diff options
Diffstat (limited to 'tests/test-free.c')
| -rw-r--r-- | tests/test-free.c | 31 |
1 files changed, 13 insertions, 18 deletions
diff --git a/tests/test-free.c b/tests/test-free.c index b0c084da..fff1c3a6 100644 --- a/tests/test-free.c +++ b/tests/test-free.c @@ -1,5 +1,5 @@ /* Test of free() function. - Copyright (C) 2020-2024 Free Software Foundation, Inc. + Copyright (C) 2020-2025 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -37,14 +37,9 @@ a GCC optimization. Without it, when optimizing, GCC would "know" that errno is unchanged by calling free(ptr), when ptr was the result of a malloc(...) call in the same function. */ -static int -get_errno (void) -{ - volatile int err = errno; - return err; -} - -static int (* volatile get_errno_func) (void) = get_errno; +void (*volatile my_free) (void *) = free; +#undef free +#define free my_free int main () @@ -53,11 +48,11 @@ main () { errno = 1789; /* Liberté, égalité, fraternité. */ free (NULL); - ASSERT_NO_STDIO (get_errno_func () == 1789); + ASSERT_NO_STDIO (errno == 1789); } { /* Small memory allocations. */ #define N 10000 - void * volatile ptrs[N]; + void *ptrs[N]; size_t i; for (i = 0; i < N; i++) ptrs[i] = malloc (15); @@ -65,13 +60,13 @@ main () { errno = 1789; free (ptrs[i]); - ASSERT_NO_STDIO (get_errno_func () == 1789); + ASSERT_NO_STDIO (errno == 1789); } #undef N } { /* Medium memory allocations. */ #define N 1000 - void * volatile ptrs[N]; + void *ptrs[N]; size_t i; for (i = 0; i < N; i++) ptrs[i] = malloc (729); @@ -79,13 +74,13 @@ main () { errno = 1789; free (ptrs[i]); - ASSERT_NO_STDIO (get_errno_func () == 1789); + ASSERT_NO_STDIO (errno == 1789); } #undef N } { /* Large memory allocations. */ #define N 10 - void * volatile ptrs[N]; + void *ptrs[N]; size_t i; for (i = 0; i < N; i++) ptrs[i] = malloc (5318153); @@ -93,7 +88,7 @@ main () { errno = 1789; free (ptrs[i]); - ASSERT_NO_STDIO (get_errno_func () == 1789); + ASSERT_NO_STDIO (errno == 1789); } #undef N } @@ -138,7 +133,7 @@ main () { /* Do a large memory allocation. */ size_t big_size = 0x1000000; - void * volatile ptr = malloc (big_size - 0x100); + void *ptr = malloc (big_size - 0x100); char *ptr_aligned = (char *) ((uintptr_t) ptr & ~(pagesize - 1)); /* This large memory allocation allocated a memory area from ptr_aligned to ptr_aligned + big_size. @@ -171,7 +166,7 @@ main () which increases the number of VMAs by 1, which is supposed to fail. */ free (ptr); - ASSERT_NO_STDIO (get_errno_func () == 1789); + ASSERT_NO_STDIO (errno == 1789); } } } |