user: 请从给定的汇编指令推导出C源代码:

```asm
<redisFormatCommandArgv>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,0x18(%rsp)
  mov    %rdx,0x8(%rsp)
  test   %rdi,%rdi
  je     L125
  mov    %esi,%edi
  mov    %esi,%r13d
  mov    %rcx,%rbp
  call   <countDigits@plt>
  lea    0x3(%rax),%r12d
  test   %r13d,%r13d
  jle    L17
  test   %rbp,%rbp
  je     L50
  lea    0x8(%rbp),%rsi
  lea    -0x1(%r13),%eax
  mov    %rbp,%r14
  mov    %rsi,0x10(%rsp)
  mov    %rax,%r15
  lea    (%rsi,%rax,8),%rbx
  nop
L78:
  mov    (%r14),%rdi
  add    $0x8,%r14
  call   <bulklen@plt>
  add    %eax,%r12d
  cmp    %rbx,%r14
  jne    L78
  lea    0x1(%r12),%edi
  call   <malloc@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L125
  movslq %r13d,%rdx
  lea    D18(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    0x8(%rsp),%r13
  mov    %eax,%r14d
  mov    0x10(%rsp),%rax
  lea    (%rax,%r15,8),%rax
  mov    %rax,0x10(%rsp)
  lea    D44(%rip),%rax
  mov    %rax,0x8(%rsp)
  xchg   %ax,%ax
L47:
  mov    0x0(%rbp),%r15
  mov    0x8(%rsp),%rsi
  movslq %r14d,%rdi
  add    $0x8,%rbp
  add    %rbx,%rdi
  add    $0x8,%r13
  mov    %r15,%rdx
  call   <sprintf@plt>
  mov    -0x8(%r13),%rsi
  mov    %r15,%rdx
  add    %eax,%r14d
  movslq %r14d,%rdi
  add    %rbx,%rdi
  call   <memcpy@plt>
  lea    (%r14,%r15,1),%eax
  movslq %eax,%rdx
  lea    0x2(%rax),%r14d
  add    $0x1,%eax
  cltq
  movb   $0xd,(%rbx,%rdx,1)
  movb   $0xa,(%rbx,%rax,1)
  cmp    0x10(%rsp),%rbp
  jne    L47
L90:
  xor    %edi,%edi
  cmp    %r12d,%r14d
  sete   %dil
  call   <assert@plt>
  mov    0x18(%rsp),%rax
  movslq %r14d,%r9
  movb   $0x0,(%rbx,%r9,1)
  mov    %rbx,(%rax)
L7:
  add    $0x28,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L50:
  mov    0x8(%rsp),%rcx
  lea    -0x1(%r13),%eax
  mov    %rax,%r15
  lea    0x8(%rcx),%rbp
  mov    %rcx,%r14
  lea    0x0(%rbp,%rax,8),%rbx
L84:
  mov    (%r14),%rdi
  add    $0x8,%r14
  call   <strlen@plt>
  mov    %rax,%rdi
  call   <bulklen@plt>
  add    %eax,%r12d
  cmp    %rbx,%r14
  jne    L84
  lea    0x1(%r12),%edi
  call   <malloc@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L125
  movslq %r13d,%rdx
  lea    D18(%rip),%rsi
  mov    %rbx,%rdi
  mov    %r15d,%r15d
  call   <sprintf@plt>
  mov    0x8(%rsp),%rcx
  lea    0x0(%rbp,%r15,8),%r13
  mov    %eax,%r14d
  lea    D44(%rip),%rax
  mov    %rax,0x8(%rsp)
L94:
  mov    (%rcx),%rdi
  mov    %rcx,0x10(%rsp)
  call   <strlen@plt>
  mov    0x8(%rsp),%rsi
  movslq %r14d,%rdi
  add    %rbx,%rdi
  mov    %rax,%rdx
  mov    %rax,%rbp
  call   <sprintf@plt>
  mov    0x10(%rsp),%rcx
  mov    %rbp,%rdx
  add    %eax,%r14d
  mov    (%rcx),%rsi
  movslq %r14d,%rdi
  add    %rbx,%rdi
  call   <memcpy@plt>
  lea    (%r14,%rbp,1),%eax
  mov    0x10(%rsp),%rcx
  movslq %eax,%rdx
  lea    0x2(%rax),%r14d
  add    $0x1,%eax
  cltq
  add    $0x8,%rcx
  movb   $0xd,(%rbx,%rdx,1)
  movb   $0xa,(%rbx,%rax,1)
  cmp    %r13,%rcx
  jne    L94
  jmp    L90
  nopw   0x0(%rax,%rax,1)
L17:
  lea    0x4(%rax),%edi
  call   <malloc@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L125
  movslq %r13d,%rdx
  lea    D18(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    %eax,%r14d
  jmp    L90
L125:
  mov    $0xffffffff,%r12d
  jmp    L7
```

tool_calls: name: disassemble_data
arguments: tag: D18
type_guessed: string
name: disassemble_data
arguments: tag: D44
type_guessed: string

tool: D18: *%d


tool: D44: $%zu


assistant: ```c
int redisFormatCommandArgv(char **target, int argc, const char **argv, const size_t *argvlen) {
  char *cmd = NULL;
  int pos;
  size_t len;
  int totlen, j;
  if (target == NULL)
    return -1;
  totlen = 1 + countDigits(argc) + 2;
  for (j = 0; j < argc; j++) {
    len = argvlen ? argvlen[j] : strlen(argv[j]);
    totlen += bulklen(len);
  }
  cmd = malloc(totlen + 1);
  if (cmd == NULL)
    return -1;
  pos = sprintf(cmd, "*%d\r\n", argc);
  for (j = 0; j < argc; j++) {
    len = argvlen ? argvlen[j] : strlen(argv[j]);
    pos += sprintf(cmd + pos, "$%zu\r\n", len);
    memcpy(cmd + pos, argv[j], len);
    pos += len;
    cmd[pos++] = '\r';
    cmd[pos++] = '\n';
  }
  assert(pos == totlen);
  cmd[pos] = '\0';
  *target = cmd;
  return totlen;
}
```