diff options
Diffstat (limited to 'gcc/c-typeck.c')
| -rw-r--r-- | gcc/c-typeck.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c index cd9da659e53..c882dd90386 100644 --- a/gcc/c-typeck.c +++ b/gcc/c-typeck.c @@ -6623,8 +6623,9 @@ c_expand_return (retval) if (!retval) { current_function_returns_null = 1; - if (warn_return_type && valtype != 0 && TREE_CODE (valtype) != VOID_TYPE) - warning ("`return' with no value, in function returning non-void"); + if ((warn_return_type || flag_isoc99) + && valtype != 0 && TREE_CODE (valtype) != VOID_TYPE) + pedwarn_c99 ("`return' with no value, in function returning non-void"); expand_null_return (); } else if (valtype == 0 || TREE_CODE (valtype) == VOID_TYPE) @@ -6752,3 +6753,27 @@ c_expand_start_case (exp) return exp; } + +/* Issue an ISO C99 pedantic warning MSGID. */ + +void +pedwarn_c99 VPARAMS ((const char *msgid, ...)) +{ +#ifndef ANSI_PROTOTYPES + const char *msgid; +#endif + va_list ap; + + VA_START (ap, msgid); + +#ifndef ANSI_PROTOTYPES + msgid = va_arg (ap, const char *); +#endif + + if (flag_isoc99) + vpedwarn (msgid, ap); + else + vwarning (msgid, ap); + + va_end (ap); +} |
