#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 */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
scalar_t__ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int fwrite(void *, long, int, int /*<<< orphan*/ *);
int write_file(char *path, void *mem, long size) {
  FILE *fp = fopen(path, "w");
  if (!fp)
    return 1;
  if (fwrite(mem, size, 1, fp) != 1)
    return 1;
  if (fclose(fp) != 0)
    return 1;
  return 0;
}


x86 assembly (clang, -O0):
<write_file>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x10(%rbp)
mov    %rsi,-0x18(%rbp)
mov    %rdx,-0x20(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xeb1(%rip),%rsi
call   1040 <fopen@plt>
mov    %rax,-0x28(%rbp)
cmpq   $0x0,-0x28(%rbp)
jne    116f <write_file+0x3f>
movl   $0x1,-0x4(%rbp)
jmp    11c0 <write_file+0x90>
mov    -0x18(%rbp),%rdi
mov    -0x20(%rbp),%rsi
mov    -0x28(%rbp),%rcx
mov    $0x1,%edx
call   1050 <fwrite@plt>
cmp    $0x1,%eax
je     119a <write_file+0x6a>
movl   $0x1,-0x4(%rbp)
jmp    11c0 <write_file+0x90>
mov    -0x28(%rbp),%rdi
call   1030 <fclose@plt>
cmp    $0x0,%rax
je     11b9 <write_file+0x89>
movl   $0x1,-0x4(%rbp)
jmp    11c0 <write_file+0x90>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<write_file>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
mov    %rdx,%r14
mov    %rsi,%r15
lea    0xebc(%rip),%rsi
call   1040 <fopen@plt>
test   %rax,%rax
je     1181 <write_file+0x51>
mov    %rax,%rbx
mov    $0x1,%ebp
mov    %r15,%rdi
mov    %r14,%rsi
mov    $0x1,%edx
mov    %rax,%rcx
call   1050 <fwrite@plt>
cmp    $0x1,%eax
jne    1186 <write_file+0x56>
mov    %rbx,%rdi
call   1030 <fclose@plt>
xor    %ebp,%ebp
test   %rax,%rax
setne  %bpl
jmp    1186 <write_file+0x56>
mov    $0x1,%ebp
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [2 x i8] c"w\00"
define i32 @write_file(i8* %0, i8* %1, i64 %2) {
%4 = alloca i32
%5 = alloca i8*
%6 = alloca i8*
%7 = alloca i64
%8 = alloca i32*
store i8* %0, i8** %5
store i8* %1, i8** %6
store i64 %2, i64* %7
%9 = load i8*, i8** %5
%10 = call i32* @fopen(i8* %9, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
store i32* %10, i32** %8
%11 = load i32*, i32** %8
%12 = icmp ne i32* %11, null
br i1 %12, label %14, label %13
13: ; preds = %3
store i32 1, i32* %4
br label %27
14: ; preds = %3
%15 = load i8*, i8** %6
%16 = load i64, i64* %7
%17 = load i32*, i32** %8
%18 = call i32 @fwrite(i8* %15, i64 %16, i32 1, i32* %17)
%19 = icmp ne i32 %18, 1
br i1 %19, label %20, label %21
20: ; preds = %14
store i32 1, i32* %4
br label %27
21: ; preds = %14
%22 = load i32*, i32** %8
%23 = call i64 @fclose(i32* %22)
%24 = icmp ne i64 %23, 0
br i1 %24, label %25, label %26
25: ; preds = %21
store i32 1, i32* %4
br label %27
26: ; preds = %21
store i32 0, i32* %4
br label %27
27: ; preds = %26, %25, %20, %13
%28 = load i32, i32* %4
ret i32 %28
}

LLVM IR (-O2):
@.str = [2 x i8] c"w\00"
define i32 @write_file(i8* nocapture %0, i8* nocapture %1, i64 %2) {
%4 = tail call i32* @fopen(i8* %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%5 = icmp eq i32* %4, null
br i1 %5, label %13, label %6
6: ; preds = %3
%7 = tail call i32 @fwrite(i8* %1, i64 %2, i32 1, i32* %4)
%8 = icmp eq i32 %7, 1
br i1 %8, label %9, label %13
9: ; preds = %6
%10 = tail call i64 @fclose(i32* %4)
%11 = icmp ne i64 %10, 0
%12 = zext i1 %11 to i32
br label %13
13: ; preds = %9, %6, %3
%14 = phi i32 [ 1, %3 ], [ 1, %6 ], [ %12, %9 ]
ret i32 %14
}