#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */
struct sockaddr_un {
  int /*<<< orphan*/ sun_path;
  int /*<<< orphan*/ sun_family;
};
struct sockaddr {
  int dummy;
};
typedef int /*<<< orphan*/ addr;

/* Variables and functions */
int /*<<< orphan*/ AF_UNIX;
int /*<<< orphan*/ SOCK_STREAM;
int connect(int, struct sockaddr *, int);
int /*<<< orphan*/ memset(struct sockaddr_un *, int /*<<< orphan*/, int);
int /*<<< orphan*/ perror(char *);
int socket(int /*<<< orphan*/, int /*<<< orphan*/, int /*<<< orphan*/);
int /*<<< orphan*/ strncpy(int /*<<< orphan*/, char const *, int);
int unix_socket_client_connect(const char *path) {
  struct sockaddr_un addr;
  int fd;
  if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
    perror("socket error");
    return -1;
  }
  memset(&addr, 0, sizeof(addr));
  addr.sun_family = AF_UNIX;
  strncpy(addr.sun_path, path, sizeof(addr.sun_path) - 1);
  if (connect(fd, (struct sockaddr *)&addr, sizeof(addr)) == -1) {
    perror("connect error");
    return -1;
  }
  return fd;
}


x86 assembly (clang, -O0):
<unix_socket_client_connect>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
mov    0x2e85(%rip),%rax
mov    (%rax),%edi
mov    0x2e6c(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   1070 <socket@plt>
mov    %eax,-0x1c(%rbp)
cmp    $0xffffffff,%eax
jne    1199 <unix_socket_client_connect+0x49>
lea    0xe78(%rip),%rdi
call   1050 <perror@plt>
movl   $0xffffffff,-0x4(%rbp)
jmp    11fe <unix_socket_client_connect+0xae>
lea    -0x18(%rbp),%rdi
xor    %esi,%esi
mov    $0x8,%edx
call   1040 <memset@plt>
mov    0x2e38(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x14(%rbp)
mov    -0x18(%rbp),%edi
mov    -0x10(%rbp),%rsi
mov    $0x3,%edx
call   1030 <strncpy@plt>
mov    -0x1c(%rbp),%edi
lea    -0x18(%rbp),%rsi
mov    $0x8,%edx
call   1060 <connect@plt>
cmp    $0xffffffff,%eax
jne    11f8 <unix_socket_client_connect+0xa8>
lea    0xe26(%rip),%rdi
call   1050 <perror@plt>
movl   $0xffffffff,-0x4(%rbp)
jmp    11fe <unix_socket_client_connect+0xae>
mov    -0x1c(%rbp),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<unix_socket_client_connect>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
mov    %rdi,%r14
mov    0x2e86(%rip),%r12
mov    (%r12),%edi
mov    0x2e6b(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   1070 <socket@plt>
cmp    $0xffffffff,%eax
je     11c9 <unix_socket_client_connect+0x79>
mov    %eax,%ebx
mov    %rsp,%r15
mov    %r15,%rdi
xor    %esi,%esi
mov    $0x8,%edx
call   1040 <memset@plt>
mov    (%r12),%eax
mov    %eax,0x4(%rsp)
mov    (%rsp),%edi
mov    %r14,%rsi
mov    $0x3,%edx
call   1030 <strncpy@plt>
mov    %ebx,%edi
mov    %r15,%rsi
mov    $0x8,%edx
call   1060 <connect@plt>
cmp    $0xffffffff,%eax
je     11d2 <unix_socket_client_connect+0x82>
mov    %ebx,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret
lea    0xe30(%rip),%rdi
jmp    11d9 <unix_socket_client_connect+0x89>
lea    0xe34(%rip),%rdi
call   1050 <perror@plt>
mov    $0xffffffff,%ebx
jmp    11bb <unix_socket_client_connect+0x6b>

LLVM IR (-O0):
%struct.sockaddr_un = type { i32, i32 }
%struct.sockaddr = type { i32 }
@AF_UNIX = global i32 0
@SOCK_STREAM = global i32 0
@.str = [13 x i8] c"socket error\00"
@.str.1 = [14 x i8] c"connect error\00"
define i32 @unix_socket_client_connect(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
%4 = alloca %struct.sockaddr_un
%5 = alloca i32
store i8* %0, i8** %3
%6 = load i32, i32* @AF_UNIX
%7 = load i32, i32* @SOCK_STREAM
%8 = call i32 @socket(i32 %6, i32 %7, i32 0)
store i32 %8, i32* %5
%9 = icmp eq i32 %8, -1
br i1 %9, label %10, label %12
10: ; preds = %1
%11 = call i32 @perror(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
store i32 -1, i32* %2
br label %28
12: ; preds = %1
%13 = call i32 @memset(%struct.sockaddr_un* %4, i32 0, i32 8)
%14 = load i32, i32* @AF_UNIX
%15 = getelementptr inbounds %struct.sockaddr_un, %struct.sockaddr_un* %4, i32 0, i32 1
store i32 %14, i32* %15
%16 = getelementptr inbounds %struct.sockaddr_un, %struct.sockaddr_un* %4, i32 0, i32 0
%17 = load i32, i32* %16
%18 = load i8*, i8** %3
%19 = call i32 @strncpy(i32 %17, i8* %18, i32 3)
%20 = load i32, i32* %5
%21 = bitcast %struct.sockaddr_un* %4 to %struct.sockaddr*
%22 = call i32 @connect(i32 %20, %struct.sockaddr* %21, i32 8)
%23 = icmp eq i32 %22, -1
br i1 %23, label %24, label %26
24: ; preds = %12
%25 = call i32 @perror(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0))
store i32 -1, i32* %2
br label %28
26: ; preds = %12
%27 = load i32, i32* %5
store i32 %27, i32* %2
br label %28
28: ; preds = %26, %24, %10
%29 = load i32, i32* %2
ret i32 %29
}

LLVM IR (-O2):
%struct.sockaddr_un = type { i32, i32 }
%struct.sockaddr = type { i32 }
@AF_UNIX = global i32 0
@SOCK_STREAM = global i32 0
@.str = [13 x i8] c"socket error\00"
@.str.1 = [14 x i8] c"connect error\00"
define i32 @unix_socket_client_connect(i8* %0) {
%2 = alloca %struct.sockaddr_un
%3 = bitcast %struct.sockaddr_un* %2 to i8*
%4 = load i32, i32* @AF_UNIX
%5 = load i32, i32* @SOCK_STREAM
%6 = tail call i32 @socket(i32 %4, i32 %5, i32 0)
%7 = icmp eq i32 %6, -1
br i1 %7, label %8, label %10
8: ; preds = %1
%9 = tail call i32 @perror(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
br label %22
10: ; preds = %1
%11 = call i32 @memset(%struct.sockaddr_un* %2, i32 0, i32 8)
%12 = load i32, i32* @AF_UNIX
%13 = getelementptr inbounds %struct.sockaddr_un, %struct.sockaddr_un* %2, i64 0, i32 1
store i32 %12, i32* %13
%14 = getelementptr inbounds %struct.sockaddr_un, %struct.sockaddr_un* %2, i64 0, i32 0
%15 = load i32, i32* %14
%16 = call i32 @strncpy(i32 %15, i8* %0, i32 3)
%17 = bitcast %struct.sockaddr_un* %2 to %struct.sockaddr*
%18 = call i32 @connect(i32 %6, %struct.sockaddr* %17, i32 8)
%19 = icmp eq i32 %18, -1
br i1 %19, label %20, label %22
20: ; preds = %10
%21 = call i32 @perror(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0))
br label %22
22: ; preds = %10, %20, %8
%23 = phi i32 [ -1, %8 ], [ -1, %20 ], [ %6, %10 ]
ret i32 %23
}