From aec6b3361b3de8391177261469da6edafd39a080 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
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 <locale.h>
+#include <stdarg.h>
+
+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__*/
--
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