merge `origin/master` into `master`

1 files changed, 33 insertions, 0 deletions

diff --git a/src/crepe/util/fmt.cpp b/src/crepe/util/fmt.cpp
new file mode 100644
index 0000000..8ef1164
--- /dev/null
+++ b/src/crepe/util/fmt.cpp
@@ -0,0 +1,33 @@
+#include <cstdarg>
+#include <cstdio>
+#include <string>
+
+#include "fmt.h"
+
+using namespace std;
+
+string crepe::util::va_stringf(va_list args, const char * fmt) {
+	va_list args_copy;
+	va_copy(args_copy, args);
+
+	size_t sz = vsnprintf(NULL, 0, fmt, args_copy) + 1;
+	char * msg = (char *) malloc(sz);
+	va_end(args_copy);
+
+	vsnprintf(msg, sz, fmt, args);
+
+	string out = msg;
+	free(msg);
+
+	va_end(args);
+
+	return out;
+}
+
+string crepe::util::stringf(const char * fmt, ...) {
+	va_list args;
+	va_start(args, fmt);
+	string out = va_stringf(args, fmt);
+	va_end(args);
+	return out;
+}