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/* PR77336 - -Wsuggest-attribute=format warning overly simplistic */
/* { dg-do compile } */
/* { dg-options "-Wsuggest-attribute=format" } */
#include "format.h"
const char format[] = "%i";
void foo (char *d, unsigned n, va_list va)
{
(void)&n;
/* The following calls don't imply that the enclosing function is
a candiate for the format attribute because it uses a string
constant as the format. */
vsnprintf (d, n, "%i", va);
vsnprintf (d, n, format, va);
/* In theory this should not trigger the warning either but GCC
doesn't treat the local static constant the same way as the
global and issues a false positive.
const char fmt[] = "%i";
vsnprintf (d, n, fmt, va);
*/
}
void bar (char *d, unsigned n, const char *f, va_list va)
{
(void)&n;
/* The following call suggests that the enclosing function might
be a candiate for the format attribute because it doesn't use
a string literal as the format. */
vsnprintf (d, n, f, va); /* { dg-warning "function .bar. might be a candidate for .gnu_printf. format attribute" } */
}
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