2 files changed, 17 insertions, 0 deletions
diff --git a/gdb/common/pathstuff.c b/gdb/common/pathstuff.c
index 82905c9e..6d8e53f 100644
--- a/gdb/common/pathstuff.c
+++ b/gdb/common/pathstuff.c
@@ -190,3 +190,15 @@ get_standard_cache_dir ()
 
   return {};
 }
+
+/* See common/pathstuff.h.  */
+
+const char *
+get_shell ()
+{
+  const char *ret = getenv ("SHELL");
+  if (ret == NULL)
+    ret = "/bin/sh";
+
+  return ret;
+}
diff --git a/gdb/common/pathstuff.h b/gdb/common/pathstuff.h
index a43b963..0a8caea 100644
--- a/gdb/common/pathstuff.h
+++ b/gdb/common/pathstuff.h
@@ -64,4 +64,9 @@ extern bool contains_dir_separator (const char *path);
 
 extern std::string get_standard_cache_dir ();
 
+/* Return the file name of the user's shell.  Normally this comes from
+   the SHELL environment variable.  */
+
+extern const char *get_shell ();
+
 #endif /* PATHSTUFF_H */