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-rw-r--r--include/buffer.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/include/buffer.h b/include/buffer.h
new file mode 100644
index 0000000..ca94531
--- /dev/null
+++ b/include/buffer.h
@@ -0,0 +1,44 @@
+#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;
+
+ char *encoded; /* encoded data (from mbs_safe_encode_to_buffer)) */
+ size_t encoded_sz; /* space allocated for encoded data */
+
+ char **ptrs; /* saved pointers */
+ size_t nptrs; /* number of saved pointers */
+};
+
+#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, size_t *sz, size_t *width);
+char *ul_buffer_get_safe_data(struct ul_buffer *buf, size_t *sz, size_t *width, const char *safechars);
+
+size_t ul_buffer_get_bufsiz(struct ul_buffer *buf);
+
+int ul_buffer_save_pointer(struct ul_buffer *buf, unsigned short ptr_idx);
+char *ul_buffer_get_pointer(struct ul_buffer *buf, unsigned short ptr_idx);
+size_t ul_buffer_get_pointer_length(struct ul_buffer *buf, unsigned short ptr_idx);
+size_t ul_buffer_get_safe_pointer_width(struct ul_buffer *buf, unsigned short ptr_idx);
+
+
+#endif /* UTIL_LINUX_BUFFER */