From 29030b54c98b0aee65fbc10ebf7ba36bed98c02c Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Sat, 10 Aug 2013 18:02:44 +0200 Subject: util/Error: new error passing library Replaces GLib's GError. --- src/util/Error.cxx | 114 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 src/util/Error.cxx (limited to 'src/util/Error.cxx') diff --git a/src/util/Error.cxx b/src/util/Error.cxx new file mode 100644 index 000000000..1e6bd9cff --- /dev/null +++ b/src/util/Error.cxx @@ -0,0 +1,114 @@ +/* + * Copyright (C) 2003-2013 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program 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. + * + * This program 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 this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" +#include "Error.hxx" +#include "Domain.hxx" + +#include + +#include +#include +#include + +const Domain errno_domain("errno"); + +Error::~Error() {} + +void +Error::Set(const Domain &_domain, int _code, const char *_message) +{ + domain = &_domain; + code = _code; + message.assign(_message); +} + +void +Error::Format2(const Domain &_domain, int _code, const char *fmt, ...) +{ + char buffer[1024]; + va_list ap; + va_start(ap, fmt); + vsnprintf(buffer, sizeof(buffer), fmt, ap); + va_end(ap); + + Set(_domain, _code, buffer); +} + +void +Error::FormatPrefix(const char *fmt, ...) +{ + char buffer[1024]; + va_list ap; + va_start(ap, fmt); + vsnprintf(buffer, sizeof(buffer), fmt, ap); + va_end(ap); + + AddPrefix(buffer); +} + +void +Error::SetErrno(int e) +{ + Set(errno_domain, e, g_strerror(e)); +} + +void +Error::SetErrno() +{ + SetErrno(errno); +} + +void +Error::SetErrno(int e, const char *prefix) +{ + Format(errno_domain, e, "%s: %s", prefix, g_strerror(e)); +} + +void +Error::SetErrno(const char *prefix) +{ + SetErrno(errno, prefix); +} + +void +Error::FormatErrno(int e, const char *fmt, ...) +{ + char buffer[1024]; + va_list ap; + va_start(ap, fmt); + vsnprintf(buffer, sizeof(buffer), fmt, ap); + va_end(ap); + + SetErrno(e, buffer); +} + +void +Error::FormatErrno(const char *fmt, ...) +{ + const int e = errno; + + char buffer[1024]; + va_list ap; + va_start(ap, fmt); + vsnprintf(buffer, sizeof(buffer), fmt, ap); + va_end(ap); + + SetErrno(e, buffer); +} -- cgit v1.2.3