Lean and mean initial commit

Not much functionality yet

1 files changed, 31 insertions, 0 deletions

diff --git a/tmpbuffer.c b/tmpbuffer.c
new file mode 100644
index 0000000..4f2c632
--- /dev/null
+++ b/tmpbuffer.c
@@ -0,0 +1,31 @@
+#include "tmpbuffer.h"
+#include "asn1.h"
+#include <stdio.h>
+
+#define COUNT 40
+
+static char buffer[TMPLEN * COUNT];
+static int pos = 0;
+
+inline char* tmpbuffer_get()
+{
+	pos = (pos + 1) % COUNT;
+	return buffer + TMPLEN * pos;
+}
+
+void tmpbuffer_format(struct string *dest, const char *format, ...)
+{
+	va_list args;
+	va_start(args, format);
+	tmpbuffer_formatva(dest, format, args);
+	va_end(args);
+}
+
+void tmpbuffer_formatva(struct string *dest, const char *format, va_list args)
+{
+	char *b = tmpbuffer_get();
+	const int ret = vsnprintf(b, TMPLEN, format, args);
+	dest->l = (ret >= TMPLEN ? TMPLEN - 1 : ret);
+	dest->s = b;
+}
+