diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/warn/format2.C')
| -rw-r--r-- | gcc/testsuite/g++.dg/warn/format2.C | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/format2.C b/gcc/testsuite/g++.dg/warn/format2.C new file mode 100644 index 000000000..639bc668b --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/format2.C @@ -0,0 +1,32 @@ +// Test for format attributes: test applying them to types in C++. +// Origin: Joseph Myers <jsm28@cam.ac.uk> +// { dg-do compile } +// { dg-options "-Wformat" } + +__attribute__((format(printf, 1, 2))) void (*tformatprintf0) (const char *, ...); +void (*tformatprintf1) (const char *, ...) __attribute__((format(printf, 1, 2))); +void (__attribute__((format(printf, 1, 2))) *tformatprintf2) (const char *, ...); +void (__attribute__((format(printf, 1, 2))) ****tformatprintf3) (const char *, ...); + +char * (__attribute__((format_arg(1))) *tformat_arg) (const char *); + +void +baz (int i) +{ + (*tformatprintf0) ("%d", i); + (*tformatprintf0) ((*tformat_arg) ("%d"), i); + (*tformatprintf0) ("%"); // { dg-warning "format" "prefix" } + (*tformatprintf0) ((*tformat_arg) ("%")); // { dg-warning "format" "prefix" } + (*tformatprintf1) ("%d", i); + (*tformatprintf1) ((*tformat_arg) ("%d"), i); + (*tformatprintf1) ("%"); // { dg-warning "format" "postfix" } + (*tformatprintf1) ((*tformat_arg) ("%")); // { dg-warning "format" "postfix" } + (*tformatprintf2) ("%d", i); + (*tformatprintf2) ((*tformat_arg) ("%d"), i); + (*tformatprintf2) ("%"); // { dg-warning "format" "nested" } + (*tformatprintf2) ((*tformat_arg) ("%")); // { dg-warning "format" "nested" } + (****tformatprintf3) ("%d", i); + (****tformatprintf3) ((*tformat_arg) ("%d"), i); + (****tformatprintf3) ("%"); // { dg-warning "format" "nested 2" } + (****tformatprintf3) ((*tformat_arg) ("%")); // { dg-warning "format" "nested 2" } +} |