diff options
Diffstat (limited to 'gcc/c-format.c')
| -rw-r--r-- | gcc/c-format.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/gcc/c-format.c b/gcc/c-format.c index 331cd252e8f..e25c29e2a06 100644 --- a/gcc/c-format.c +++ b/gcc/c-format.c @@ -325,17 +325,20 @@ static international_format_info *international_format_list = NULL; void init_function_format_info () { + /* __builtin functions should be checked unconditionally, even with + -ffreestanding. */ + record_function_format (get_identifier ("__builtin_printf"), NULL_TREE, + printf_format_type, 1, 2); + record_function_format (get_identifier ("__builtin_fprintf"), NULL_TREE, + printf_format_type, 2, 3); + if (flag_hosted) { /* Functions from ISO/IEC 9899:1990. */ record_function_format (get_identifier ("printf"), NULL_TREE, printf_format_type, 1, 2); - record_function_format (get_identifier ("__builtin_printf"), NULL_TREE, - printf_format_type, 1, 2); record_function_format (get_identifier ("fprintf"), NULL_TREE, printf_format_type, 2, 3); - record_function_format (get_identifier ("__builtin_fprintf"), NULL_TREE, - printf_format_type, 2, 3); record_function_format (get_identifier ("sprintf"), NULL_TREE, printf_format_type, 2, 3); record_function_format (get_identifier ("scanf"), NULL_TREE, @@ -354,7 +357,7 @@ init_function_format_info () strftime_format_type, 3, 0); } - if (flag_hosted && flag_isoc99) + if (flag_hosted && (flag_isoc99 || flag_noniso_default_format_attributes)) { /* ISO C99 adds the snprintf and vscanf family functions. */ record_function_format (get_identifier ("snprintf"), NULL_TREE, |