/* 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: dk4mao8dbl.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 dk4mao8dbl.c The dk4mao8dbl module. */ #line 66 "dk4mao8dbl.ctr" #include "dk4mao8dbl.h" #include "dk4str8.h" #if DK4_HAVE_LOCALE_H #ifndef LOCALE_H_INCLUDED #include #define LOCALE_H_INCLUDED 1 #endif #endif #line 81 "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. @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 108 "dk4mao8dbl.ctr" if (NULL != buf) { ptr = buf; while('\0' != *ptr) { switch (*ptr) { case 'e': case 'E': { #line 113 "dk4mao8dbl.ctr" if (NULL == ptre) { ptre = ptr; } } break; case '.': { #line 116 "dk4mao8dbl.ctr" if (NULL == ptrdot) { ptrdot = ptr; } } break; case ',': { if (NULL == ptrcom) { ptrcom = ptr; } } break; } ptr++; } if (NULL != ptre) { #line 125 "dk4mao8dbl.ctr" *ptre = '\0'; ptr = ptre; ptr++; #line 128 "dk4mao8dbl.ctr" if (('+' == *ptr) || ('0' == *ptr)) { #line 129 "dk4mao8dbl.ctr" useexp = 0; #line 130 "dk4mao8dbl.ctr" ptr++; while('\0' != *ptr) { #line 132 "dk4mao8dbl.ctr" if ('0' != *ptr) { #line 133 "dk4mao8dbl.ctr" useexp = 1; #line 134 "dk4mao8dbl.ctr" } ptr++; } } } if (NULL != ptrdot) { ptrdot++; if ('\0' != *ptrdot) { #line 142 "dk4mao8dbl.ctr" ptrdot++; while('\0' != *ptrdot) { #line 144 "dk4mao8dbl.ctr" if ('0' == *ptrdot) { if (NULL == ptrcut) { ptrcut = ptrdot; #line 147 "dk4mao8dbl.ctr" } } else { ptrcut = NULL; #line 150 "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 185 "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 (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 (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 (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 (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_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; }