File: malloc-size-too-big.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (23 lines) | stat: -rw-r--r-- 1,081 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
// RUN: %clangxx_memprof -O0 %s -o %t
// RUN: %env_memprof_opts=log_path=stderr:allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-SUMMARY
// RUN: %env_memprof_opts=log_path=stderr:allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL
// Test print_summary
// RUN: %env_memprof_opts=log_path=stderr:allocator_may_return_null=0:print_summary=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NOSUMMARY

#include <stdio.h>
#include <stdlib.h>

static const size_t kMaxAllowedMallocSizePlusOne = (1ULL << 40) + 1;
int main() {
  void *p = malloc(kMaxAllowedMallocSizePlusOne);
  // CHECK: {{ERROR: MemProfiler: requested allocation size .* exceeds maximum supported size}}
  // CHECK: {{#0 0x.* in .*malloc}}
  // CHECK: {{#1 0x.* in main .*malloc-size-too-big.cpp:}}[[@LINE-3]]
  // CHECK-SUMMARY: SUMMARY: MemProfiler: allocation-size-too-big
  // CHECK-NOSUMMARY-NOT: SUMMARY:

  printf("malloc returned: %zu\n", (size_t)p);
  // CHECK-NULL: malloc returned: 0

  return 0;
}