https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92292
Bug ID: 92292
Summary: duplicate -Wformat warnings about incorrect printf
format specifiers
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: diagnostic
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: redi at gcc dot gnu.org
Target Milestone: ---
Target: *-w64-mingw32
Using mingw-w64 the following program gives two warnings. On other target it
only gives one:
#include <stdio.h>
int main(void)
{
printf("%lu\n", (long long unsigned)3);
return 0;
}
p.c: In function 'main':
p.c:6:15: warning: format '%lu' expects argument of type 'long unsigned int',
but argument 2 has type 'long long unsigned int' [-Wformat=]
6 | printf("%lu\n", (long long unsigned)3);
| ~~^ ~~~~~~~~~~~~~~~~~~~~~
| | |
| | long long unsigned int
| long unsigned int
| %I64u
p.c:6:15: warning: format '%lu' expects argument of type 'long unsigned int',
but argument 2 has type 'long long unsigned int' [-Wformat=]
6 | printf("%lu\n", (long long unsigned)3);
| ~~^ ~~~~~~~~~~~~~~~~~~~~~
| | |
| | long long unsigned int
| long unsigned int
| %I64u
