0U;
while (version_str[pos] && iswspace(version_str[pos]))
{
++pos;
}
while (version_str[pos] && iswdigit(version_str[pos]))
{
digit_flag = TRUE;
++pos;
}
while (version_str[pos] && iswspace(version_str[pos]))
{
++pos;
}
if (digit_flag)
{
return (version_str[pos] == L'u') || (version_str[pos] == L'U');
}
return FALSE;
}
static ULONGLONG parse_java_version(const wchar_t *const version_str)
{
ULONGLONG version = 0ULL;
@ -521,9 +545,9 @@ static ULONGLONG parse_java_version(const wchar_t *const version_str)
wchar_t *const temp = wcsdup(version_str);
if (temp)
{
static const wchar_t *const delimiters = L".,_+";
const BOOL old_format = is_old_format(temp);
BOOL first_token = TRUE;
const wchar_t *token = wcstok(temp, delimiters);
const wchar_t *token = wcstok(temp, L".uU");
while (token)
{
const DWORD component = wcstoul(token, NULL, 10);
@ -531,8 +555,17 @@ static ULONGLONG parse_java_version(const wchar_t *const version_str)
{
version = (version << 16) | (component & 0xFFFF);
++level;
if(old_format && (level == 1U))
{
version <<= 16;
++level;
}
token = wcstok(NULL, delimiters);
}
if (level > 3U)
{
break;
}
token = wcstok(NULL, L"._+");
first_token = FALSE;
}
}