Make pb_decode_varint32 public API

pb_decode.c

@@ -24,7 +24,6 @@
 typedef bool (*pb_decoder_t)(pb_istream_t *stream, const pb_field_t *field, void *dest) checkreturn;
 
 static bool checkreturn buf_read(pb_istream_t *stream, pb_byte_t *buf, size_t count);
-static bool checkreturn pb_decode_varint32(pb_istream_t *stream, uint32_t *dest);
 static bool checkreturn read_raw_value(pb_istream_t *stream, pb_wire_type_t wire_type, pb_byte_t *buf, size_t *size);
 static bool checkreturn decode_static_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *iter);
 static bool checkreturn decode_callback_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *iter);
@@ -170,7 +169,7 @@ pb_istream_t pb_istream_from_buffer(const pb_byte_t *buf, size_t bufsize)
  * Helper functions *
  ********************/
 
-static bool checkreturn pb_decode_varint32(pb_istream_t *stream, uint32_t *dest)
+bool checkreturn pb_decode_varint32(pb_istream_t *stream, uint32_t *dest)
 {
     pb_byte_t byte;
     uint32_t result;

pb_decode.h

@@ -126,6 +126,10 @@ bool pb_skip_field(pb_istream_t *stream, pb_wire_type_t wire_type);
  * int64, uint32 and uint64 field types. */
 bool pb_decode_varint(pb_istream_t *stream, uint64_t *dest);
 
+/* Decode an integer in the varint format. This works for bool, enum, int32,
+ * and uint32 field types. */
+bool pb_decode_varint32(pb_istream_t *stream, uint32_t *dest);
+
 /* Decode an integer in the zig-zagged svarint format. This works for sint32
  * and sint64. */
 bool pb_decode_svarint(pb_istream_t *stream, int64_t *dest);