maint: avoid false-positive used-uninit. warning from gcc

* sed/sed.h (IF_LINT): Define.
* sed/compile.c (snarf_char_class) [lint]: Use it to initialize DELIM,
so that gcc doesn't report it is used uninitialized.

2 files changed, 8 insertions, 1 deletions

diff --git a/sed/compile.c b/sed/compile.c
index 77aec27..b94b199 100644
--- a/sed/compile.c
+++ b/sed/compile.c
@@ -439,7 +439,7 @@ snarf_char_class(b, cur_stat)
 {
   int ch;
   int state = 0;
-  int delim;
+  int delim IF_LINT ( = 0) ;
   bool pending_mb = 0;
 
   ch = inchar();
diff --git a/sed/sed.h b/sed/sed.h
index 1ca489f..5f947e9 100644
--- a/sed/sed.h
+++ b/sed/sed.h
@@ -262,3 +262,10 @@ extern bool is_utf8;
 
 extern int brlen (int ch, mbstate_t *ps);
 extern void initialize_mbcs (void);
+
+/* Use this to suppress gcc's '...may be used before initialized' warnings. */
+#ifdef lint
+# define IF_LINT(Code) Code
+#else
+# define IF_LINT(Code) /* empty */
+#endif