modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/980408-1.c (about)

     1  typedef struct _RunlengthPacket
     2  {
     3    unsigned short
     4      red,
     5      green,
     6      blue,
     7      length;
     8    unsigned short
     9      index;
    10  } RunlengthPacket;
    11  typedef struct _Image
    12  {
    13    int
    14      status,
    15      temporary;
    16    char
    17      filename[1664 ];
    18    long int
    19      filesize;
    20    int
    21      pipe;
    22    char
    23      magick[1664 ],
    24      *comments,
    25      *label,
    26      *text;
    27    unsigned int
    28      matte;
    29    unsigned int
    30      columns,
    31      rows,
    32      depth;
    33    unsigned int
    34      scene,
    35      number_scenes;
    36    char
    37      *montage,
    38      *directory;
    39    unsigned int
    40      colors;
    41    double
    42      gamma;
    43    float
    44      x_resolution,
    45      y_resolution;
    46    unsigned int
    47      mean_error_per_pixel;
    48    double
    49      normalized_mean_error,
    50      normalized_maximum_error;
    51    unsigned long
    52      total_colors;
    53    char
    54      *signature;
    55    unsigned int
    56      packets,
    57      runlength,
    58      packet_size;
    59    unsigned char
    60      *packed_pixels;
    61    long int
    62      magick_time;
    63    char
    64      magick_filename[1664 ];
    65    unsigned int
    66      magick_columns,
    67      magick_rows;
    68    char
    69      *geometry,
    70      *page;
    71    unsigned int
    72      dispose,
    73      delay,
    74      iterations;
    75    unsigned int
    76      orphan;
    77    struct _Image
    78      *previous,
    79      *list,
    80      *next;
    81  } Image;
    82    Image *MinifyImage(Image *image)
    83  {
    84    Image
    85      *minified_image;
    86    register RunlengthPacket
    87      *q,
    88      *s,
    89      *s0,
    90      *s1,
    91      *s2,
    92      *s3;
    93    register unsigned int
    94      x;
    95    unsigned int
    96      blue,
    97      green,
    98      red;
    99    unsigned long
   100      total_matte,
   101      total_blue,
   102      total_green,
   103      total_red;
   104    unsigned short
   105      index;
   106      for (x=0; x < (image->columns-1); x+=2)
   107      {
   108        total_red=0;
   109        total_green=0;
   110        total_blue=0;
   111        total_matte=0;
   112        s=s0;
   113        total_red+=( 3 )*(s->red); total_green+=( 3 )*(s->green); total_blue+=( 3 )*(s->blue); total_matte+=( 3 )*(s->index); s++; ; total_red+=( 7 )*(s->red); total_green+=( 7 )*(s->green); total_blue+=( 7 )*(s->blue); total_matte+=( 7 )*(s->index); s++; ;  total_red+=( 7 )*(s->red); total_green+=( 7 )*(s->green); total_blue+=( 7 )*(s->blue); total_matte+=( 7 )*(s->index); s++; ;  total_red+=( 3 )*(s->red); total_green+=( 3 )*(s->green); total_blue+=( 3 )*(s->blue); total_matte+=( 3 )*(s->index); s++; ;
   114        s=s1;
   115        total_red+=( 7 )*(s->red); total_green+=( 7 )*(s->green); total_blue+=( 7 )*(s->blue); total_matte+=( 7 )*(s->index); s++; ; total_red+=( 15 )*(s->red); total_green+=( 15 )*(s->green); total_blue+=( 15 )*(s->blue); total_matte+=( 15 )*(s->index); s++; ; total_red+=( 15 )*(s->red); total_green+=( 15 )*(s->green); total_blue+=( 15 )*(s->blue); total_matte+=( 15 )*(s->index); s++; ; total_red+=( 7 )*(s->red); total_green+=( 7 )*(s->green); total_blue+=( 7 )*(s->blue); total_matte+=( 7 )*(s->index); s++; ;
   116        s=s2;
   117        total_red+=( 7 )*(s->red); total_green+=( 7 )*(s->green); total_blue+=( 7 )*(s->blue); total_matte+=( 7 )*(s->index); s++; ; total_red+=( 15 )*(s->red); total_green+=( 15 )*(s->green); total_blue+=( 15 )*(s->blue); total_matte+=( 15 )*(s->index); s++; ; total_red+=( 15 )*(s->red); total_green+=( 15 )*(s->green); total_blue+=( 15 )*(s->blue); total_matte+=( 15 )*(s->index); s++; ; total_red+=( 7 )*(s->red); total_green+=( 7 )*(s->green); total_blue+=( 7 )*(s->blue); total_matte+=( 7 )*(s->index); s++; ;
   118        s=s3;
   119        total_red+=( 3 )*(s->red); total_green+=( 3 )*(s->green); total_blue+=( 3 )*(s->blue); total_matte+=( 3 )*(s->index); s++; ; total_red+=( 7 )*(s->red); total_green+=( 7 )*(s->green); total_blue+=( 7 )*(s->blue); total_matte+=( 7 )*(s->index); s++; ;  total_red+=( 7 )*(s->red); total_green+=( 7 )*(s->green); total_blue+=( 7 )*(s->blue); total_matte+=( 7 )*(s->index); s++; ;  total_red+=( 3 )*(s->red); total_green+=( 3 )*(s->green); total_blue+=( 3 )*(s->blue); total_matte+=( 3 )*(s->index); s++; ;
   120        red=(unsigned short) ((total_red+63) >> 7);
   121        green=(unsigned short) ((total_green+63) >> 7);
   122        blue=(unsigned short) ((total_blue+63) >> 7);
   123        index=(unsigned short) ((total_matte+63) >> 7);
   124        if ((red == q->red) && (green == q->green) && (blue == q->blue) &&
   125            (index == q->index) && ((int) q->length < 65535L ))
   126          q->length++;
   127      }
   128    return(minified_image);
   129  }