gomp-20050608-branch/gcc/testsuite/gcc.c-torture/compile/pr23946.c

   1
   2 extern int foo (void);
   3
   4 int
   5 avi_parse_comments (int fd, char *buf, int space_left)
   6 {
   7   int len = 0, readlen = 0, k;
   8   char *data, *c, *d;
   9
  10   if (fd <= 0 || !buf || space_left <= 0)
  11     return -1;
  12
  13   memset (buf, 0, space_left);
  14
  15   readlen = foo ();
  16   if (!(data = malloc (readlen * sizeof (char) + 1)))
  17     return -1;
  18
  19   c = data;
  20   space_left--;
  21
  22   while (len < space_left)
  23     {
  24       if (!c || *c == '\0')
  25         break;
  26       else if (*c == 'I')
  27         {
  28           d = c + 4;
  29
  30           k = 0;
  31           while (d[k] != '\r' && d[k] != '\n' && d[k] != '\0')
  32             ++k;
  33           if (k >= space_left)
  34             return len;
  35
  36
  37           memcpy (buf + len, c, 4);
  38           len += 4;
  39
  40
  41           long2str (buf + len, k + 1);
  42           len += 4;
  43
  44
  45           memcpy (buf + len, d, k);
  46
  47           *(buf + len + k + 1) = '\0';
  48
  49
  50           if ((k + 1) & 1)
  51             {
  52               k++;
  53               *(buf + len + k + 1) = '\0';
  54             }
  55           len += k + 1;
  56
  57
  58           while (*c != '\n' && *c != '\0')
  59             ++c;
  60           if (*c != '\0')
  61             ++c;
  62           else
  63             break;
  64
  65         }
  66     }
  67   free (data);
  68
  69   return len;
  70 }
  71
  72