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added qse_mbstoipad4()/qse_wcstoipad4()/qse_ipad4tombs()/qse_ipad4towcs()

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hyung-hwan
2012-02-26 02:23:47 +00:00
parent ada60acf67
commit ee8609daf4
7 changed files with 273 additions and 125 deletions
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179
qse/lib/cmn/ipad.c
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@ -67,38 +67,50 @@ const qse_ipad6_t qse_ipad6_loopback =
};
#endif
int qse_strtoipad4 (const qse_char_t* str, qse_ipad4_t* ipad)
static int str_to_ipad4 (int mbs, const void* str, qse_size_t len, qse_ipad4_t* ipad)
{
qse_char_t c;
const void* end;
int dots = 0, digits = 0;
qse_uint32_t acc = 0, addr = 0;
qse_wchar_t c;
end = (mbs? (const void*)((const qse_mchar_t*)str + len):
(const void*)((const qse_wchar_t*)str + len));
do
{
c = *str;
if (c == QSE_T('\0'))
if (str >= end)
{
if (dots < 3 || digits == 0) return -1;
addr = (addr << 8) | acc;
break;
}
else if (c >= QSE_T('0') && c <= QSE_T('9'))
if (mbs)
{
c = *(const qse_mchar_t*)str;
str = (const qse_mchar_t*)str + 1;
}
else
{
c = *(const qse_wchar_t*)str;
str = (const qse_wchar_t*)str + 1;
}
if (c >= QSE_WT('0') && c <= QSE_WT('9'))
{
if (digits > 0 && acc == 0) return -1;
acc = acc * 10 + (c - QSE_T('0'));
if (acc > 255) return -1;
digits++;
}
else if (c == QSE_T('.'))
else if (c == QSE_WT('.'))
{
if (dots >= 3 || digits == 0) return -1;
addr = (addr << 8) | acc;
dots++; acc = 0; digits = 0;
}
else return -1;
str++;
}
while (1);
@ -106,62 +118,40 @@ int qse_strtoipad4 (const qse_char_t* str, qse_ipad4_t* ipad)
return 0;
}
int qse_strxtoipad4 (
const qse_char_t* str, qse_size_t len, qse_ipad4_t* ipad)
int qse_mbstoipad4 (const qse_mchar_t* str, qse_ipad4_t* ipad)
{
qse_char_t c;
int dots = 0, digits = 0;
qse_uint32_t acc = 0, addr = 0;
const qse_char_t* end = str + len;
do
{
if (str >= end)
{
if (dots < 3 || digits == 0) return -1;
addr = (addr << 8) | acc;
break;
}
c = *str;
if (c >= QSE_T('0') && c <= QSE_T('9'))
{
if (digits > 0 && acc == 0) return -1;
acc = acc * 10 + (c - QSE_T('0'));
if (acc > 255) return -1;
digits++;
}
else if (c == QSE_T('.'))
{
if (dots >= 3 || digits == 0) return -1;
addr = (addr << 8) | acc;
dots++; acc = 0; digits = 0;
}
else return -1;
str++;
}
while (1);
if (ipad != QSE_NULL) ipad->value = qse_hton32(addr);
return 0;
return str_to_ipad4 (1, str, qse_mbslen(str), ipad);
}
#define __BTOA(b,p,end) \
int qse_wcstoipad4 (const qse_wchar_t* str, qse_ipad4_t* ipad)
{
return str_to_ipad4 (0, str, qse_wcslen(str), ipad);
}
int qse_mbsntoipad4 (const qse_mchar_t* str, qse_size_t len, qse_ipad4_t* ipad)
{
return str_to_ipad4 (1, str, len, ipad);
}
int qse_wcsntoipad4 (const qse_wchar_t* str, qse_size_t len, qse_ipad4_t* ipad)
{
return str_to_ipad4 (0, str, len, ipad);
}
#define __BTOA(type_t,b,p,end) \
do { \
qse_char_t* sp = p; \
type_t* sp = p; \
do { \
if (p >= end) { \
if (p == sp) break; \
if (p - sp > 1) p[-2] = p[-1]; \
p[-1] = (b % 10) + QSE_T('0'); \
p[-1] = (b % 10) + '0'; \
} \
else *p++ = (b % 10) + QSE_T('0'); \
else *p++ = (b % 10) + '0'; \
b /= 10; \
} while (b > 0); \
if (p - sp > 1) { \
qse_char_t t = sp[0]; \
type_t t = sp[0]; \
sp[0] = p[-1]; \
p[-1] = t; \
} \
@ -170,14 +160,14 @@ int qse_strxtoipad4 (
#define __ADDDOT(p, end) \
do { \
if (p >= end) break; \
*p++ = QSE_T('.'); \
*p++ = '.'; \
} while (0)
qse_size_t qse_ipad4tostrx (
const qse_ipad4_t* ipad, qse_char_t* buf, qse_size_t size)
qse_size_t qse_ipad4tombs (
const qse_ipad4_t* ipad, qse_mchar_t* buf, qse_size_t size)
{
qse_byte_t b;
qse_char_t* p, * end;
qse_mchar_t* p, * end;
qse_uint32_t ip;
if (size <= 0) return 0;
@ -188,23 +178,56 @@ qse_size_t qse_ipad4tostrx (
end = buf + size - 1;
#if defined(QSE_ENDIAN_BIG)
b = (ip >> 24) & 0xFF; __BTOA (b, p, end); __ADDDOT (p, end);
b = (ip >> 16) & 0xFF; __BTOA (b, p, end); __ADDDOT (p, end);
b = (ip >> 8) & 0xFF; __BTOA (b, p, end); __ADDDOT (p, end);
b = (ip >> 0) & 0xFF; __BTOA (b, p, end);
b = (ip >> 24) & 0xFF; __BTOA (qse_mchar_t, b, p, end); __ADDDOT (p, end);
b = (ip >> 16) & 0xFF; __BTOA (qse_mchar_t, b, p, end); __ADDDOT (p, end);
b = (ip >> 8) & 0xFF; __BTOA (qse_mchar_t, b, p, end); __ADDDOT (p, end);
b = (ip >> 0) & 0xFF; __BTOA (qse_mchar_t, b, p, end);
#elif defined(QSE_ENDIAN_LITTLE)
b = (ip >> 0) & 0xFF; __BTOA (b, p, end); __ADDDOT (p, end);
b = (ip >> 8) & 0xFF; __BTOA (b, p, end); __ADDDOT (p, end);
b = (ip >> 16) & 0xFF; __BTOA (b, p, end); __ADDDOT (p, end);
b = (ip >> 24) & 0xFF; __BTOA (b, p, end);
b = (ip >> 0) & 0xFF; __BTOA (qse_mchar_t, b, p, end); __ADDDOT (p, end);
b = (ip >> 8) & 0xFF; __BTOA (qse_mchar_t, b, p, end); __ADDDOT (p, end);
b = (ip >> 16) & 0xFF; __BTOA (qse_mchar_t, b, p, end); __ADDDOT (p, end);
b = (ip >> 24) & 0xFF; __BTOA (qse_mchar_t, b, p, end);
#else
# error Unknown Endian
#endif
*p = QSE_T('\0');
*p = QSE_MT('\0');
return p - buf;
}
qse_size_t qse_ipad4towcs (
const qse_ipad4_t* ipad, qse_wchar_t* buf, qse_size_t size)
{
qse_byte_t b;
qse_wchar_t* p, * end;
qse_uint32_t ip;
if (size <= 0) return 0;
ip = ipad->value;
p = buf;
end = buf + size - 1;
#if defined(QSE_ENDIAN_BIG)
b = (ip >> 24) & 0xFF; __BTOA (qse_wchar_t, b, p, end); __ADDDOT (p, end);
b = (ip >> 16) & 0xFF; __BTOA (qse_wchar_t, b, p, end); __ADDDOT (p, end);
b = (ip >> 8) & 0xFF; __BTOA (qse_wchar_t, b, p, end); __ADDDOT (p, end);
b = (ip >> 0) & 0xFF; __BTOA (qse_wchar_t, b, p, end);
#elif defined(QSE_ENDIAN_LITTLE)
b = (ip >> 0) & 0xFF; __BTOA (qse_wchar_t, b, p, end); __ADDDOT (p, end);
b = (ip >> 8) & 0xFF; __BTOA (qse_wchar_t, b, p, end); __ADDDOT (p, end);
b = (ip >> 16) & 0xFF; __BTOA (qse_wchar_t, b, p, end); __ADDDOT (p, end);
b = (ip >> 24) & 0xFF; __BTOA (qse_wchar_t, b, p, end);
#else
# error Unknown Endian
#endif
*p = QSE_WT('\0');
return p - buf;
}
#if 0
int qse_strtoipad6 (const qse_char_t* src, qse_ipad6_t* ipad)
{
#if 0
@ -549,28 +572,4 @@ qse_size_t qse_ipad6tostrx (
#undef IP6ADDR_NWORDS
}
#if 0
int qse_strtoipad (const qse_char_t* str, qse_ipad_t* ipad)
{
if (qse_strtoipad4 (str, &ipad->u.ip4) <= -1)
{
if (qse_strtoipad6 (str, &ipad->u.ip6) <= -1) return -1;
ipad->type = QSE_IPAD_IP6;
}
else ipad->type = QSE_IPAD_IP4;
return 0;
}
int qse_strxtoipad (const qse_char_t* str, qse_size_t len, qse_ipad_t* ipad)
{
if (qse_strxtoipad4 (str, len, &ipad->u.ip4) <= -1)
{
if (qse_strxtoipad6 (str, len, &ipad->u.ip6) <= -1) return -1;
ipad->type = QSE_IPAD_IP6;
}
else ipad->type = QSE_IPAD_IP4;
return 0;
}
#endif