+++ /dev/null
-/*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS system libraries
- * FILE: lib/sdk/crt/string/itow.c
- * PURPOSE: converts a integer to wchar_t
- * PROGRAMER:
- * UPDATE HISTORY:
- */
-
-#include <precomp.h>
-
-/*
- * @implemented
- */
-wchar_t *
-CDECL
-_i64tow(__int64 value, wchar_t *string, int radix)
-{
- ULONGLONG val;
- int negative;
- WCHAR buffer[65];
- PWCHAR pos;
- WCHAR digit;
-
- if (value < 0 && radix == 10) {
- negative = 1;
- val = -value;
- } else {
- negative = 0;
- val = value;
- } /* if */
-
- pos = &buffer[64];
- *pos = '\0';
-
- do {
- digit = (WCHAR)(val % radix);
- val = val / radix;
- if (digit < 10) {
- *--pos = '0' + digit;
- } else {
- *--pos = 'a' + digit - 10;
- } /* if */
- } while (val != 0L);
-
- if (negative) {
- *--pos = '-';
- } /* if */
-
- if (string != NULL) {
- memcpy(string, pos, (&buffer[64] - pos + 1) * sizeof(WCHAR));
- } /* if */
- return string;
-}
-
-/*
- * @implemented
- */
-int
-CDECL
-_i64tow_s(__int64 value, wchar_t *str, size_t size, int radix)
-{
- unsigned __int64 val;
- unsigned int digit;
- int is_negative;
- wchar_t buffer[65], *pos;
- size_t len;
-
- if (!MSVCRT_CHECK_PMT(str != NULL) || !MSVCRT_CHECK_PMT(size > 0) ||
- !MSVCRT_CHECK_PMT(radix >= 2) || !MSVCRT_CHECK_PMT(radix <= 36))
- {
- if (str && size)
- str[0] = '\0';
-
-#ifndef _LIBCNT_
- *_errno() = EINVAL;
-#endif
- return EINVAL;
- }
-
- if (value < 0 && radix == 10)
- {
- is_negative = 1;
- val = -value;
- }
- else
- {
- is_negative = 0;
- val = value;
- }
-
- pos = buffer + 64;
- *pos = '\0';
-
- do
- {
- digit = val % radix;
- val /= radix;
-
- if (digit < 10)
- *--pos = '0' + digit;
- else
- *--pos = 'a' + digit - 10;
- }
- while (val != 0);
-
- if (is_negative)
- *--pos = '-';
-
- len = buffer + 65 - pos;
- if (len > size)
- {
- size_t i;
- wchar_t *p = str;
-
- /* Copy the temporary buffer backwards up to the available number of
- * characters. Don't copy the negative sign if present. */
-
- if (is_negative)
- {
- p++;
- size--;
- }
-
- for (pos = buffer + 63, i = 0; i < size; i++)
- *p++ = *pos--;
-
- MSVCRT_INVALID_PMT("str[size] is too small", ERANGE);
- str[0] = '\0';
- return ERANGE;
- }
-
- memcpy(str, pos, len * sizeof(wchar_t));
- return 0;
-}
-
-/*
- * @implemented
- */
-wchar_t *
-CDECL
-_ui64tow(unsigned __int64 value, wchar_t *string, int radix)
-{
- WCHAR buffer[65];
- PWCHAR pos;
- WCHAR digit;
-
- pos = &buffer[64];
- *pos = '\0';
-
- do {
- digit = (WCHAR)(value % radix);
- value = value / radix;
- if (digit < 10) {
- *--pos = '0' + digit;
- } else {
- *--pos = 'a' + digit - 10;
- } /* if */
- } while (value != 0L);
-
- if (string != NULL) {
- memcpy(string, pos, (&buffer[64] - pos + 1) * sizeof(WCHAR));
- } /* if */
- return string;
-}
-
-/*
- * @implemented
- */
-int
-CDECL
-_ui64tow_s( unsigned __int64 value, wchar_t *str,
- size_t size, int radix )
-{
- wchar_t buffer[65], *pos;
- int digit;
-
- if (!MSVCRT_CHECK_PMT(str != NULL) || !MSVCRT_CHECK_PMT(size > 0) ||
- !MSVCRT_CHECK_PMT(radix>=2) || !MSVCRT_CHECK_PMT(radix<=36)) {
-#ifndef _LIBCNT_
- *_errno() = EINVAL;
-#endif
- return EINVAL;
- }
-
- pos = &buffer[64];
- *pos = '\0';
-
- do {
- digit = value % radix;
- value = value / radix;
- if (digit < 10)
- *--pos = '0' + digit;
- else
- *--pos = 'a' + digit - 10;
- } while (value != 0);
-
- if((size_t)(buffer-pos+65) > size) {
- MSVCRT_INVALID_PMT("str[size] is too small", EINVAL);
- return EINVAL;
- }
-
- memcpy(str, pos, buffer-pos+65);
- return 0;
-}
-
-/*
- * @implemented
- */
-wchar_t *
-CDECL
-_itow(int value, wchar_t *string, int radix)
-{
- return _ltow(value, string, radix);
-}
-
-/*
- * @implemented
- */
-int
-CDECL
-_itow_s(int value, wchar_t *str, size_t size, int radix)
-{
- return _ltow_s(value, str, size, radix);
-}
-
-/*
- * @implemented
- */
-wchar_t *
-CDECL
-_ltow(long value, wchar_t *string, int radix)
-{
- unsigned long val;
- int negative;
- WCHAR buffer[33];
- PWCHAR pos;
- WCHAR digit;
-
- if (value < 0 && radix == 10) {
- negative = 1;
- val = -value;
- } else {
- negative = 0;
- val = value;
- } /* if */
-
- pos = &buffer[32];
- *pos = '\0';
-
- do {
- digit = (WCHAR)(val % radix);
- val = val / radix;
- if (digit < 10) {
- *--pos = '0' + digit;
- } else {
- *--pos = 'a' + digit - 10;
- } /* if */
- } while (val != 0L);
-
- if (negative) {
- *--pos = '-';
- } /* if */
-
- if (string != NULL) {
- memcpy(string, pos, (&buffer[32] - pos + 1) * sizeof(WCHAR));
- } /* if */
- return string;
-}
-
-/*
- * @implemented
- */
-int
-CDECL
-_ltow_s(long value, wchar_t *str, size_t size, int radix)
-{
- unsigned long val;
- unsigned int digit;
- int is_negative;
- wchar_t buffer[33], *pos;
- size_t len;
-
- if (!MSVCRT_CHECK_PMT(str != NULL) || !MSVCRT_CHECK_PMT(size > 0) ||
- !MSVCRT_CHECK_PMT(radix >= 2) || !MSVCRT_CHECK_PMT(radix <= 36))
- {
- if (str && size)
- str[0] = '\0';
-
-#ifndef _LIBCNT_
- *_errno() = EINVAL;
-#endif
- return EINVAL;
- }
-
- if (value < 0 && radix == 10)
- {
- is_negative = 1;
- val = -value;
- }
- else
- {
- is_negative = 0;
- val = value;
- }
-
- pos = buffer + 32;
- *pos = '\0';
-
- do
- {
- digit = val % radix;
- val /= radix;
-
- if (digit < 10)
- *--pos = '0' + digit;
- else
- *--pos = 'a' + digit - 10;
- }
- while (val != 0);
-
- if (is_negative)
- *--pos = '-';
-
- len = buffer + 33 - pos;
- if (len > size)
- {
- size_t i;
- wchar_t *p = str;
-
- /* Copy the temporary buffer backwards up to the available number of
- * characters. Don't copy the negative sign if present. */
-
- if (is_negative)
- {
- p++;
- size--;
- }
-
- for (pos = buffer + 31, i = 0; i < size; i++)
- *p++ = *pos--;
-
- MSVCRT_INVALID_PMT("str[size] is too small", ERANGE);
- str[0] = '\0';
- return ERANGE;
- }
-
- memcpy(str, pos, len * sizeof(wchar_t));
- return 0;
-}
-
-/*
- * @implemented
- */
-wchar_t *
-CDECL
-_ultow(unsigned long value, wchar_t *string, int radix)
-{
- WCHAR buffer[33];
- PWCHAR pos;
- WCHAR digit;
-
- pos = &buffer[32];
- *pos = '\0';
-
- do {
- digit = (WCHAR)(value % radix);
- value = value / radix;
- if (digit < 10) {
- *--pos = '0' + digit;
- } else {
- *--pos = 'a' + digit - 10;
- } /* if */
- } while (value != 0L);
-
- if (string != NULL) {
- memcpy(string, pos, (&buffer[32] - pos + 1) * sizeof(WCHAR));
- } /* if */
- return string;
-}
projects / reactos.git / blobdiff