File: attr-format_arg.c

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (13 lines) | stat: -rw-r--r-- 390 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
// RUN: %clang_cc1 -fsyntax-only -verify %s

int printf(const char *, ...);

const char* f(const char *s) __attribute__((format_arg(1)));

void g(const char *s) {
  printf("%d", 123);
  printf("%d %d", 123); // expected-warning{{more '%' conversions than data arguments}}

  printf(f("%d"), 123);
  printf(f("%d %d"), 123); // expected-warning{{more '%' conversions than data arguments}}
}