| /* { dg-skip-if "no strndup in libc" { *-*-darwin[789]* *-*-darwin10* hppa*-*-hpux* *-*-mingw* *-*-vxworks* } } */ |
| /* { dg-additional-options "-D_POSIX_C_SOURCE=200809L" } */ |
| /* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */ |
| /* { dg-additional-options "-fno-exceptions" } */ |
| |
| #include <string.h> |
| #include <stdlib.h> |
| |
| extern void requires_nonnull (void *ptr) |
| __attribute__((nonnull)); |
| |
| void test_1 (const char *s) |
| { |
| char *p = strndup (s, 42); /* { dg-message "allocated here" } */ |
| } /* { dg-warning "leak of 'p'" } */ |
| |
| void test_2 (const char *s) |
| { |
| char *p = strndup (s, 42); |
| free (p); |
| } |
| void test_3 (const char *s) |
| { |
| char *p = strndup (s, 42); /* { dg-message "this call could return NULL" } */ |
| requires_nonnull (p); /* { dg-warning "use of possibly-NULL 'p'" } */ |
| } |
