init

1 files changed, 33 insertions, 0 deletions

diff --git a/common.c b/common.c
new file mode 100644
index 0000000..106fc7a
--- /dev/null
+++ b/common.c
@@ -0,0 +1,33 @@
+#include <stddef.h>
+
+#include "common.h"
+#include "pack.h"
+
+size_t getsize(char c)
+{
+	switch (c) {
+	case 'b': case 'B':
+	case 'x':
+		return 1;
+	case 'h': case 'H':
+	case 'i': case 'I':
+		return 2;
+	case 'l': case 'L':
+	case 'f':
+		return 4;
+	case 'q': case 'Q':
+	case 'd':
+		return 8;
+	case 's': default: return (size_t)-1;
+	}
+}
+
+const char *pack_strerror(enum pack_status status)
+{
+	switch (status) {
+	case PACK_OK: return "Success";
+	case PACK_FMTINVAL: return "Invalid format parameter";
+	case PACK_TOOSMALL: return "Buffer too small";
+	default: return "Invalid Status";
+	}
+}