2 files changed, 15 insertions, 0 deletions
diff --git a/gdb/cli/cli-utils.c b/gdb/cli/cli-utils.c
index 2cce068..62a2f12 100644
--- a/gdb/cli/cli-utils.c
+++ b/gdb/cli/cli-utils.c
@@ -234,3 +234,14 @@ skip_to_space (char *chp)
     chp++;
   return chp;
 }
+
+/* See documentation in cli-utils.h.  */
+
+char *
+remove_trailing_whitespace (const char *start, char *s)
+{
+  while (s > start && isspace (*(s - 1)))
+    --s;
+
+  return s;
+}
diff --git a/gdb/cli/cli-utils.h b/gdb/cli/cli-utils.h
index 2954c46..8a6e5b3 100644
--- a/gdb/cli/cli-utils.h
+++ b/gdb/cli/cli-utils.h
@@ -99,4 +99,8 @@ extern char *skip_spaces (char *inp);
 
 extern char *skip_to_space (char *inp);
 
+/* Reverse S to the last non-whitespace character without skipping past
+   START.  */
+
+extern char *remove_trailing_whitespace (const char *start, char *s);
 #endif /* CLI_UTILS_H */