#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 */
int /*<<< orphan*/ close(int /*<<< orphan*/ *);
int /*<<< orphan*/ fflush(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/ *, char *, char *);
int /*<<< orphan*/ printf(char *);
void save_log(char *line) {
  FILE *arq;
  if (!(arq = fopen("logs/"
                    "log_"
                    "#xape"
                    ".txt",
                    "a+"))) {
    printf("error: open log file\n");
    return;
  }
  fprintf(arq, "%s", line);
  fflush(arq);
  close(arq);
}


x86 assembly (clang, -O0):
<save_log>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
lea    0xe9d(%rip),%rdi
lea    0xea9(%rip),%rsi
call   1070 <fopen@plt>
mov    %rax,-0x10(%rbp)
cmp    $0x0,%rax
jne    118e <save_log+0x3e>
lea    0xe92(%rip),%rdi
call   1030 <printf@plt>
jmp    11b4 <save_log+0x64>
mov    -0x10(%rbp),%rdi
mov    -0x8(%rbp),%rdx
lea    0xe8f(%rip),%rsi
call   1050 <fprintf@plt>
mov    -0x10(%rbp),%rdi
call   1060 <fflush@plt>
mov    -0x10(%rbp),%rdi
call   1040 <close@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<save_log>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%r14
lea    0xea2(%rip),%rdi
lea    0xeae(%rip),%rsi
call   1070 <fopen@plt>
test   %rax,%rax
je     1194 <save_log+0x44>
mov    %rax,%rbx
mov    %r14,%rdi
mov    %rax,%rsi
call   1040 <fputs@plt>
mov    %rbx,%rdi
call   1060 <fflush@plt>
mov    %rbx,%rdi
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1050 <close@plt>
lea    0xe7b(%rip),%rdi
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [19 x i8] c"logs/log_#xape.txt\00"
@.str.1 = [3 x i8] c"a+\00"
@.str.2 = [22 x i8] c"error: open log file\0A\00"
@.str.3 = [3 x i8] c"%s\00"
define void @save_log(i8* %0) {
%2 = alloca i8*
%3 = alloca i32*
store i8* %0, i8** %2
%4 = call i32* @fopen(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
store i32* %4, i32** %3
%5 = icmp ne i32* %4, null
br i1 %5, label %8, label %6
6: ; preds = %1
%7 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.2, i64 0, i64 0))
br label %16
8: ; preds = %1
%9 = load i32*, i32** %3
%10 = load i8*, i8** %2
%11 = call i32 @fprintf(i32* %9, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i8* %10)
%12 = load i32*, i32** %3
%13 = call i32 @fflush(i32* %12)
%14 = load i32*, i32** %3
%15 = call i32 @close(i32* %14)
br label %16
16: ; preds = %8, %6
ret void
}

LLVM IR (-O2):
@.str = [19 x i8] c"logs/log_#xape.txt\00"
@.str.1 = [3 x i8] c"a+\00"
@str = [21 x i8] c"error: open log file\00"
define void @save_log(i8* nocapture %0) {
%2 = tail call i32* @fopen(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%3 = icmp eq i32* %2, null
br i1 %3, label %4, label %6
4: ; preds = %1
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str, i64 0, i64 0))
br label %10
6: ; preds = %1
%7 = tail call i32 @fputs(i8* %0, i32* %2)
%8 = tail call i32 @fflush(i32* %2)
%9 = tail call i32 @close(i32* %2)
br label %10
10: ; preds = %6, %4
ret void
}