Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/nonnull-4.c @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/nonnull-4.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,79 @@ +/* PR c/78673 - sprintf missing attribute nonnull on destination argument + Test to verify that calls to user-defined functions declared with + the "nonnull" function attribute are diagnosed. */ +/* { dg-do compile } */ +/* { dg-options "-O2 -Wnonnull" } */ + +#define N(...) __attribute__ ((nonnull (__VA_ARGS__))) + +void N (1) f1_1 (void*); + +void N (1) f2_1 (void*, void*); +void N (1) N (2) f2_1_2 (void*, void*); + +void N (1) N (3) f3_1_3 (void*, void*, void*); + +void N (1, 2) N (4) g4_1_2_4 (void*, void*, void*, void*); +void N (1, 3) N (4) g4_1_3_4 (void*, void*, void*, void*); +void N (2, 3, 4) g4_2_3_4 (void*, void*, void*, void*); + +void N () g4_all (void*, void*, void*, void*); + +void N (1, 3, 5, 7, 11, 13) +g16_1_3_5_7_11_13 (void*, void*, void*, void*, + void*, void*, void*, void*, + void*, void*, void*, void*, + void*, void*, void*, void*); + +void* null (void) { return 0; } + +void test (void) +{ + void *p0 = null (); + void *px = &px; + + f1_1 (p0); /* { dg-warning "argument 1 null where non-null expected " } */ + f1_1 (px); + + f2_1 (p0, px); /* { dg-warning "argument 1 null" } */ + f2_1 (px, p0); + f2_1 (p0, p0); /* { dg-warning "argument 1 null" } */ + + f2_1_2 (p0, px); /* { dg-warning "argument 1 null" } */ + f2_1_2 (px, p0); /* { dg-warning "argument 2 null" } */ + f2_1_2 (p0, p0); /* { dg-warning "argument 1 null" } */ + /* { dg-warning "argument 2 null" "argument 2" { target *-*-* } .-1 } */ + + f3_1_3 (p0, px, px); /* { dg-warning "argument 1 null" } */ + f3_1_3 (px, p0, px); + f3_1_3 (px, px, p0); /* { dg-warning "argument 3 null" } */ + f3_1_3 (p0, p0, px); /* { dg-warning "argument 1 null" } */ + f3_1_3 (px, p0, p0); /* { dg-warning "argument 3 null" } */ + f3_1_3 (p0, p0, p0); /* { dg-warning "argument 1 null" } */ + /* { dg-warning "argument 3 null" "argument 3" { target *-*-* } .-1 } */ + + g4_1_2_4 (p0, px, px, px); /* { dg-warning "argument 1 null" } */ + g4_1_2_4 (px, p0, px, px); /* { dg-warning "argument 2 null" } */ + g4_1_2_4 (px, px, p0, px); + g4_1_2_4 (px, px, px, p0); /* { dg-warning "argument 4 null" } */ + + g4_1_3_4 (p0, px, px, px); /* { dg-warning "argument 1 null" } */ + g4_1_3_4 (px, p0, px, px); + g4_1_3_4 (px, px, p0, px); /* { dg-warning "argument 3 null" } */ + g4_1_3_4 (px, px, px, p0); /* { dg-warning "argument 4 null" } */ + + g4_2_3_4 (p0, px, px, px); + g4_2_3_4 (px, p0, px, px); /* { dg-warning "argument 2 null" } */ + g4_2_3_4 (px, px, p0, px); /* { dg-warning "argument 3 null" } */ + g4_2_3_4 (px, px, px, p0); /* { dg-warning "argument 4 null" } */ + + g4_all (p0, px, px, px); /* { dg-warning "argument 1 null" } */ + g4_all (px, p0, px, px); /* { dg-warning "argument 2 null" } */ + g4_all (px, px, p0, px); /* { dg-warning "argument 3 null" } */ + g4_all (px, px, px, p0); /* { dg-warning "argument 4 null" } */ + + g16_1_3_5_7_11_13 (px, px, px, px, px, px, px, px, + px, px, px, px, px, px, px, px); + + g16_1_3_5_7_11_13 (px, p0, px, p0, px, p0, px, p0, p0, p0, px, p0, p0, p0, p0, p0); /* { dg-warning "argument 13 null" } */ +}