https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89379
Bug ID: 89379
Summary: -Wformat is supposed not to give warning
Product: gcc
Version: 8.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: lvenkatakumarchakka at gmail dot com
Target Milestone: ---
I have written code as follows:
#include<inttypes.h>
#include<stdio.h>
int main()
{
uint16_t value;
scanf( "%"PRIu16, &value );
}
seeing warning
$ gcc foo.c -Wformat
foo.c: In function ‘main’:
foo.c:7:9: warning: format ‘%u’ expects argument of type ‘unsigned int *’, but
argument 2 has type ‘uint16_t *’ {aka ‘short unsigned int *’} [-Wformat=]
scanf( "%"PRIu16, &value );
^~~ ~~~~~~
In file included from foo.c:1:
/usr/include/inttypes.h:103:19: note: format string is defined here
# define PRIu16 "u"
