#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 */

/* Variables and functions */
int /*<<< orphan*/ Parser_DisplayTagInfo(unsigned int, unsigned char);
int /*<<< orphan*/ Parser_TsPacketLog(unsigned int, char *, ...);
int x40_Tag_DescriptorParser(unsigned int type, unsigned char *buff) {
  unsigned int i = 0;
  unsigned char *data = NULL;
  if (NULL == buff) {
    return -1;
  }
  Parser_DisplayTagInfo(type, buff[0]);
  Parser_TsPacketLog(type, "Descriptor_length = 0x%x\n", buff[1]);
  data = buff;
  data += 2;
  if (0 != buff[1]) {
    Parser_TsPacketLog(type, "Network name: ");
    for (i = 0; i < buff[1]; i++) {
      Parser_TsPacketLog(type, "%c", data[i]);
    }
    Parser_TsPacketLog(type, "\n");
  }
  Parser_TsPacketLog(type, "******END******\n");
  return buff[1];
}


x86 assembly (clang, -O0):
<x40_Tag_DescriptorParser>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
movq   $0x0,-0x20(%rbp)
xor    %eax,%eax
cmp    -0x10(%rbp),%rax
jne    1156 <x40_Tag_DescriptorParser+0x36>
movl   $0xffffffff,-0x4(%rbp)
jmp    1226 <x40_Tag_DescriptorParser+0x106>
mov    -0x8(%rbp),%edi
mov    -0x10(%rbp),%rax
movzbl (%rax),%esi
call   1040 <Parser_DisplayTagInfo@plt>
mov    -0x8(%rbp),%edi
mov    -0x10(%rbp),%rax
movzbl 0x1(%rax),%edx
lea    0xe89(%rip),%rsi
mov    $0x0,%al
call   1030 <Parser_TsPacketLog@plt>
mov    -0x10(%rbp),%rax
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rax
add    $0x2,%rax
mov    %rax,-0x20(%rbp)
mov    -0x10(%rbp),%rax
movzbl 0x1(%rax),%ecx
xor    %eax,%eax
cmp    %ecx,%eax
je     120a <x40_Tag_DescriptorParser+0xea>
mov    -0x8(%rbp),%edi
lea    0xe6c(%rip),%rsi
mov    $0x0,%al
call   1030 <Parser_TsPacketLog@plt>
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
mov    -0x10(%rbp),%rcx
movzbl 0x1(%rcx),%ecx
cmp    %ecx,%eax
jae    11f9 <x40_Tag_DescriptorParser+0xd9>
mov    -0x8(%rbp),%edi
mov    -0x20(%rbp),%rax
mov    -0x14(%rbp),%ecx
movzbl (%rax,%rcx,1),%edx
lea    0xe45(%rip),%rsi
mov    $0x0,%al
call   1030 <Parser_TsPacketLog@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    11bc <x40_Tag_DescriptorParser+0x9c>
mov    -0x8(%rbp),%edi
lea    0xe38(%rip),%rsi
mov    $0x0,%al
call   1030 <Parser_TsPacketLog@plt>
mov    -0x8(%rbp),%edi
lea    0xe18(%rip),%rsi
mov    $0x0,%al
call   1030 <Parser_TsPacketLog@plt>
mov    -0x10(%rbp),%rax
movzbl 0x1(%rax),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<x40_Tag_DescriptorParser>:
test   %rsi,%rsi
je     11d0 <x40_Tag_DescriptorParser+0xb0>
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
mov    %rsi,%rbx
mov    %edi,%r15d
movzbl (%rsi),%esi
call   1040 <Parser_DisplayTagInfo@plt>
movzbl 0x1(%rbx),%edx
lea    0xeb7(%rip),%rsi
mov    %r15d,%edi
xor    %eax,%eax
call   1030 <Parser_TsPacketLog@plt>
cmpb   $0x0,0x1(%rbx)
je     11b0 <x40_Tag_DescriptorParser+0x90>
lea    0xeba(%rip),%rsi
mov    %r15d,%edi
xor    %eax,%eax
call   1030 <Parser_TsPacketLog@plt>
cmpb   $0x0,0x1(%rbx)
je     119f <x40_Tag_DescriptorParser+0x7f>
lea    0xeb2(%rip),%r14
xor    %ebp,%ebp
nopl   0x0(%rax)
movzbl 0x2(%rbx,%rbp,1),%edx
mov    %r15d,%edi
mov    %r14,%rsi
xor    %eax,%eax
call   1030 <Parser_TsPacketLog@plt>
add    $0x1,%rbp
movzbl 0x1(%rbx),%eax
cmp    %rax,%rbp
jb     1180 <x40_Tag_DescriptorParser+0x60>
lea    0xe95(%rip),%rsi
mov    %r15d,%edi
xor    %eax,%eax
call   1030 <Parser_TsPacketLog@plt>
lea    0xe75(%rip),%rsi
mov    %r15d,%edi
xor    %eax,%eax
call   1030 <Parser_TsPacketLog@plt>
movzbl 0x1(%rbx),%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret
mov    $0xffffffff,%eax
ret

LLVM IR (-O0):
@.str = [26 x i8] c"Descriptor_length = 0x%x\0A\00"
@.str.1 = [15 x i8] c"Network name: \00"
@.str.2 = [3 x i8] c"%c\00"
@.str.3 = [2 x i8] c"\0A\00"
@.str.4 = [17 x i8] c"******END******\0A\00"
define i32 @x40_Tag_DescriptorParser(i32 %0, i8* %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8*
%6 = alloca i32
%7 = alloca i8*
store i32 %0, i32* %4
store i8* %1, i8** %5
store i32 0, i32* %6
store i8* null, i8** %7
%8 = load i8*, i8** %5
%9 = icmp eq i8* null, %8
br i1 %9, label %10, label %11
10: ; preds = %2
store i32 -1, i32* %3
br label %63
11: ; preds = %2
%12 = load i32, i32* %4
%13 = load i8*, i8** %5
%14 = getelementptr inbounds i8, i8* %13, i64 0
%15 = load i8, i8* %14
%16 = call i32 @Parser_DisplayTagInfo(i32 %12, i8 zeroext %15)
%17 = load i32, i32* %4
%18 = load i8*, i8** %5
%19 = getelementptr inbounds i8, i8* %18, i64 1
%20 = load i8, i8* %19
%21 = zext i8 %20 to i32
%22 = call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %17, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 %21)
%23 = load i8*, i8** %5
store i8* %23, i8** %7
%24 = load i8*, i8** %7
%25 = getelementptr inbounds i8, i8* %24, i64 2
store i8* %25, i8** %7
%26 = load i8*, i8** %5
%27 = getelementptr inbounds i8, i8* %26, i64 1
%28 = load i8, i8* %27
%29 = zext i8 %28 to i32
%30 = icmp ne i32 0, %29
br i1 %30, label %31, label %56
31: ; preds = %11
%32 = load i32, i32* %4
%33 = call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %32, i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0))
store i32 0, i32* %6
br label %34
34: ; preds = %50, %31
%35 = load i32, i32* %6
%36 = load i8*, i8** %5
%37 = getelementptr inbounds i8, i8* %36, i64 1
%38 = load i8, i8* %37
%39 = zext i8 %38 to i32
%40 = icmp ult i32 %35, %39
br i1 %40, label %41, label %53
41: ; preds = %34
%42 = load i32, i32* %4
%43 = load i8*, i8** %7
%44 = load i32, i32* %6
%45 = zext i32 %44 to i64
%46 = getelementptr inbounds i8, i8* %43, i64 %45
%47 = load i8, i8* %46
%48 = zext i8 %47 to i32
%49 = call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %42, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32 %48)
br label %50
50: ; preds = %41
%51 = load i32, i32* %6
%52 = add i32 %51, 1
store i32 %52, i32* %6
br label %34
53: ; preds = %34
%54 = load i32, i32* %4
%55 = call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %54, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
br label %56
56: ; preds = %53, %11
%57 = load i32, i32* %4
%58 = call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %57, i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i64 0, i64 0))
%59 = load i8*, i8** %5
%60 = getelementptr inbounds i8, i8* %59, i64 1
%61 = load i8, i8* %60
%62 = zext i8 %61 to i32
store i32 %62, i32* %3
br label %63
63: ; preds = %56, %10
%64 = load i32, i32* %3
ret i32 %64
}

LLVM IR (-O2):
@.str = [26 x i8] c"Descriptor_length = 0x%x\0A\00"
@.str.1 = [15 x i8] c"Network name: \00"
@.str.2 = [3 x i8] c"%c\00"
@.str.3 = [2 x i8] c"\0A\00"
@.str.4 = [17 x i8] c"******END******\0A\00"
define i32 @x40_Tag_DescriptorParser(i32 %0, i8* %1) {
%3 = icmp eq i8* %1, null
br i1 %3, label %34, label %4
4: ; preds = %2
%5 = load i8, i8* %1
%6 = tail call i32 @Parser_DisplayTagInfo(i32 %0, i8 zeroext %5)
%7 = getelementptr inbounds i8, i8* %1, i64 1
%8 = load i8, i8* %7
%9 = zext i8 %8 to i32
%10 = tail call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %0, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 %9)
%11 = getelementptr inbounds i8, i8* %1, i64 2
%12 = load i8, i8* %7
%13 = icmp eq i8 %12, 0
br i1 %13, label %30, label %14
14: ; preds = %4
%15 = tail call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %0, i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0))
%16 = load i8, i8* %7
%17 = icmp eq i8 %16, 0
br i1 %17, label %28, label %18
18: ; preds = %14, %18
%19 = phi i64 [ %24, %18 ], [ 0, %14 ]
%20 = getelementptr inbounds i8, i8* %11, i64 %19
%21 = load i8, i8* %20
%22 = zext i8 %21 to i32
%23 = tail call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32 %22)
%24 = add nuw nsw i64 %19, 1
%25 = load i8, i8* %7
%26 = zext i8 %25 to i64
%27 = icmp ult i64 %24, %26
br i1 %27, label %18, label %28
28: ; preds = %18, %14
%29 = tail call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
br label %30
30: ; preds = %28, %4
%31 = tail call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %0, i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i64 0, i64 0))
%32 = load i8, i8* %7
%33 = zext i8 %32 to i32
br label %34
34: ; preds = %2, %30
%35 = phi i32 [ %33, %30 ], [ -1, %2 ]
ret i32 %35
}