1 files changed, 67 insertions, 0 deletions
diff --git a/comm/third_party/json-c/vasprintf_compat.h b/comm/third_party/json-c/vasprintf_compat.h
new file mode 100644
index 0000000000..59b2e96074
--- /dev/null
+++ b/comm/third_party/json-c/vasprintf_compat.h
@@ -0,0 +1,67 @@
+#ifndef __vasprintf_compat_h
+#define __vasprintf_compat_h
+
+/**
+ * @file
+ * @brief Do not use, json-c internal, may be changed or removed at any time.
+ */
+
+#include "snprintf_compat.h"
+
+#ifndef WIN32
+#include <stdarg.h>
+#endif /* !defined(WIN32) */
+#include <stdint.h>
+#include <stdlib.h>
+
+#if !defined(HAVE_VASPRINTF)
+/* CAW: compliant version of vasprintf */
+static int vasprintf(char **buf, const char *fmt, va_list ap)
+{
+#ifndef WIN32
+	static char _T_emptybuffer = '\0';
+	va_list ap2;
+#endif /* !defined(WIN32) */
+	int chars;
+	char *b;
+
+	if (!buf)
+	{
+		return -1;
+	}
+
+#ifdef WIN32
+	chars = _vscprintf(fmt, ap);
+#else  /* !defined(WIN32) */
+	/* CAW: RAWR! We have to hope to god here that vsnprintf doesn't overwrite
+	 * our buffer like on some 64bit sun systems... but hey, it's time to move on
+	 */
+	va_copy(ap2, ap);
+	chars = vsnprintf(&_T_emptybuffer, 0, fmt, ap2);
+	va_end(ap2);
+#endif /* defined(WIN32) */
+	if (chars < 0 || (size_t)chars + 1 > SIZE_MAX / sizeof(char))
+	{
+		return -1;
+	}
+
+	b = (char *)malloc(sizeof(char) * ((size_t)chars + 1));
+	if (!b)
+	{
+		return -1;
+	}
+
+	if ((chars = vsprintf(b, fmt, ap)) < 0)
+	{
+		free(b);
+	}
+	else
+	{
+		*buf = b;
+	}
+
+	return chars;
+}
+#endif /* !HAVE_VASPRINTF */
+
+#endif /* __vasprintf_compat_h */