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  */
  13
  14 /*
  15  * Our "blob" allocator works on chunks that are multiples
  16  * of this size (the underlying allocator may be a mmap that
  17  * cannot handle smaller chunks, for example, so trying to
  18  * allocate blobs that aren't aligned is not going to work).
  19  */
  20 #define CHUNK 32768
  21
  22 void *blob_alloc(unsigned long size);
  23 void blob_free(void *addr, unsigned long size);
  24 long double string_to_ld(const char *nptr, char **endptr);
  25
  26 #endif