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kconfig: allow specifying the seed for randconfig
[carl9170fw.git]
/
config
/
conf.c
diff --git
a/config/conf.c
b/config/conf.c
index cdbdb1129eeb3067b26451c0851d014d709a4ad2..ea4080d6eaab0b93b3752cd858604571547ad353 100644
(file)
--- a/
config/conf.c
+++ b/
config/conf.c
@@
-13,6
+13,7
@@
#include <getopt.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <getopt.h>
#include <sys/stat.h>
#include <sys/time.h>
+#include <errno.h>
#include "lkc.h"
#include "lkc.h"
@@
-498,14
+499,23
@@
int main(int ac, char **av)
{
struct timeval now;
unsigned int seed;
{
struct timeval now;
unsigned int seed;
+ char *seed_env;
/*
* Use microseconds derived seed,
* compensate for systems where it may be zero
*/
gettimeofday(&now, NULL);
/*
* Use microseconds derived seed,
* compensate for systems where it may be zero
*/
gettimeofday(&now, NULL);
-
seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
+
+ seed_env = getenv("KCONFIG_SEED");
+ if( seed_env && *seed_env ) {
+ char *endp;
+ int tmp = (int)strtol(seed_env, &endp, 10);
+ if (*endp == '\0') {
+ seed = tmp;
+ }
+ }
srand(seed);
break;
}
srand(seed);
break;
}