stdio-common/bug3.c

   1 #include <ansidecl.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4
   5 int
   6 DEFUN_VOID(main)
   7 {
   8   FILE *f;
   9   int i;
  10   const char filename[] = "/tmp/bugtest";
  11
  12   f = fopen(filename, "w+");
  13   for (i=0; i<9000; i++)
  14     putc ('x', f);
  15   fseek (f, 8180L, 0);
  16   fwrite ("Where does this text go?", 1, 24, f);
  17   fflush (f);
  18
  19   rewind (f);
  20   for (i=0; i<9000; i++)
  21     {
  22       int j;
  23
  24       if ((j = getc(f)) != 'x')
  25         {
  26           if (i != 8180)
  27             {
  28               printf ("Test FAILED!");
  29               return 1;
  30             }
  31           else
  32             {
  33               char buf[25];
  34
  35               buf[0] = j;
  36               fread (buf + 1, 1, 23, f);
  37               buf[24] = '\0';
  38               if (strcmp (buf, "Where does this text go?") != 0)
  39                 {
  40                   printf ("%s\nTest FAILED!\n", buf);
  41                   return 1;
  42                 }
  43               i += 23;
  44             }
  45         }
  46     }
  47
  48   fclose(f);
  49   remove(filename);
  50
  51   puts ("Test succeeded.");
  52
  53   return 0;
  54 }