diff options
Diffstat (limited to 'newlib/libc/include/sys/reent.h')
| -rw-r--r-- | newlib/libc/include/sys/reent.h | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/newlib/libc/include/sys/reent.h b/newlib/libc/include/sys/reent.h index 760638676..8a0fb7f12 100644 --- a/newlib/libc/include/sys/reent.h +++ b/newlib/libc/include/sys/reent.h @@ -136,6 +136,33 @@ struct __sFILE { }; /* + * rand48 family support + * + * Copyright (c) 1993 Martin Birgmeier + * All rights reserved. + * + * You may redistribute unmodified or modified versions of this source + * code provided that the above copyright notice and this and the + * following conditions are retained. + * + * This software is provided ``as is'', and comes with no warranties + * of any kind. I shall in no event be liable for anything that happens + * to anyone/anything when using this software. + */ +#define _RAND48_SEED_0 (0x330e) +#define _RAND48_SEED_1 (0xabcd) +#define _RAND48_SEED_2 (0x1234) +#define _RAND48_MULT_0 (0xe66d) +#define _RAND48_MULT_1 (0xdeec) +#define _RAND48_MULT_2 (0x0005) +#define _RAND48_ADD (0x000b) +struct _rand48 { + unsigned short _seed[3]; + unsigned short _mult[3]; + unsigned short _add; +}; + +/* * struct _reent * * This structure contains *all* globals needed by the library. @@ -183,7 +210,7 @@ struct _reent struct tm _localtime_buf; int _gamma_signgam; __extension__ unsigned long long _rand_next; - + struct _rand48 _r48; } _reent; /* Two next two fields were once used by malloc. They are no longer used. They are used to preserve the space used before so as to @@ -213,7 +240,9 @@ struct _reent #define _REENT_INIT(var) \ { 0, &var.__sf[0], &var.__sf[1], &var.__sf[2], 0, "", 0, "C", \ 0, NULL, NULL, 0, NULL, NULL, 0, NULL, { {0, NULL, "", \ - { 0,0,0,0,0,0,0,0}, 0, 1} } } + { 0,0,0,0,0,0,0,0}, 0, 1, \ + {{_RAND48_SEED_0, _RAND48_SEED_1, _RAND48_SEED_2}, \ + {_RAND48_MULT_0, _RAND48_MULT_1, _RAND48_MULT_2}, _RAND48_ADD}} } } /* * All references to struct _reent are via this pointer. |