From aec6b3361b3de8391177261469da6edafd39a080 Mon Sep 17 00:00:00 2001 From: Bent Bisballe Nyeng Date: Fri, 13 Feb 2015 12:56:43 +0100 Subject: Fix locale sensitive float parsing/printing. --- src/Makefile.am | 1 + src/drumgizmo.cc | 6 ++-- src/instrumentparser.cc | 8 +++-- src/nolocale.h | 85 +++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 95 insertions(+), 5 deletions(-) create mode 100644 src/nolocale.h (limited to 'src') diff --git a/src/Makefile.am b/src/Makefile.am index b9b0aae..df9f4ca 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -23,6 +23,7 @@ EXTRA_DIST = \ midimapparser.h \ midimapper.h \ mutex.h \ + nolocale.h \ path.h \ powerlist.h \ rangemap.h \ diff --git a/src/drumgizmo.cc b/src/drumgizmo.cc index 6b48cda..5d7de70 100644 --- a/src/drumgizmo.cc +++ b/src/drumgizmo.cc @@ -43,6 +43,8 @@ #include "configuration.h" #include "configparser.h" +#include "nolocale.h" + DrumGizmo::DrumGizmo(AudioOutputEngine *o, AudioInputEngine *i) : MessageReceiver(MSGRCV_ENGINE), loader(), oe(o), ie(i) @@ -451,7 +453,7 @@ void DrumGizmo::setSamplerate(int samplerate) std::string float2str(float a) { char buf[256]; - sprintf(buf, "%f", a); + snprintf_nol(buf, sizeof(buf) - 1, "%f", a); return buf; } @@ -463,7 +465,7 @@ std::string bool2str(bool a) float str2float(std::string a) { if(a == "") return 0.0; - return atof(a.c_str()); + return atof_nol(a.c_str()); } std::string DrumGizmo::configString() diff --git a/src/instrumentparser.cc b/src/instrumentparser.cc index 0889d74..1f25bc7 100644 --- a/src/instrumentparser.cc +++ b/src/instrumentparser.cc @@ -33,6 +33,8 @@ #include "path.h" +#include "nolocale.h" + InstrumentParser::InstrumentParser(const std::string &file, Instrument &i) : instrument(i) { @@ -84,7 +86,7 @@ void InstrumentParser::startTag(std::string name, if(attr.find("power") == attr.end()) { power = -1; } else { - power = atof(attr["power"].c_str()); + power = atof_nol(attr["power"].c_str()); DEBUG(instrparser, "Instrument power set to %f\n", power); } @@ -136,8 +138,8 @@ void InstrumentParser::startTag(std::string name, return; } - lower = atof(attr["lower"].c_str()); - upper = atof(attr["upper"].c_str()); + lower = atof_nol(attr["lower"].c_str()); + upper = atof_nol(attr["upper"].c_str()); } if(name == "sampleref") { diff --git a/src/nolocale.h b/src/nolocale.h new file mode 100644 index 0000000..ac83dda --- /dev/null +++ b/src/nolocale.h @@ -0,0 +1,85 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * nolocale.h + * + * Fri Feb 13 12:48:10 CET 2015 + * Copyright 2015 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * DrumGizmo is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#ifndef __DRUMGIZMO_NOLOCALE_H__ +#define __DRUMGIZMO_NOLOCALE_H__ + +#include +#include + +static inline double atof_nol(const char *nptr) +{ + double res; + locale_t new_locale, prev_locale; + + new_locale = newlocale(LC_NUMERIC_MASK, "C", NULL); + prev_locale = uselocale(new_locale); + + res = atof(nptr); + + uselocale(prev_locale); + freelocale(new_locale); + + return res; +} + +static inline int sprintf_nol(char *str, const char *format, ...) +{ + locale_t new_locale, prev_locale; + + new_locale = newlocale(LC_NUMERIC_MASK, "C", NULL); + prev_locale = uselocale(new_locale); + + va_list vl; + va_start(vl, format); + int ret = vsprintf(str, format, vl); + va_end(vl); + + uselocale(prev_locale); + freelocale(new_locale); + + return ret; +} + +static inline int snprintf_nol(char *str, size_t size, const char *format, ...) +{ + locale_t new_locale, prev_locale; + + new_locale = newlocale(LC_NUMERIC_MASK, "C", NULL); + prev_locale = uselocale(new_locale); + + va_list vl; + va_start(vl, format); + int ret = vsnprintf(str, size, format, vl); + va_end(vl); + + uselocale(prev_locale); + freelocale(new_locale); + + return ret; +} + +#endif/*__DRUMGIZMO_NOLOCALE_H__*/ -- cgit v1.2.3