compat.h

   1 #ifndef COMPAT_H
   2 #define COMPAT_H
   3
   4 /*
   5  * Various systems get these things wrong. So
   6  * we create a small compat library for them.
   7  *
   8  *  - zeroed anonymous mmap
   9  *      Missing in mingw
  10  *  - "string to long double" (C99 strtold())
  11  *      Missing in Solaris and mingw
  12  *  - checking for file identity (POSIX st_dev && st_ino comparison)
  13  *      mingw needs to check the name (st_dev/st_ino are zero)
  14  */
  15 struct stream;
  16 struct stat;
  17
  18 /*
  19  * Our "blob" allocator works on chunks that are multiples
  20  * of this size (the underlying allocator may be a mmap that
  21  * cannot handle smaller chunks, for example, so trying to
  22  * allocate blobs that aren't aligned is not going to work).
  23  */
  24 #define CHUNK 32768
  25
  26 void *blob_alloc(unsigned long size);
  27 void blob_free(void *addr, unsigned long size);
  28 long double string_to_ld(const char *nptr, char **endptr);
  29 int identical_files(struct stream* s, struct stat *st, const char * name);
  30
  31 #endif