Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/nonnull-2.c @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 1830386684a0 |
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/* Test for the bad usage of "nonnull" function attribute parms. */ /* { dg-do compile } */ /* { dg-options "-Wnonnull-compare" } */ void bar (char **); __attribute__((nonnull (1, 3))) int foo (char *cp1, char *cp2, char *cp3, char *cp4) { if (cp1 == (char *) 0) /* { dg-warning "nonnull argument" "cp1 compared to NULL" } */ return 1; cp1 = cp2; if (cp1 == (char *) 0) /* { dg-bogus "nonnull argument" } */ return 2; if (!cp4) /* { dg-bogus "nonnull argument" } */ return 3; char **p = &cp3; bar (p); if (cp3 == (char *) 0) /* { dg-bogus "nonnull argument" } */ return 4; return 5; }