/* See e.g. https://en.cppreference.com/w/c/io/fprintf and https://www.man7.org/linux/man-pages/man3/sprintf.3.html */ extern int sprintf(char* dst, const char* fmt, ...) __attribute__((__nothrow__)); #include "../../gcc.dg/analyzer/analyzer-decls.h" void test_text_ok (void) { char buf[16]; sprintf (buf, "hello world"); } void test_text_oob (void) { char buf[3]; sprintf (buf, "hello world"); /* { dg-warning "out-of-bounds" "PR analyzer/107017" { xfail *-*-* } } */ } void test_percent_s_ok (void) { char buf[16]; sprintf (buf, "%s", "foo"); } void test_percent_s_oob (void) { char buf[3]; sprintf (buf, "%s", "foo"); /* { dg-warning "out-of-bounds" "PR analyzer/107017" { xfail *-*-* } } */ } void test_percent_i_ok (void) { char buf[16]; sprintf (buf, "%i", "42"); } void test_percent_i_oob (void) { char buf[4]; sprintf (buf, "%i", "1066"); /* { dg-warning "out-of-bounds" "PR analyzer/107017" { xfail *-*-* } } */ }