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| author | Joseph Myers <jsm28@cam.ac.uk> | 2000-09-24 10:52:53 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2000-09-24 10:52:53 +0100 |
| commit | c5412f0646a072dde262a8643ee2494fd55884eb (patch) | |
| tree | f7852db366acf162e789914802615e9d69b86606 /gcc | |
| parent | 1c44c45dbf3b62c14bcd2916365ce090d3af531a (diff) | |
| download | gcc-c5412f0646a072dde262a8643ee2494fd55884eb.zip gcc-c5412f0646a072dde262a8643ee2494fd55884eb.tar.gz gcc-c5412f0646a072dde262a8643ee2494fd55884eb.tar.bz2 | |
c-common.c (check_format_info): Warn for a wide character string used as a non-wide format argument.
* c-common.c (check_format_info): Warn for a wide character string
used as a non-wide format argument.
testsuite:
* gcc.dg/c90-printf-1.c: Add test for wide string format.
From-SVN: r36586
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/c-common.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/c90-printf-1.c | 1 |
4 files changed, 15 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9fb5b7a..55bdbc6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk> + * c-common.c (check_format_info): Warn for a wide character string + used as a non-wide format argument. + +2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk> + * builtins.def (BUILT_IN_LLABS): Add. * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS. * c-common.c (c_common_nodes_builtins): Create builtin functions diff --git a/gcc/c-common.c b/gcc/c-common.c index d72c45b..79fef42 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -2040,6 +2040,11 @@ check_format_info (status, info, params) status_warning (status, "format not a string literal, argument types not checked"); return; } + if (TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (format_tree))) != char_type_node) + { + status_warning (status, "format is a wide character string"); + return; + } format_chars = TREE_STRING_POINTER (format_tree); format_length = TREE_STRING_LENGTH (format_tree); if (format_length <= 1) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1de5ac8..46ab73b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.dg/c90-printf-1.c: Add test for wide string format. + 2000-09-22 Geoff Keating <geoffk@cygnus.com> * gcc.c-torture/compile/20000922-1.c: New file. diff --git a/gcc/testsuite/gcc.dg/c90-printf-1.c b/gcc/testsuite/gcc.dg/c90-printf-1.c index ad8adb0..4c5a6e3 100644 --- a/gcc/testsuite/gcc.dg/c90-printf-1.c +++ b/gcc/testsuite/gcc.dg/c90-printf-1.c @@ -243,5 +243,6 @@ foo (int i, int i1, int i2, unsigned int u, double d, char *s, void *p, printf ("%"); /* { dg-warning "trailing" "trailing % warning" } */ printf ("%++d", i); /* { dg-warning "repeated" "repeated flag warning" } */ printf ("%n", cn); /* { dg-warning "constant" "%n with const" } */ + printf ((const char *)L"foo"); /* { dg-warning "wide" "wide string" } */ /* Can we test for the warning for unterminated string formats? */ } |