am c9349db1: Merge "Add a constant for S_INT_MIN" into jb-mr1.1-dev

* commit 'c9349db1d2244a74c4d34025f7e0dd4922555706':
  Add a constant for S_INT_MIN
This commit is contained in:
Jean Chalard 2012-11-20 19:37:39 -08:00 committed by Android Git Automerger
commit 6d471258b2

View file

@ -250,6 +250,12 @@ static inline void prof_out(void) {
#ifndef S_INT_MAX
#define S_INT_MAX 2147483647 // ((1 << 31) - 1)
#endif
#ifndef S_INT_MIN
// The literal constant -2147483648 does not work in C prior C90, because
// the compiler tries to fit the positive number into an int and then negate it.
// GCC warns about this.
#define S_INT_MIN (-2147483647 - 1) // -(1 << 31)
#endif
// Define this to use mmap() for dictionary loading. Undefine to use malloc() instead of mmap().
// We measured and compared performance of both, and found mmap() is fairly good in terms of