aboutsummaryrefslogtreecommitdiffstats
path: root/src/util/FormatString.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'src/util/FormatString.cxx')
-rw-r--r--src/util/FormatString.cxx68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/util/FormatString.cxx b/src/util/FormatString.cxx
new file mode 100644
index 000000000..c13d0fb52
--- /dev/null
+++ b/src/util/FormatString.cxx
@@ -0,0 +1,68 @@
+/*
+ * 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 "FormatString.hxx"
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+char *
+FormatNewV(const char *fmt, va_list args)
+{
+#ifndef WIN32
+ va_list tmp;
+ va_copy(tmp, args);
+ const int length = vsnprintf(NULL, 0, fmt, tmp);
+ va_end(tmp);
+
+ if (length <= 0)
+ /* wtf.. */
+ abort();
+
+ char *buffer = new char[length + 1];
+ vsnprintf(buffer, length + 1, fmt, args);
+ return buffer;
+#else
+ /* On mingw32, snprintf() expects a 64 bit integer instead of
+ a "long int" for "%li". This is not consistent with our
+ expectation, so we're using plain sprintf() here, hoping
+ the static buffer is large enough. Sorry for this hack,
+ but WIN32 development is so painful, I'm not in the mood to
+ do it properly now. */
+
+ char buffer[16384];
+ vsprintf(buffer, fmt, args);
+
+ const size_t length = strlen(buffer);
+ char *p = new char[length + 1];
+ memcpy(p, buffer, length + 1);
+ return p;
+#endif
+}
+
+char *
+FormatNew(const char *fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+ char *p = FormatNewV(fmt, args);
+ va_end(args);
+ return p;
+}