diff options
| author | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-09-22 19:06:29 +0000 |
|---|---|---|
| committer | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-09-22 19:06:29 +0000 |
| commit | 7c9b35dac2be372b65bcfa42c138df56601645f1 (patch) | |
| tree | 2b2e6635a5d2abc634d9e996e64c0528d5207f80 /gcc/c-format.c | |
| parent | a6857c0f7ab371c9b6fdfbeddf46e6ba678c4240 (diff) | |
| download | gcc-7c9b35dac2be372b65bcfa42c138df56601645f1.tar.gz | |
* c-format.c (init_function_format_info): Check __builtin_printf
and __builtin_fprintf even if -ffreestanding. Check C99 functions
in gnu89 mode.
testsuite:
* gcc.dg/format/builtin-1.c, gcc.dg/format/ext-6.c: New tests.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45757 138bc75d-0d04-0410-961f-82ee72b054a4
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, |