user: 这段汇编代码用C语言表示是什么样的:

```asm
<test_strfmt>:
  endbr64
  push   %r15
  mov    $0x400,%esi
  lea    D84(%rip),%r15
  push   %r14
  lea    D29(%rip),%r14
  push   %r13
  mov    %r14,%rdx
  movabs $0x1b69b4bacd05f15,%r13
  push   %r12
  mov    %r13,%rcx
  push   %rbp
  push   %rbx
  sub    $0x818,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x808(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  lea    0x400(%rsp),%r12
  mov    %rbp,%rdi
  call   <strfmt@plt>
  mov    %r13,%rcx
  mov    %r14,%rdx
  mov    $0x400,%esi
  mov    %eax,%ebx
  mov    %r12,%rdi
  lea    D162(%rip),%r14
  xor    %eax,%eax
  call   <snprintf@plt>
  xor    %edi,%edi
  cmp    $0x12,%ebx
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r14,%rdx
  mov    $0x7b,%ecx
  mov    %rbp,%rdi
  mov    $0x400,%esi
  xor    %eax,%eax
  call   <strfmt@plt>
  mov    %r14,%rdx
  mov    $0x7b,%ecx
  mov    %r12,%rdi
  mov    %eax,%ebx
  mov    $0x400,%esi
  lea    D157(%rip),%r14
  xor    %eax,%eax
  call   <snprintf@plt>
  xor    %edi,%edi
  cmp    $0x6,%ebx
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r14,%rdx
  mov    $0xffffff85,%ecx
  mov    %rbp,%rdi
  mov    $0x400,%esi
  xor    %eax,%eax
  call   <strfmt@plt>
  mov    %r14,%rdx
  mov    $0xffffff85,%ecx
  mov    %r12,%rdi
  mov    %eax,%ebx
  mov    $0x400,%esi
  lea    D130(%rip),%r14
  xor    %eax,%eax
  call   <snprintf@plt>
  xor    %edi,%edi
  cmp    $0x4,%ebx
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r13,%rcx
  mov    %r14,%rdx
  mov    $0x400,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <strfmt@plt>
  mov    %r13,%rcx
  mov    %r14,%rdx
  mov    $0x400,%esi
  mov    %eax,%ebx
  mov    %r12,%rdi
  lea    D137(%rip),%r14
  xor    %eax,%eax
  call   <snprintf@plt>
  xor    %edi,%edi
  cmp    $0x12,%ebx
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r14,%rdx
  mov    $0x7b,%ecx
  mov    %rbp,%rdi
  mov    $0x400,%esi
  xor    %eax,%eax
  call   <strfmt@plt>
  mov    %r14,%rdx
  mov    $0x7b,%ecx
  mov    %r12,%rdi
  mov    %eax,%ebx
  mov    $0x400,%esi
  lea    D103(%rip),%r14
  xor    %eax,%eax
  call   <snprintf@plt>
  xor    %edi,%edi
  cmp    $0x6,%ebx
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r13,%rcx
  mov    %r14,%rdx
  mov    $0x400,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <strfmt@plt>
  mov    %r13,%rcx
  mov    %r14,%rdx
  mov    $0x400,%esi
  mov    %eax,%ebx
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <snprintf@plt>
  xor    %edi,%edi
  cmp    $0xf,%ebx
  lea    D45(%rip),%r13
  sete   %dil
  xor    %eax,%eax
  lea    D20(%rip),%r14
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r13,%rdx
  mov    $0x7b,%ecx
  mov    %rbp,%rdi
  mov    $0x400,%esi
  xor    %eax,%eax
  call   <strfmt@plt>
  mov    %r13,%rdx
  mov    $0x7b,%ecx
  mov    %r12,%rdi
  mov    %eax,%ebx
  mov    $0x400,%esi
  lea    D10(%rip),%r13
  xor    %eax,%eax
  call   <snprintf@plt>
  xor    %edi,%edi
  cmp    $0x2,%ebx
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r13,%rdx
  mov    $0x123,%ecx
  mov    %rbp,%rdi
  mov    $0x400,%esi
  xor    %eax,%eax
  call   <strfmt@plt>
  mov    %r13,%rdx
  mov    $0x123,%ecx
  mov    %r12,%rdi
  mov    %eax,%ebx
  mov    $0x400,%esi
  lea    D92(%rip),%r13
  xor    %eax,%eax
  call   <snprintf@plt>
  xor    %edi,%edi
  cmp    $0x6,%ebx
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r13,%rcx
  mov    %r14,%rdx
  mov    $0x400,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <strfmt@plt>
  mov    %r13,%rcx
  mov    %r14,%rdx
  mov    $0x400,%esi
  mov    %eax,%ebx
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <snprintf@plt>
  xor    %edi,%edi
  cmp    $0x15,%ebx
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r13,%rcx
  mov    %r15,%rdx
  mov    $0x400,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <strfmt@plt>
  mov    %r13,%rcx
  mov    %r15,%rdx
  mov    $0x400,%esi
  mov    %eax,%ebx
  mov    %r12,%rdi
  lea    D108(%rip),%r15
  xor    %eax,%eax
  call   <snprintf@plt>
  xor    %edi,%edi
  cmp    $0x15,%ebx
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r13,%rcx
  mov    %r15,%rdx
  mov    $0x400,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <strfmt@plt>
  mov    %r13,%rcx
  mov    %r15,%rdx
  mov    $0x400,%esi
  mov    %eax,%ebx
  mov    %r12,%rdi
  lea    D15(%rip),%r15
  xor    %eax,%eax
  call   <snprintf@plt>
  xor    %edi,%edi
  cmp    $0x27,%ebx
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r13,%rcx
  mov    %r15,%rdx
  mov    $0x400,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <strfmt@plt>
  mov    %r13,%rcx
  mov    %r15,%rdx
  mov    $0x400,%esi
  mov    %eax,%ebx
  mov    %r12,%rdi
  lea    D111(%rip),%r15
  xor    %eax,%eax
  call   <snprintf@plt>
  xor    %edi,%edi
  cmp    $0x27,%ebx
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r13,%rcx
  mov    %r14,%rdx
  mov    $0xa,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <strfmt@plt>
  mov    %r13,%rcx
  mov    %r14,%rdx
  mov    $0xa,%esi
  mov    %eax,%ebx
  mov    %r12,%rdi
  lea    D54(%rip),%r14
  xor    %eax,%eax
  call   <hack_snprintf@plt>
  xor    %edi,%edi
  cmp    %eax,%ebx
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  sub    $0x8,%rsp
  mov    %r15,%rcx
  mov    %r14,%rdx
  push   $0x2e
  lea    D101(%rip),%r9
  mov    $0x400,%esi
  xor    %eax,%eax
  mov    $0x20,%r8d
  mov    %rbp,%rdi
  call   <strfmt@plt>
  mov    %r15,%rcx
  mov    %r14,%rdx
  mov    $0x400,%esi
  movl   $0x2e,(%rsp)
  lea    D101(%rip),%r9
  mov    %eax,%r13d
  mov    %r12,%rdi
  mov    $0x20,%r8d
  xor    %eax,%eax
  call   <snprintf@plt>
  xor    %edi,%edi
  cmp    $0xc,%r13d
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %rbp,%rsp
  mov    0x808(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x818,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D84
type_infered: string
name: read_data
arguments: data_tag: D29
type_infered: string
name: read_data
arguments: data_tag: D162
type_infered: string
name: read_data
arguments: data_tag: D157
type_infered: string
name: read_data
arguments: data_tag: D130
type_infered: string
name: read_data
arguments: data_tag: D137
type_infered: string
name: read_data
arguments: data_tag: D103
type_infered: string
name: read_data
arguments: data_tag: D45
type_infered: string
name: read_data
arguments: data_tag: D20
type_infered: string
name: read_data
arguments: data_tag: D10
type_infered: string
name: read_data
arguments: data_tag: D92
type_infered: string
name: read_data
arguments: data_tag: D108
type_infered: string
name: read_data
arguments: data_tag: D15
type_infered: string
name: read_data
arguments: data_tag: D111
type_infered: string
name: read_data
arguments: data_tag: D54
type_infered: string
name: read_data
arguments: data_tag: D101
type_infered: string

tool: D84: test %5s this

tool: D29: %06ld

tool: D162: %06d

tool: D157: %d

tool: D130: %06lu

tool: D137: %06u

tool: D103: %lx

tool: D45: %x

tool: D20: test %s this

tool: D10: %6x

tool: D92: hello world

tool: D108: test %-29s this

tool: D15: test %29s this

tool: D111: hello

tool: D54: %s%c%s%c

tool: D101: world

assistant: ```c
void test_strfmt(void) {
  char str1[1024], str2[1024];
  int n1, n2;
  n1 = strfmt(str1, sizeof(str1), "%06ld", 123456789123456789ul);
  n2 = snprintf(str2, sizeof(str2), "%06ld", 123456789123456789ul);
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
  n1 = strfmt(str1, sizeof(str1), "%06d", 123);
  n2 = snprintf(str2, sizeof(str2), "%06d", 123);
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
  n1 = strfmt(str1, sizeof(str1), "%d", -123);
  n2 = snprintf(str2, sizeof(str2), "%d", -123);
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
  n1 = strfmt(str1, sizeof(str1), "%06lu", 123456789123456789ul);
  n2 = snprintf(str2, sizeof(str2), "%06lu", 123456789123456789ul);
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
  n1 = strfmt(str1, sizeof(str1), "%06u", 123);
  n2 = snprintf(str2, sizeof(str2), "%06u", 123);
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
  n1 = strfmt(str1, sizeof(str1), "%lx", 123456789123456789ul);
  n2 = snprintf(str2, sizeof(str2), "%lx", 123456789123456789ul);
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
  n1 = strfmt(str1, sizeof(str1), "%x", 123);
  n2 = snprintf(str2, sizeof(str2), "%x", 123);
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
  n1 = strfmt(str1, sizeof(str1), "%6x", 0x123);
  n2 = snprintf(str2, sizeof(str2), "%6x", 0x123);
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
  n1 = strfmt(str1, sizeof(str1), "test %s this", "hello world");
  n2 = snprintf(str2, sizeof(str2), "test %s this", "hello world");
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
  n1 = strfmt(str1, sizeof(str1), "test %5s this", "hello world");
  n2 = snprintf(str2, sizeof(str2), "test %5s this", "hello world");
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
  n1 = strfmt(str1, sizeof(str1), "test %-29s this", "hello world");
  n2 = snprintf(str2, sizeof(str2), "test %-29s this", "hello world");
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
  n1 = strfmt(str1, sizeof(str1), "test %29s this", "hello world");
  n2 = snprintf(str2, sizeof(str2), "test %29s this", "hello world");
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
  n1 = strfmt(str1, 10, "test %s this", "hello world");
  n2 = hack_snprintf(str2, 10, "test %s this", "hello world");
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
  n1 = strfmt(str1, sizeof(str1), "%s%c%s%c", "hello", ' ', "world", '.');
  n2 = snprintf(str2, sizeof(str2), "%s%c%s%c", "hello", ' ', "world", '.');
  assert(n1 == n2);
  assert(strcmp(str1, str2) == 0);
}
```