diff options
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index 5e7666a..2baba02 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -193,6 +193,10 @@ int warn_format_extra_args; int warn_format_nonliteral; +/* Warn about possible security problems with calls to format functions. */ + +int warn_format_security; + /* Nonzero means warn about possible violations of sequence point rules. */ int warn_sequence_point; @@ -2363,7 +2367,7 @@ check_format_info (status, info, params) params = TREE_CHAIN (params); ++arg_num; } - if (params == 0 && warn_format_nonliteral) + if (params == 0 && (warn_format_nonliteral || warn_format_security)) status_warning (status, "format not a string literal and no format arguments"); else if (warn_format_nonliteral) status_warning (status, "format not a string literal, argument types not checked"); @@ -3401,7 +3405,10 @@ set_Wformat (setting) warn_format_y2k = setting; warn_format_extra_args = setting; if (setting != 1) - warn_format_nonliteral = setting; + { + warn_format_nonliteral = setting; + warn_format_security = setting; + } } /* Print a warning if a constant expression had overflow in folding. |