// File: /workspace/github_c_makefile_star2_O0/tditlu[P]shadetabler/src/lodepng/lodepng.c
// Function: lodepng_inspect
unsigned lodepng_inspect(unsigned* w, unsigned* h, LodePNGState* state,
                         const unsigned char* in, size_t insize) {
  unsigned width, height;
  LodePNGInfo* info = &state->info_png;
  if(insize == 0 || in == 0) {
    CERROR_RETURN_ERROR(state->error, 48); /*error: the given data is empty*/
  }
  if(insize < 33) {
    CERROR_RETURN_ERROR(state->error, 27); /*error: the data length is smaller than the length of a PNG header*/
  }

  /*when decoding a new PNG image, make sure all parameters created after previous decoding are reset*/
  /* TODO: remove this. One should use a new LodePNGState for new sessions */
  lodepng_info_cleanup(info);
  lodepng_info_init(info);

  if(in[0] != 137 || in[1] != 80 || in[2] != 78 || in[3] != 71
     || in[4] != 13 || in[5] != 10 || in[6] != 26 || in[7] != 10) {
    CERROR_RETURN_ERROR(state->error, 28); /*error: the first 8 bytes are not the correct PNG signature*/
  }
  if(lodepng_chunk_length(in + 8) != 13) {
    CERROR_RETURN_ERROR(state->error, 94); /*error: header size must be 13 bytes*/
  }
  if(!lodepng_chunk_type_equals(in + 8, "IHDR")) {
    CERROR_RETURN_ERROR(state->error, 29); /*error: it doesn't start with a IHDR chunk!*/
  }

  /*read the values given in the header*/
  width = lodepng_read32bitInt(&in[16]);
  height = lodepng_read32bitInt(&in[20]);
  /*TODO: remove the undocumented feature that allows to give null pointers to width or height*/
  if(w) *w = width;
  if(h) *h = height;
  info->color.bitdepth = in[24];
  info->color.colortype = (LodePNGColorType)in[25];
  info->compression_method = in[26];
  info->filter_method = in[27];
  info->interlace_method = in[28];

  /*errors returned only after the parsing so other values are still output*/

  /*error: invalid image size*/
  if(width == 0 || height == 0) CERROR_RETURN_ERROR(state->error, 93);
  /*error: invalid colortype or bitdepth combination*/
  state->error = checkColorValidity(info->color.colortype, info->color.bitdepth);
  if(state->error) return state->error;
  /*error: only compression method 0 is allowed in the specification*/
  if(info->compression_method != 0) CERROR_RETURN_ERROR(state->error, 32);
  /*error: only filter method 0 is allowed in the specification*/
  if(info->filter_method != 0) CERROR_RETURN_ERROR(state->error, 33);
  /*error: only interlace methods 0 and 1 exist in the specification*/
  if(info->interlace_method > 1) CERROR_RETURN_ERROR(state->error, 34);

  if(!state->decoder.ignore_crc) {
    unsigned CRC = lodepng_read32bitInt(&in[29]);
    unsigned checksum = lodepng_crc32(&in[12], 17);
    if(CRC != checksum) {
      CERROR_RETURN_ERROR(state->error, 57); /*invalid CRC*/
    }
  }

  return state->error;
}

// Assembly:
pushq %rbp
movq %rsp, %rbp
subq $0x50, %rsp
movq %rdi, -0x10(%rbp)
movq %rsi, -0x18(%rbp)
movq %rdx, -0x20(%rbp)
movq %rcx, -0x28(%rbp)
movq %r8, -0x30(%rbp)
movq -0x20(%rbp), %rax
addq $0xb8, %rax
movq %rax, -0x40(%rbp)
cmpq $0x0, -0x30(%rbp)
je 0xaab8
cmpq $0x0, -0x28(%rbp)
jne 0xaad2
movq -0x20(%rbp), %rax
movl $0x30, 0x1f0(%rax)
movl $0x30, -0x4(%rbp)
jmp 0xad96
cmpq $0x21, -0x30(%rbp)
jae 0xaaf3
movq -0x20(%rbp), %rax
movl $0x1b, 0x1f0(%rax)
movl $0x1b, -0x4(%rbp)
jmp 0xad96
movq -0x40(%rbp), %rdi
callq 0x7240
movq -0x40(%rbp), %rdi
callq 0x7060
movq -0x28(%rbp), %rax
movzbl (%rax), %eax
cmpl $0x89, %eax
jne 0xab6e
movq -0x28(%rbp), %rax
movzbl 0x1(%rax), %eax
cmpl $0x50, %eax
jne 0xab6e
movq -0x28(%rbp), %rax
movzbl 0x2(%rax), %eax
cmpl $0x4e, %eax
jne 0xab6e
movq -0x28(%rbp), %rax
movzbl 0x3(%rax), %eax
cmpl $0x47, %eax
jne 0xab6e
movq -0x28(%rbp), %rax
movzbl 0x4(%rax), %eax
cmpl $0xd, %eax
jne 0xab6e
movq -0x28(%rbp), %rax
movzbl 0x5(%rax), %eax
cmpl $0xa, %eax
jne 0xab6e
movq -0x28(%rbp), %rax
movzbl 0x6(%rax), %eax
cmpl $0x1a, %eax
jne 0xab6e
movq -0x28(%rbp), %rax
movzbl 0x7(%rax), %eax
cmpl $0xa, %eax
je 0xab88
movq -0x20(%rbp), %rax
movl $0x1c, 0x1f0(%rax)
movl $0x1c, -0x4(%rbp)
jmp 0xad96
movq -0x28(%rbp), %rdi
addq $0x8, %rdi
callq 0x5a60
cmpl $0xd, %eax
je 0xabb4
movq -0x20(%rbp), %rax
movl $0x5e, 0x1f0(%rax)
movl $0x5e, -0x4(%rbp)
jmp 0xad96
movq -0x28(%rbp), %rdi
addq $0x8, %rdi
leaq 0x109c5(%rip), %rsi     # 0x1b588
callq 0x5b10
cmpb $0x0, %al
jne 0xabe6
movq -0x20(%rbp), %rax
movl $0x1d, 0x1f0(%rax)
movl $0x1d, -0x4(%rbp)
jmp 0xad96
movq -0x28(%rbp), %rdi
addq $0x10, %rdi
callq 0x5a80
movl %eax, -0x34(%rbp)
movq -0x28(%rbp), %rdi
addq $0x14, %rdi
callq 0x5a80
movl %eax, -0x38(%rbp)
cmpq $0x0, -0x10(%rbp)
je 0xac16
movl -0x34(%rbp), %ecx
movq -0x10(%rbp), %rax
movl %ecx, (%rax)
cmpq $0x0, -0x18(%rbp)
je 0xac26
movl -0x38(%rbp), %ecx
movq -0x18(%rbp), %rax
movl %ecx, (%rax)
movq -0x28(%rbp), %rax
movzbl 0x18(%rax), %ecx
movq -0x40(%rbp), %rax
movl %ecx, 0x14(%rax)
movq -0x28(%rbp), %rax
movzbl 0x19(%rax), %ecx
movq -0x40(%rbp), %rax
movl %ecx, 0x10(%rax)
movq -0x28(%rbp), %rax
movzbl 0x1a(%rax), %ecx
movq -0x40(%rbp), %rax
movl %ecx, (%rax)
movq -0x28(%rbp), %rax
movzbl 0x1b(%rax), %ecx
movq -0x40(%rbp), %rax
movl %ecx, 0x4(%rax)
movq -0x28(%rbp), %rax
movzbl 0x1c(%rax), %ecx
movq -0x40(%rbp), %rax
movl %ecx, 0x8(%rax)
cmpl $0x0, -0x34(%rbp)
je 0xac7c
cmpl $0x0, -0x38(%rbp)
jne 0xac96
movq -0x20(%rbp), %rax
movl $0x5d, 0x1f0(%rax)
movl $0x5d, -0x4(%rbp)
jmp 0xad96
movq -0x40(%rbp), %rax
movl 0x10(%rax), %edi
movq -0x40(%rbp), %rax
movl 0x14(%rax), %esi
callq 0xada0
movl %eax, %ecx
movq -0x20(%rbp), %rax
movl %ecx, 0x1f0(%rax)
movq -0x20(%rbp), %rax
cmpl $0x0, 0x1f0(%rax)
je 0xacd4
movq -0x20(%rbp), %rax
movl 0x1f0(%rax), %eax
movl %eax, -0x4(%rbp)
jmp 0xad96
movq -0x40(%rbp), %rax
cmpl $0x0, (%rax)
je 0xacf7
movq -0x20(%rbp), %rax
movl $0x20, 0x1f0(%rax)
movl $0x20, -0x4(%rbp)
jmp 0xad96
movq -0x40(%rbp), %rax
cmpl $0x0, 0x4(%rax)
je 0xad18
movq -0x20(%rbp), %rax
movl $0x21, 0x1f0(%rax)
movl $0x21, -0x4(%rbp)
jmp 0xad96
movq -0x40(%rbp), %rax
cmpl $0x1, 0x8(%rax)
jbe 0xad39
movq -0x20(%rbp), %rax
movl $0x22, 0x1f0(%rax)
movl $0x22, -0x4(%rbp)
jmp 0xad96
movq -0x20(%rbp), %rax
cmpl $0x0, 0x20(%rax)
jne 0xad89
movq -0x28(%rbp), %rdi
addq $0x1d, %rdi
callq 0x5a80
movl %eax, -0x44(%rbp)
movq -0x28(%rbp), %rdi
addq $0xc, %rdi
movl $0x11, %esi
callq 0x59f0
movl %eax, -0x48(%rbp)
movl -0x44(%rbp), %eax
cmpl -0x48(%rbp), %eax
je 0xad87
movq -0x20(%rbp), %rax
movl $0x39, 0x1f0(%rax)
movl $0x39, -0x4(%rbp)
jmp 0xad96
jmp 0xad89
movq -0x20(%rbp), %rax
movl 0x1f0(%rax), %eax
movl %eax, -0x4(%rbp)
movl -0x4(%rbp), %eax
addq $0x50, %rsp
popq %rbp
retq
nop