tests/cc-shebang.c

   1 #if 0
   2 exec nbdkit cc "$0" "$@"
   3 #endif
   4 #include <stdint.h>
   5 #include <string.h>
   6
   7 #define NBDKIT_API_VERSION 2
   8 #include <nbdkit-plugin.h>
   9
  10 char data[100*1024*1024];
  11
  12 #define THREAD_MODEL NBDKIT_THREAD_MODEL_PARALLEL
  13
  14 static void *
  15 my_open (int readonly)
  16 {
  17   return NBDKIT_HANDLE_NOT_NEEDED;
  18 }
  19
  20 static int64_t
  21 my_get_size (void *handle)
  22 {
  23   return (int64_t) sizeof (data);
  24 }
  25
  26 static int
  27 my_pread (void *handle, void *buf,
  28           uint32_t count, uint64_t offset,
  29           uint32_t flags)
  30 {
  31   memcpy (buf, data+offset, count);
  32   return 0;
  33 }
  34
  35 static int
  36 my_pwrite (void *handle, const void *buf,
  37            uint32_t count, uint64_t offset,
  38            uint32_t flags)
  39 {
  40   memcpy (data+offset, buf, count);
  41   return 0;
  42 }
  43
  44 static struct nbdkit_plugin plugin = {
  45   .name              = "myplugin",
  46   .open              = my_open,
  47   .get_size          = my_get_size,
  48   .pread             = my_pread,
  49   .pwrite            = my_pwrite,
  50 };
  51
  52 NBDKIT_REGISTER_PLUGIN(plugin)