/* Copyright (C) 2015-2020, Dirk Krause SPDX-License-Identifier: BSD-3-Clause */ /* WARNING: This file was generated by the dkct program (see http://dktools.sourceforge.net/ for details). 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: dk4mao8dbl.ctr */ /** @file dk4mao8dbl.c The dk4mao8dbl module. */ #line 81 "dk4mao8dbl.ctr" #include "dk4conf.h" #if DK4_HAVE_ASSERT_H #ifndef ASSERT_H_INCLUDED #include #define ASSERT_H_INCLUDED 1 #endif #endif #if DK4_HAVE_MATH_H #ifndef MATH_H_INCLUDED #if DK4_ON_WINDOWS #ifndef _USE_MATH_DEFINES #define _USE_MATH_DEFINES 1 #endif #endif #include #define MATH_H_INCLUDED 1 #endif #endif #include "dk4mao8dbl.h" #include "dk4str8.h" #if DK4_HAVE_LOCALE_H #ifndef LOCALE_H_INCLUDED #include #define LOCALE_H_INCLUDED 1 #endif #endif #line 117 "dk4mao8dbl.ctr" /** Format strings used for printf family. */ static const char * const dk4double_format_strings[] = { /* 0 */ "%.*e", /* 1 */ "%g", /* 2 */ "C" }; /** Squeeze a double written to string. CRT on Windows: Not used. @param buf Buffer containing the string. */ static void dk4double_squeeze_c8_string(char *buf) { char *ptre = NULL; char *ptrdot = NULL; char *ptrcom = NULL; char *ptrcut = NULL; char *ptr; int useexp = 1; #line 146 "dk4mao8dbl.ctr" if (NULL != buf) { ptr = buf; while('\0' != *ptr) { switch (*ptr) { case 'e': case 'E': { #line 151 "dk4mao8dbl.ctr" if (NULL == ptre) { ptre = ptr; } } break; case '.': { #line 154 "dk4mao8dbl.ctr" if (NULL == ptrdot) { ptrdot = ptr; } } break; case ',': { if (NULL == ptrcom) { ptrcom = ptr; } } break; } ptr++; } if (NULL != ptre) { #line 163 "dk4mao8dbl.ctr" *ptre = '\0'; ptr = ptre; ptr++; #line 166 "dk4mao8dbl.ctr" if (('+' == *ptr) || ('0' == *ptr)) { #line 167 "dk4mao8dbl.ctr" useexp = 0; #line 168 "dk4mao8dbl.ctr" ptr++; while('\0' != *ptr) { #line 170 "dk4mao8dbl.ctr" if ('0' != *ptr) { #line 171 "dk4mao8dbl.ctr" useexp = 1; #line 172 "dk4mao8dbl.ctr" } ptr++; } } } if (NULL != ptrdot) { ptrdot++; if ('\0' != *ptrdot) { #line 180 "dk4mao8dbl.ctr" ptrdot++; while('\0' != *ptrdot) { #line 182 "dk4mao8dbl.ctr" if ('0' == *ptrdot) { if (NULL == ptrcut) { ptrcut = ptrdot; #line 185 "dk4mao8dbl.ctr" } } else { ptrcut = NULL; #line 188 "dk4mao8dbl.ctr" } ptrdot++; } } } else { if (NULL != ptrcom) { ptrcom++; if ('\0' != *ptrcom) { ptrcom++; while ('\0' != *ptrcom) { if ('0' == *ptrcom) { if (NULL == ptrcut) { ptrcut = ptrcom; } } else { ptrcut = NULL; } ptrcom++; } } } } if ((NULL != ptre) && (0 != useexp)) { *ptre = 'e'; } if (NULL != ptrcut) { if ((NULL != ptre) && (0 != useexp)) { while ('\0' != *ptre) { *(ptrcut++) = *(ptre++); } } *ptrcut = '\0'; } } #line 223 "dk4mao8dbl.ctr" } static int dk4ma_internal_write_c8_double( char *dptr, size_t szdptr, double v, int exact, int minimize, dk4_er_t *erp ) { #if DK4_HAVE__SNPRINTF_S /* +++ _snprintf_s */ char buf[64]; int back = 0; int res = 0; #if DK4_USE_ASSERT assert(NULL != dptr); assert(0 < szdptr); #endif if (NULL != dptr) { *dptr = '\0'; } if ((NULL != dptr) && (1 < szdptr)) { if (0 != exact) { res = _snprintf_s( buf, sizeof(buf), _TRUNCATE, dk4double_format_strings[0], (int)DK4_DBL_DIGITS, v ); if ((0 < res) && ((size_t)res < sizeof(buf))) { buf[res] = '\0'; if (0 != minimize) { dk4double_squeeze_c8_string(buf); } back = dk4str8_cpy_s(dptr, szdptr, buf, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } else { res = _snprintf_s( buf, sizeof(buf), _TRUNCATE, dk4double_format_strings[1], v ); if ((0 < res) && ((size_t)res < sizeof(buf))) { buf[res] = '\0'; back = dk4str8_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; /* --- _snprintf_s */ #else #if DK4_HAVE__SNPRINTF /* +++ _snprintf */ char buf[64]; int back = 0; int res = 0; #if DK4_USE_ASSERT assert(NULL != dptr); assert(0 < szdptr); #endif if (NULL != dptr) { *dptr = '\0'; } if ((NULL != dptr) && (1 < szdptr)) { if (0 != exact) { res = _snprintf( buf, sizeof(buf), dk4double_format_strings[0], (int)DK4_DBL_DIGITS, v ); if ((0 < res) && ((size_t)res < sizeof(buf))) { buf[res] = '\0'; if (0 != minimize) { dk4double_squeeze_c8_string(buf); } back = dk4str8_cpy_s(dptr, szdptr, buf, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } else { res = _snprintf(buf, sizeof(buf), dk4double_format_strings[1], v); if ((0 < res) && ((size_t)res < sizeof(buf))) { buf[res] = '\0'; back = dk4str8_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; /* --- _snprintf */ #else #if DK4_HAVE_SNPRINTF /* +++ snprintf */ char buf[64]; int back = 0; int res = 0; #if DK4_USE_ASSERT assert(NULL != dptr); assert(0 < szdptr); #endif if (NULL != dptr) { *dptr = '\0'; } if ((NULL != dptr) && (1 < szdptr)) { if (0 != exact) { res = snprintf( buf, sizeof(buf), dk4double_format_strings[0], (int)DK4_DBL_DIGITS, v ); if ((0 < res) && ((size_t)res < sizeof(buf))) { buf[res] = '\0'; if (0 != minimize) { dk4double_squeeze_c8_string(buf); } back = dk4str8_cpy_s(dptr, szdptr, buf, erp); } else { dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } else { res = snprintf(buf, sizeof(buf), dk4double_format_strings[1], v); if ((0 < res) && ((size_t)res < sizeof(buf))) { buf[res] = '\0'; back = dk4str8_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; /* --- snprintf */ #else /* +++ sprintf */ char buf[64]; int back = 0; int res = 0; #if DK4_USE_ASSERT assert(NULL != dptr); assert(0 < szdptr); #endif if (NULL != dptr) { *dptr = '\0'; } if ((NULL != dptr) && (1 < szdptr)) { if (0 != exact) { sprintf(buf, dk4double_format_strings[0], (int)DK4_DBL_DIGITS, v); if (0 != minimize) { dk4double_squeeze_c8_string(buf); } back = dk4str8_cpy_s(dptr, szdptr, buf, erp); } else { sprintf(buf, dk4double_format_strings[1], v); back = dk4str8_cpy_s(dptr, szdptr, buf, erp); } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } return back; /* --- sprintf */ #endif #endif #endif } int dk4ma_write_c8_double( char *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_USE_ASSERT assert(NULL != dptr); assert(0 < szdptr); #endif #if (DK4_HAVE_SETLOCALE) && defined(LC_NUMERIC) oldloc = setlocale(LC_NUMERIC, NULL); (void)setlocale(LC_NUMERIC, dk4double_format_strings[2]); #endif back = dk4ma_internal_write_c8_double(dptr, szdptr, v, exact, minimize, erp); #if (DK4_HAVE_SETLOCALE) && defined(LC_NUMERIC) (void)setlocale(LC_NUMERIC, oldloc); #endif return back; }