205 lines
3.7 KiB
C
205 lines
3.7 KiB
C
/* Test for -Wtraditional warnings on ISO C function definitions.
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Note, gcc should omit these warnings in system header files.
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Origin: Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 6/30/2002. */
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/* { dg-do compile } */
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/* { dg-options "-Wtraditional -std=gnu89" } */
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/* Test some simple cases. */
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void f_void1 (void) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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return;
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}
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void f_void2 ()
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{
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return;
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}
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void f_int1 (int f) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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return;
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}
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void f_int2 (f)
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int f;
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{
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return;
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}
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/* Test that we don't ever warn about nested functions. */
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void f_int3 (int f) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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void f3a (void) { return; }
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void f3b () { return; }
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void f3c (int f) { return; }
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void f3d (f) int f; { return; }
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void f3e (const char *f, ...) { return; }
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return;
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}
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void f_int4 (int f) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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void f4a (void) { return; }
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void f4b () { return; }
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void f4c (int f) { return; }
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void f4d (f) int f; { return; }
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void f4e (const char *f, ...) { return; }
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auto f4f (void) { return 0; }
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return;
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}
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void f_int5 (f)
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int f;
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{
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void f5a (void) { return; }
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void f5b () { return; }
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void f5c (int f) { return; }
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void f5d (f) int f; { return; }
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void f5e (const char *f, ...) { return; }
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return;
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}
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void f_int6 (f)
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int f;
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{
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void f6a (void) { return; }
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void f6b () { return; }
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void f6c (int f) { return; }
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void f6d (f) int f; { return; }
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void f6e (const char *f, ...) { return; }
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auto f6f (void) { return 0; }
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return;
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}
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/* Test that prototypes are silently accepted and function definitions
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are still warned about. */
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extern void f_int_p1 (int);
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void f_int_p1 (int f) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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return;
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}
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extern void f_int_p2 (int f);
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void f_int_p2 (int f) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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return;
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}
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extern void f_int_p3 (int);
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void f_int_p3 (f)
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int f;
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{
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return;
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}
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extern void f_int_p4 (int f);
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void f_int_p4 (f)
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int f;
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{
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return;
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}
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extern void f_void_p1 ();
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void f_void_p1 (void) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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return;
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}
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extern void f_void_p2 (void);
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void f_void_p2 (void) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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return;
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}
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extern void f_blank_p1 ();
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void f_blank_p1 ()
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{
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return;
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}
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extern void f_blank_p2 (void);
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void f_blank_p2 ()
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{
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return;
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}
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/* Test some implicit int functions. */
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f_impl1()
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{
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return 0;
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}
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f_impl2(void) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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return 0;
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}
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f_impl3(int f) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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return 0;
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}
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/* Test stdarg functions. */
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f_stdarg1(const char *s, ...) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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return 0;
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}
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void f_stdarg2(const char *s, ...) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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return;
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}
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extern void f_stdarg3(const char *, ...);
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void f_stdarg3(const char *s, ...) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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return;
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}
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/* Test handling function pointer parameters. */
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void f_fnptr1 (int f, int (*fp)(int));
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void f_fnptr1 (int f, int (*fp)(int)) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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return;
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}
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void f_fnptr2 (int f, int (*fp)(int));
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void f_fnptr2 (f, fp)
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int f;
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int (*fp)(int);
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{
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return;
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}
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/* Test for main. */
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int
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main (int argc, char **argv) /* { dg-warning "traditional C rejects ISO C style" } */
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{
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return 0;
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}
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# 182 "sys-header.h" 3
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/* We are in system headers now, no -Wtraditional warnings should issue. */
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void fsys1 (void)
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{
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return;
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}
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void fsys2 (int f)
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{
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return;
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}
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void fsys3 (const char *f, ...)
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{
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return;
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}
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