/* WARNING: This file was generated by dkct. Changes you make here will be lost if dkct is run again! You should modify the original source and run dkct on it. Original source: dk4maowdbl.ctr */ /* Copyright (C) 2015-2017, Dirk Krause Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above opyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the author nor the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @file dk4maowdbl.c The dk4maowdbl module. */ #line 74 "dk4maowdbl.ctr" #include "dk4conf.h" #include "dk4types.h" #if DK4_HAVE_LOCALE_H #ifndef LOCALE_H_INCLUDED #include #define LOCALE_H_INCLUDED 1 #endif #endif #include "dk4mem.h" #include "dk4mao8dbl.h" #include "dk4maowdbl.h" #include "dk4str8.h" #include "dk4strw.h" /** Locale to user for conversion. */ static const char locale_kw[] = { "C" }; /** Convert double value to string. @param dptr Destination buffer pointer. @param szdptr Size of destination buffer (number of wchar_t). @param v Value to convert. @param exact Flag: Write enough digits to allow exact restoration. @param minimize Minimize exact respresentation. @param erp Error report, may be NULL. @return 1 on success, 0 on error. Error codes: - DK4_E_INVALID_ARGUMENTS
if dptr is NULL or szdptr is less than 2, - DK4_E_BUFFER_TOO_SMALL
if the destination buffer is too small to store the string. */ static void dk4double_squeeze_wc_string(wchar_t *buf) { wchar_t *ptre = NULL; wchar_t *ptrdot = NULL; wchar_t *ptrcom = NULL; wchar_t *ptrcut = NULL; wchar_t *ptr; int useexp = 1; #line 125 "dk4maowdbl.ctr" if (NULL != buf) { ptr = buf; while(L'\0' != *ptr) { if ((L'e' == *ptr) || (L'E' == *ptr)) { if (NULL == ptre) { ptre = ptr; } } else { if (L'.' == *ptr) { if (NULL == ptrdot) { ptrdot = ptr; } } else { if (L',' == *ptr) { if (NULL == ptrcom) { ptrcom = ptr; } } } } ptr++; } if (NULL != ptre) { #line 142 "dk4maowdbl.ctr" *ptre = '\0'; ptr = ptre; ptr++; if ((L'+' == *ptr) || (L'0' == *ptr)) { #line 146 "dk4maowdbl.ctr" useexp = 0; ptr++; while(L'\0' != *ptr) { if (L'0' != *ptr) { #line 150 "dk4maowdbl.ctr" useexp = 1; } ptr++; } } } if (NULL != ptrdot) { ptrdot++; if (L'\0' != *ptrdot) { #line 159 "dk4maowdbl.ctr" ptrdot++; while(L'\0' != *ptrdot) { #line 161 "dk4maowdbl.ctr" if (L'0' == *ptrdot) { if (NULL == ptrcut) { ptrcut = ptrdot; #line 164 "dk4maowdbl.ctr" } } else { ptrcut = NULL; #line 167 "dk4maowdbl.ctr" } ptrdot++; } } } else { if (NULL != ptrcom) { ptrcom++; if (L'\0' != *ptrcom) { ptrcom++; while (L'\0' != *ptrcom) { if (L'0' == *ptrcom) { if (NULL == ptrcut) { ptrcut = ptrcom; } } else { ptrcut = NULL; } ptrcom++; } } } } if ((NULL != ptre) && (0 != useexp)) { *ptre = L'e'; } if (NULL != ptrcut) { if ((NULL != ptre) && (0 != useexp)) { while (L'\0' != *ptre) { *(ptrcut++) = *(ptre++); } } *ptrcut = L'\0'; } } #line 202 "dk4maowdbl.ctr" } static int dk4ma_internal_write_wc_double( wchar_t *dptr, size_t szdptr, double v, int exact, int minimize, dk4_er_t *erp ) { #if DK4_HAVE__SNWPRINTF_S /* +++ _snwprintf_s */ wchar_t buf[64]; int back = 0; int res = 0; if (NULL != dptr) { *dptr = L'\0'; } if ((NULL != dptr) && (1 < szdptr)) { if (0 != exact) { res = _snwprintf_s( buf, DK4_SIZEOF(buf,dkChar), _TRUNCATE, L"%.*e", (int)DK4_DBL_DIGITS, v ); if ((0 < res) && (res < DK4_SIZEOF(buf,dkChar))) { buf[res] = L'\0'; if (0 != minimize) { dk4double_squeeze_wc_string(buf); } back = dk4strw_cpy_s(dptr, szdptr, buf, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } else { res = _snwprintf_s( buf, DK4_SIZEOF(buf,dkChar), _TRUNCATE, L"%g", v ); if ((0 < res) && (res < DK4_SIZEOF(buf,dkChar))) { buf[res] = L'\0'; back = dk4strw_cpy_s(dptr, szdptr, buf, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } return back; /* --- _snwprintf_s */ #else #if DK4_HAVE__SNWPRINTF /* +++ _snwprintf */ wchar_t buf[64]; int back = 0; int res = 0; if (NULL != dptr) { *dptr = L'\0'; } if ((NULL != dptr) && (1 < szdptr)) { if (0 != exact) { 0 = _snwprintf( buf, DK4_SIZEOF(buf,dkChar), L"%.*e", (int)DK4_DBL_DIGITS, v ); if ((0 < res) && (res < DK4_SIZEOF(buf,dkChar))) { buf[res] = L'\0'; if (0 != minimize) { dk4double_squeeze_wc_string(buf); } back = dk4strw_cpy_s(dptr, szdptr, buf, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } else { 0 = _snwprintf( buf, DK4_SIZEOF(buf,dkChar), L"%g", v ); if ((0 < res) && (res < DK4_SIZEOF(buf,dkChar))) { buf[res] = L'\0'; back = dk4strw_cpy_s(dptr, szdptr, buf, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } return back; /* --- _snwprintf */ #else #if DK4_HAVE_SNWPRINTF wchar_t buf[64]; int back = 0; int res = 0; if (NULL != dptr) { *dptr = L'\0'; } if ((NULL != dptr) && (1 < szdptr)) { if (0 != exact) { res = snwprintf(buf,DK4_SIZEOF(buf,dkChar),L"%.*e",(int)DK4_DBL_DIGITS,v); if ((0 < res) && (res < DK4_SIZEOF(buf,dkChar))) { buf[res] = L'\0'; if (0 != minimize) { dk4double_squeeze_wc_string(buf); } back = dk4strw_cpy_s(dptr, szdptr, buf, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } else { res = snwprintf(buf, DK4_SIZEOF(buf,dkChar), L"%g", v); if ((0 < res) && (res < DK4_SIZEOF(buf,dkChar))) { buf[res] = L'\0'; back = dk4strw_cpy_s(dptr, szdptr, buf, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } return back; #else #if DK4_HAVE_SWPRINTF /* +++ swprintf */ wchar_t buf[64]; int back = 0; int res = 0; if (NULL != dptr) { *dptr = L'\0'; } if ((NULL != dptr) && (1 < szdptr)) { if (0 != exact) { res = swprintf(buf,DK4_SIZEOF(buf,dkChar),L"%.*e",(int)DK4_DBL_DIGITS,v); if ((0 < res) && (res < DK4_SIZEOF(buf,dkChar))) { buf[res] = L'\0'; if (0 != minimize) { dk4double_squeeze_wc_string(buf); } back = dk4strw_cpy_s(dptr, szdptr, buf, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } else { res = swprintf(buf, DK4_SIZEOF(buf,dkChar), L"%g", v); if ((0 < res) && (res < DK4_SIZEOF(buf,dkChar))) { buf[res] = L'\0'; back = dk4strw_cpy_s(dptr, szdptr, buf, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } return back; /* --- swprintf */ #else char buf[64]; char *p1; wchar_t *p2; int back = 0; if ((NULL != dptr) && (1 < szdptr)) { if (0 != dk4ma_write_c8_double(buf,sizeof(buf),v,exact,minimize,erp)) { if (dk4str8_len(buf) < szdptr) { p2 = dptr; p1 = buf; while ('\0' != *p1) { *(p2++) = (wchar_t)(*(p1++)); } *p2 = L'\0'; back = 1; } else { dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } return back; #endif #endif #endif #endif } int dk4ma_write_wc_double( wchar_t *dptr, size_t szdptr, double v, int exact, int minimize, dk4_er_t *erp ) { #if (DK4_HAVE_SETLOCALE) && defined(LC_NUMERIC) char *oldloc = NULL; #endif int back = 0; #if (DK4_HAVE_SETLOCALE) && defined(LC_NUMERIC) oldloc = setlocale(LC_NUMERIC, NULL); (void)setlocale(LC_NUMERIC, locale_kw); #endif back = dk4ma_internal_write_wc_double(dptr, szdptr, v, exact, minimize, erp); #if (DK4_HAVE_SETLOCALE) && defined(LC_NUMERIC) (void)setlocale(LC_NUMERIC, oldloc); #endif return back; }