xref: /llvm-project/compiler-rt/test/nsan/intercep_strsep.cpp (revision 1601879f5d690595889a5537c0049b62df4657c7)
1*1601879fSAlexander Shaposhnikov // RUN: %clangxx_nsan -O2 %s -o %t
2*1601879fSAlexander Shaposhnikov // RUN: %run %t 2>&1 | FileCheck %s
3*1601879fSAlexander Shaposhnikov 
4*1601879fSAlexander Shaposhnikov #include <cstring>
5*1601879fSAlexander Shaposhnikov #include <iostream>
6*1601879fSAlexander Shaposhnikov 
7*1601879fSAlexander Shaposhnikov extern "C" void __nsan_dump_shadow_mem(const char *addr, size_t size_bytes,
8*1601879fSAlexander Shaposhnikov                                        size_t bytes_per_line, size_t reserved);
9*1601879fSAlexander Shaposhnikov 
10*1601879fSAlexander Shaposhnikov int main() {
11*1601879fSAlexander Shaposhnikov   // Define a C-style string with commas as delimiters
12*1601879fSAlexander Shaposhnikov   char input[] = "apple,banana,cherry,date";
13*1601879fSAlexander Shaposhnikov   char *token;
14*1601879fSAlexander Shaposhnikov   char *rest = input; // Pointer to keep track of the rest of the string
15*1601879fSAlexander Shaposhnikov 
16*1601879fSAlexander Shaposhnikov   // Tokenize the string using strsep
17*1601879fSAlexander Shaposhnikov   while ((token = strsep(&rest, ",")) != NULL) {
18*1601879fSAlexander Shaposhnikov     std::cout << token << std::endl;
19*1601879fSAlexander Shaposhnikov   }
20*1601879fSAlexander Shaposhnikov 
21*1601879fSAlexander Shaposhnikov   __nsan_dump_shadow_mem(&input[5], 1, 1, 0);
22*1601879fSAlexander Shaposhnikov   // CHECK: 0x{{[a-f0-9]*}}:    _
23*1601879fSAlexander Shaposhnikov   return 0;
24*1601879fSAlexander Shaposhnikov }
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