1 files changed, 80 insertions, 0 deletions
diff --git a/src/types.c b/src/types.c
new file mode 100644
index 0000000..8c2a855
--- /dev/null
+++ b/src/types.c
@@ -0,0 +1,80 @@
+#include <leb128.h>
+#include <wasm_types.h>
+#include <stdio.h>
+
+int varuint1_read(FILE *const f, varuint1 *const out)
+{
+    unsigned long long value;
+
+    if (leb128_read_unsigned(f, 1, &value))
+        return -1;
+
+    *out = value;
+    return 0;
+}
+
+int varint7_read(FILE *const f, varint7 *const out)
+{
+    long long value;
+
+    if (leb128_read_signed(f, 7, &value))
+        return -1;
+
+    *out = value;
+    return 0;
+}
+
+int varuint7_read(FILE *const f, varuint7 *const out)
+{
+    unsigned long long value;
+
+    if (leb128_read_unsigned(f, 7, &value))
+        return -1;
+
+    *out = value;
+    return 0;
+}
+
+int varuint32_read(FILE *const f, varuint32 *out)
+{
+    unsigned long long value;
+
+    if (leb128_read_unsigned(f, 32, &value))
+        return -1;
+
+    *out = value;
+    return 0;
+}
+
+int varint32_read(FILE *const f, varint32 *const out)
+{
+    long long value;
+
+    if (leb128_read_signed(f, 32, &value))
+        return -1;
+
+    *out = value;
+    return 0;
+}
+
+int varuint64_read(FILE *const f, varuint64 *const out)
+{
+    unsigned long long value;
+
+    if (leb128_read_unsigned(f, 64, &value))
+        return -1;
+
+    *out = value;
+    return 0;
+}
+
+int varint64_read(FILE *const f, varint64 *const out)
+{
+    long long value;
+
+    if (leb128_read_signed(f, 64, &value))
+        return -1;
+
+    *out = value;
+    return 0;
+}