user: Demonstrate the C code that generates the assembly output below:

```asm
<set_str>:
  endbr64
  push   %r15
  push   %r14
  mov    %edi,%r14d
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x0(,%r14,8),%eax
  movb   $0x0,0x17(%rsp)
  mov    %eax,%edi
  mov    %eax,0x8(%rsp)
  call   <malloc@plt>
  test   %rax,%rax
  je     L167
  cmpb   $0xa,0x17(%rsp)
  mov    %rax,%r15
  je     L131
  xor    %r12d,%r12d
  xor    %r13d,%r13d
  lea    0x17(%rsp),%rbp
  lea    D7(%rip),%rbx
  jmp    L18
  nopl   0x0(%rax,%rax,1)
L39:
  add    $0x1,%r12d
  cmp    $0xa,%sil
  je     L83
L18:
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <scanf@plt>
  movzbl 0x17(%rsp),%esi
  mov    %r12d,%eax
  add    %r15,%rax
  mov    %sil,(%rax)
  cmp    %r12d,%r14d
  jne    L39
  cmp    $0xa,%sil
  je     L39
  mov    0x8(%rsp),%edi
  call   <malloc@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L167
  lea    (%r14,%r14,1),%eax
  mov    %eax,0xc(%rsp)
  mov    %r14d,%eax
  shl    $0x4,%eax
  mov    %eax,0x8(%rsp)
  test   %r14d,%r14d
  js     L60
  xor    %eax,%eax
  nopl   0x0(%rax)
L137:
  movzbl (%r15,%rax,1),%esi
  mov    %sil,0x0(%r13,%rax,1)
  mov    %rax,%rsi
  add    $0x1,%rax
  cmp    %r14,%rsi
  jne    L137
  mov    %r15,%rdi
  call   <free@plt>
  mov    0x8(%rsp),%edi
  call   <malloc@plt>
  mov    %rax,%r15
  test   %rax,%rax
  je     L167
  xor    %eax,%eax
  nopl   (%rax)
L52:
  movzbl 0x0(%r13,%rax,1),%esi
  mov    %sil,(%r15,%rax,1)
  mov    %rax,%rsi
  add    $0x1,%rax
  cmp    %rsi,%r14
  jne    L52
L145:
  movb   $0x0,0x17(%rsp)
  mov    0xc(%rsp),%r14d
  add    $0x1,%r12d
  jmp    L18
  nopl   0x0(%rax)
L83:
  movb   $0x0,(%rax)
  test   %r13,%r13
  je     L122
L69:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L138
  add    $0x28,%rsp
  mov    %r15,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L60:
  mov    %r15,%rdi
  call   <free@plt>
  mov    0x8(%rsp),%edi
  call   <malloc@plt>
  mov    %rax,%r15
  test   %rax,%rax
  jne    L145
  nopl   0x0(%rax)
L167:
  xor    %r15d,%r15d
  jmp    L69
L131:
  mov    $0xffffffff,%eax
  movb   $0x0,(%r15,%rax,1)
L122:
  xor    %edi,%edi
  call   <free@plt>
  jmp    L69
L138:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_tag: D7
datatype: string

tool: D7: %c

assistant: ```c
char *set_str(int length) {
  unsigned int i, size;
  char end = 10, in = 0, *aux = 0, *str;
  size = sizeof(char *) * length;
  str = malloc(size);
  if (str == 0)
    return 0;
  for (i = 0; in != end; i++) {
    scanf("%c", &in);
    str[i] = in;
    if ((i == length) & (in != end)) {
      int j;
      aux = malloc(size);
      if (aux == 0)
        return 0;
      for (j = 0; j <= length; j++)
        aux[j] = str[j];
      free(str);
      size = sizeof(char *) * (length * 2);
      str = malloc(size);
      if (str == 0)
        return 0;
      for (j = 0; j <= length; j++)
        str[j] = aux[j];
      length *= 2;
      in = 0;
    }
  }
  str[i - 1] = 0;
  if (aux == 0)
    free(aux);
  return str;
}
```