user: What would the C source look like for the assembly code provided here:

```asm
<rfc2045_append_url>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x68,%rsp
  mov    %rdi,-0x68(%rbp)
  mov    %rsi,-0x70(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  lea    -0x48(%rbp),%rcx
  lea    -0x58(%rbp),%rdx
  lea    -0x50(%rbp),%rsi
  mov    -0x68(%rbp),%rax
  mov    %rax,%rdi
  call   <get_method_path@plt>
  lea    -0x38(%rbp),%rcx
  lea    -0x54(%rbp),%rdx
  lea    -0x40(%rbp),%rsi
  mov    -0x70(%rbp),%rax
  mov    %rax,%rdi
  call   <get_method_path@plt>
  mov    -0x54(%rbp),%eax
  test   %eax,%eax
  je     L97
  mov    -0x70(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x30(%rbp)
  cmpq   $0x0,-0x30(%rbp)
  jne    L115
  mov    $0x0,%eax
  call   <rfc2045_enomem@plt>
  jmp    L126
L115:
  mov    -0x70(%rbp),%rdx
  mov    -0x30(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
L126:
  mov    -0x30(%rbp),%rax
  jmp    L66
L97:
  mov    -0x50(%rbp),%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x58(%rbp),%eax
  mov    %eax,-0x54(%rbp)
  mov    -0x48(%rbp),%rax
  test   %rax,%rax
  jne    L135
  lea    D15(%rip),%rax
  mov    %rax,-0x48(%rbp)
L135:
  mov    -0x38(%rbp),%rax
  test   %rax,%rax
  jne    L73
  lea    D15(%rip),%rax
  mov    %rax,-0x38(%rbp)
L73:
  mov    -0x54(%rbp),%eax
  mov    %eax,%ebx
  mov    -0x48(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    %rax,%rbx
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    %rbx,%rax
  add    $0x3,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x30(%rbp)
  cmpq   $0x0,-0x30(%rbp)
  jne    L121
  mov    $0x0,%eax
  call   <rfc2045_enomem@plt>
  mov    $0x0,%eax
  jmp    L66
L121:
  mov    -0x54(%rbp),%eax
  test   %eax,%eax
  je     L119
  mov    -0x54(%rbp),%edx
  mov    -0x40(%rbp),%rcx
  mov    -0x30(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
L119:
  mov    -0x54(%rbp),%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x54(%rbp),%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x48(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    %rax,%rdx
  lea    D7(%rip),%rax
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <strcat@plt>
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L54
  mov    -0x38(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L75
  mov    -0x28(%rbp),%rax
  movb   $0x0,(%rax)
  jmp    L54
L75:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L50
  mov    -0x28(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L50
  mov    -0x28(%rbp),%rax
  add    $0x2,%rax
  mov    $0x2f,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x20(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  je     L50
  mov    -0x20(%rbp),%rax
  movb   $0x0,(%rax)
  jmp    L54
L50:
  mov    -0x28(%rbp),%rax
  movb   $0x0,(%rax)
L54:
  mov    -0x38(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x30(%rbp),%rax
L66:
  mov    -0x18(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L154
  call   <__stack_chk_fail@plt>
L154:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D15
type_guessed: string
name: extract_symbolic_data
arguments: tag: D7
type_guessed: string

tool: 

tool: D7: /

assistant: ```c
char *rfc2045_append_url(const char *base, const char *loc) {
  const char *base_method;
  unsigned base_method_l;
  const char *base_path;
  const char *loc_method;
  unsigned loc_method_l;
  const char *loc_path;
  char *buf, *q;
  get_method_path(base, &base_method, &base_method_l, &base_path);
  get_method_path(loc, &loc_method, &loc_method_l, &loc_path);
  if (loc_method_l) {
    buf = malloc(strlen(loc) + 1);
    if (!buf)
      rfc2045_enomem();
    else
      strcpy(buf, loc);
    return (buf);
  }
  loc_method = base_method;
  loc_method_l = base_method_l;
  if (!base_path)
    base_path = "";
  if (!loc_path)
    loc_path = "";
  buf = malloc(loc_method_l + strlen(base_path) + strlen(loc_path) + 3);
  if (!buf) {
    rfc2045_enomem();
    return (0);
  }
  if (loc_method_l)
    memcpy(buf, loc_method, loc_method_l);
  buf[loc_method_l] = 0;
  q = buf + loc_method_l;
  strcat(strcpy(q, base_path), "/");
  if (loc_path[0] == '/') {
    char *r;
    if (loc_path[1] == '/') {
      *q = 0;
    } else if (q[0] == '/' && q[1] == '/' && (r = strchr(q + 2, '/')) != 0) {
      *r = 0;
    } else
      *q = 0;
  }
  strcat(q, loc_path);
  return (buf);
}
```