1 files changed, 28 insertions, 0 deletions
diff --git a/src/utils/include/buffer.h b/src/utils/include/buffer.h
new file mode 100644
index 0000000..5bc7037
--- /dev/null
+++ b/src/utils/include/buffer.h
@@ -0,0 +1,28 @@
+#ifndef UTIL_LINUX_BUFFER
+#define UTIL_LINUX_BUFFER
+
+#include "c.h"
+
+struct ul_buffer {
+	char *begin;		/* begin of the data */
+	char *end;		/* current end of data */
+
+	size_t sz;		/* allocated space for data */
+	size_t chunksize;
+};
+
+#define UL_INIT_BUFFER { .begin = NULL }
+
+void ul_buffer_reset_data(struct ul_buffer *buf);
+void ul_buffer_free_data(struct ul_buffer *buf);
+int ul_buffer_is_empty(struct ul_buffer *buf);
+void ul_buffer_set_chunksize(struct ul_buffer *buf, size_t sz);
+void ul_buffer_refer_string(struct ul_buffer *buf, char *str);
+int ul_buffer_alloc_data(struct ul_buffer *buf, size_t sz);
+int ul_buffer_append_data(struct ul_buffer *buf, const char *data, size_t sz);
+int ul_buffer_append_string(struct ul_buffer *buf, const char *str);
+int ul_buffer_append_ntimes(struct ul_buffer *buf, size_t n, const char *str);
+int ul_buffer_set_data(struct ul_buffer *buf, const char *data, size_t sz);
+char *ul_buffer_get_data(struct ul_buffer *buf);
+
+#endif /* UTIL_LINUX_BUFFER */