Introduce sbuf_chop()

2 files changed, 11 insertions, 2 deletions

diff --git a/src/sbuf.c b/src/sbuf.c
index 8e4556d..055006d 100644
--- a/src/sbuf.c
+++ b/src/sbuf.c
@@ -143,3 +143,12 @@ sbuf_printf_concat (struct sbuf *b, char *fmt, ...)
 
   return b->data;
 }
+
+void
+sbuf_chop (struct sbuf *b)
+{
+  if (b->len)
+    {
+      b->data[--(b->len)] = '\0';
+    }
+}
diff --git a/src/sbuf.h b/src/sbuf.h
index ae4ea9c..e565efc 100644
--- a/src/sbuf.h
+++ b/src/sbuf.h
@@ -24,8 +24,7 @@
 
 #include <stdlib.h>
 
-struct
-sbuf
+struct sbuf
 {
   char *data;
   size_t len;
@@ -45,5 +44,6 @@ char *sbuf_clear (struct sbuf *b);
 char *sbuf_get (struct sbuf *b);
 char *sbuf_printf (struct sbuf *b, char *fmt, ...);
 char *sbuf_printf_concat (struct sbuf *b, char *fmt, ...);
+void  sbuf_chop (struct sbuf *b);
 
 #endif /* ! _RATPOISON_SBUF_H */