Add string API

1 files changed, 30 insertions, 0 deletions

diff --git a/libnul.h b/libnul.h
index 2c614aa..539f8f2 100644
--- a/libnul.h
+++ b/libnul.h
@@ -21,6 +21,7 @@
 
 #include <stdint.h>
 #include <glib.h>
+#include <stdarg.h>
 
 /* These macros come from glib */
 
@@ -49,6 +50,35 @@ void **nul_parr_append (void **arr, gpointer data) G_GNUC_WARN_UNUSED_RESULT;
 gsize  nul_parr_len    (void **arr);
 void   nul_parr_free   (void **arr);
 
+/* Strings */
+typedef char nul_string_t;
+
+nul_string_t *nul_string_new              (void);
+void          nul_string_free             (void);
+gsize         nul_string_len              (const nul_string_t  *str);
+gboolean      nul_string_empty            (const nul_string_t  *str);
+nul_string_t *nul_string_append_undefined (nul_string_t        *string,
+					   gsize                n_bytes,
+					   nul_string_t       **tail);
+nul_string_t *nul_string_append           (nul_string_t        *string,
+					   const char          *bytes,
+					   gssize               n_bytes);
+nul_string_t *nul_string_append_printf    (nul_string_t        *string,
+					   const char          *fmt,
+					   ...);
+nul_string_t *nul_string_append_vprintf   (nul_string_t        *string,
+					   const char          *fmt,
+					   va_list              args);
+void          nul_string_swap             (nul_string_t       **str1,
+					   nul_string_t       **str2);
+void          nul_string_transfer_data    (nul_string_t       **dest,
+					   nul_string_t       **src,
+					   gssize               n_bytes);
+nul_string_t *nul_string_delete_head      (nul_string_t        *str,
+					   gsize                n_bytes);
+nul_string_t *nul_string_delete_tail      (nul_string_t        *str,
+					   gsize                n_bytes);
+
 typedef union
 {
     uint32_t		v_uint32;