// File: /workspace/github_c_makefile_star2_O3/ngkaho1234[P]ext4-extents-tree/extrm.c
// Function: main
int main(int argc, char **argv)
{
	int dir;
	int err = 0;
	struct inode *inode;
	time_t a, b;
	ext4_lblk_t from, to;

	if (argc < 4)
		return -1;

	from = strtoul(argv[2], NULL, 0);
	to = strtoul(argv[3], NULL, 0);
	dir = (to > from)?1:-1;
	a = clock();
	inode = open_ext4_db(argv[1]);
	for (; (int32_t)(to - from) * dir >= 0; from += 1 * dir) {
		bool notfound;
		struct ext4_ext_cursor *cur =
			ext4_ext_cursor_alloc(inode->i_sb, inode->i_data, inode, inode->i_sb->s_blocksize);

		err = ext4_ext_lookup_extent(cur, from, &notfound);
		if (err) {
			fprintf(stderr, "err: %s, block: %" PRIu32 "\n",
					strerror(err), from);
			ext4_ext_cursor_free(cur);
			break;
		}

		if (!notfound) {
			fprintf(stderr, "Removing extent containing block: %" PRIu32 "\n", from);
			err = ext4_ext_delete(cur);
			if (err) {
				fprintf(stderr, "err: %s, block: %" PRIu32 "\n",
						strerror(err), from);
				ext4_ext_cursor_free(cur);
				break;
			}
		}
		ext4_ext_cursor_free(cur);
	}

	b = clock();
	fprintf(stderr, "err: %s, clock: %ld\n", strerror(-err), (b - a)/CLOCKS_PER_SEC);
	free_ext4_db(inode);

	return 0;
}

// Assembly:
pushq %rbp
movq %rsp, %rbp
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
subq $0x28, %rsp
movl $0xffffffff, %r14d      # imm = 0xFFFFFFFF
cmpl $0x4, %edi
jge 0x247a
movl %r14d, %eax
addq $0x28, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
retq
movq %rsi, %r12
movq 0x10(%rsi), %rdi
xorl %ebx, %ebx
xorl %esi, %esi
xorl %edx, %edx
callq 0x2230
movq %rax, %r15
movq 0x18(%r12), %rdi
xorl %esi, %esi
xorl %edx, %edx
callq 0x2230
movq %rax, -0x40(%rbp)
cmpl %eax, %r15d
adcl $-0x1, %ebx
callq 0x2090
movq %rax, -0x38(%rbp)
movq 0x8(%r12), %rdi
callq 0x2832
movl %eax, %edi
movl $0xc, %esi
callq 0x285f
movq %rax, %r14
movq 0x10(%rax), %r12
movl $0x1, %edi
movl $0x80, %esi
callq 0x2140
movq %rax, %r13
movq %r12, (%rax)
leaq 0x22a(%rip), %rax       # 0x2713
movq %rax, 0x78(%r13)
leaq 0x8(%r13), %rsi
movaps 0x3b18(%rip), %xmm0     # 0x6010
movups %xmm0, 0x8(%r13)
leaq 0x20(%r13), %r12
movl $0x2d, 0x20(%r13)
movl $0x10, %edx
movl $0xffffffff, %edi       # imm = 0xFFFFFFFF
callq 0x3b50
movl %eax, 0x28(%r13)
movl $0x4, %edx
movl %eax, %edi
movq %r12, %rsi
callq 0x3b50
movl %eax, 0x28(%r13)
leaq 0x24(%r13), %rsi
movl $0x4, %edx
movl %eax, %edi
callq 0x3b50
movl %eax, 0x28(%r13)
movq %r14, %rdi
callq 0x32fd
testq %rax, %rax
je 0x2709
orl $0x1, %ebx
movq (%r13), %rdi
callq 0x4144
movq %rax, %r14
movq %r13, %r12
addq $0x38, %r13
movq 0x10(%rax), %rax
movups 0x14(%rax), %xmm0
movups 0x24(%rax), %xmm1
movups 0x34(%rax), %xmm2
movups 0x40(%rax), %xmm3
movups %xmm0, 0x38(%r12)
movups %xmm1, 0x48(%r12)
movups %xmm2, 0x58(%r12)
movups %xmm3, 0x64(%r12)
cmpw $0xf30a, 0x38(%r12)     # imm = 0xF30A
je 0x25ae
movq %r13, %rdi
callq 0x5da0
orb $0x1, 0x74(%r12)
movq %r12, -0x48(%rbp)
movq %r14, 0x18(%r12)
movq -0x40(%rbp), %rax
subl %r15d, %eax
imull %ebx, %eax
testl %eax, %eax
js 0x2665
movq -0x48(%rbp), %rdx
movq (%rdx), %rdi
movq (%rdi), %rcx
movq %r13, %rsi
callq 0x42b3
movq %rax, %r12
movq %rax, %rdi
movl %r15d, %esi
leaq -0x29(%rbp), %rdx
callq 0x44f5
testl %eax, %eax
jne 0x262b
cmpb $0x0, -0x29(%rbp)
je 0x2604
movq %r12, %rdi
callq 0x44c6
addl %ebx, %r15d
jmp 0x25b7
movq 0x79ed(%rip), %rax      # 0x9ff8
movq (%rax), %rdi
leaq 0x3a1f(%rip), %rsi      # 0x6034
movl %r15d, %edx
xorl %eax, %eax
callq 0x2160
movq %r12, %rdi
callq 0x5636
testl %eax, %eax
je 0x25f7
movl %eax, %r14d
movq -0x38(%rbp), %rbx
movq 0x79bf(%rip), %rax      # 0x9ff8
movq (%rax), %r13
movl %r14d, %edi
callq 0x2280
leaq 0x39d5(%rip), %rsi      # 0x6020
movq %r13, %rdi
movq %rax, %rdx
movl %r15d, %ecx
xorl %eax, %eax
callq 0x2160
movq %r12, %rdi
callq 0x44c6
jmp 0x266c
xorl %r14d, %r14d
movq -0x38(%rbp), %rbx
callq 0x2090
movq %rax, %r15
movq 0x797d(%rip), %rax      # 0x9ff8
movq (%rax), %r12
negl %r14d
movl %r14d, %edi
callq 0x2280
movq %rax, %r8
subq %rbx, %r15
movabsq $0x431bde82d7b634db, %rcx # imm = 0x431BDE82D7B634DB
movq %r15, %rax
imulq %rcx
movq %rdx, %rcx
shrq $0x3f, %rcx
sarq $0x12, %rdx
addq %rdx, %rcx
leaq 0x39a6(%rip), %rsi      # 0x605a
xorl %r14d, %r14d
movq %r12, %rdi
movq %r8, %rdx
xorl %eax, %eax
callq 0x2160
movq -0x48(%rbp), %rbx
movq (%rbx), %rax
movq 0x18(%rbx), %r12
movq 0x10(%rax), %r15
testb $0x1, 0x74(%rbx)
je 0x26e7
movq 0x78(%rbx), %rax
testq %rax, %rax
je 0x26e7
movq %rbx, %rdi
callq *%rax
movq %rbx, %rdi
callq 0x2030
movq %r12, %rdi
callq 0x41d8
movq %r15, %rdi
callq 0x29ef
callq 0x2808
jmp 0x2468
movl $0x1, %edi
callq 0x2250