diff options
Diffstat (limited to 'libc/stdlib/lcong48.c')
-rw-r--r-- | libc/stdlib/lcong48.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libc/stdlib/lcong48.c b/libc/stdlib/lcong48.c new file mode 100644 index 000000000..06cab6672 --- /dev/null +++ b/libc/stdlib/lcong48.c @@ -0,0 +1,29 @@ +/* vi: set sw=4 ts=4: */ +/* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ + +#include <features.h> + +#if defined __USE_SVID || defined __USE_XOPEN +#include <stdint.h> +#include <stdlib.h> +#include <string.h> + +static int __lcong48_r (unsigned short int param[7], struct drand48_data *buffer) +{ + /* Store the given values. */ + memcpy (buffer->__x, ¶m[0], sizeof (buffer->__x)); + buffer->__a = ((uint64_t) param[5] << 32 | (uint32_t) param[4] << 16 | param[3]); + buffer->__c = param[6]; + buffer->__init = 1; + + return 0; +} +# ifdef __USE_MISC +strong_alias(__lcong48_r,lcong48_r) +# endif + +void lcong48 (unsigned short int param[7]) +{ + (void) __lcong48_r (param, &__libc_drand48_data); +} +#endif |