lib/util/randsysrandom.c


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#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
#define _XOPEN_SOURCE 500  /* Make sure random() is in stdlib.h */
#define _BSD_SOURCE  /* Make sure random() is in stdlib.h */

#include <stdlib.h>

#include "netpbm/rand.h"

static void
vinit(struct pm_randSt * const randStP) {

    randStP->max    = RAND_MAX;
    randStP->stateP = NULL;
}


static void
vsrand(struct pm_randSt * const randStP,
       unsigned int       const seed) {

    srandom(seed);
}


static unsigned long int
vrand(struct pm_randSt * const randStP) {

    return random();
}


struct pm_rand_vtable const pm_randsysrandom_vtable = {
    &vinit,
    &vsrand,
    &vrand
};