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Avoid leading zeroes on internally generated random seeds, _just_ in

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case they confuse anyone who expects the same seed without the
leading zero to be equivalent.

[originally from svn r5838]
This commit is contained in:
Simon Tatham
2005-05-23 12:02:37 +00:00
parent 80aa8bafb1
commit 49fdcd1ed4
1 changed files with 6 additions and 1 deletions
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7
midend.c
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@ -135,11 +135,16 @@ void midend_new_game(midend_data *me)
/* /*
* Generate a new random seed. 15 digits comes to about * Generate a new random seed. 15 digits comes to about
* 48 bits, which should be more than enough. * 48 bits, which should be more than enough.
*
* I'll avoid putting a leading zero on the number,
* just in case it confuses anybody who thinks it's
* processed as an integer rather than a string.
*/ */
char newseed[16]; char newseed[16];
int i; int i;
newseed[15] = '\0'; newseed[15] = '\0';
for (i = 0; i < 15; i++) newseed[0] = '1' + random_upto(me->random, 9);
for (i = 1; i < 15; i++)
newseed[i] = '0' + random_upto(me->random, 10); newseed[i] = '0' + random_upto(me->random, 10);
sfree(me->seedstr); sfree(me->seedstr);
me->seedstr = dupstr(newseed); me->seedstr = dupstr(newseed);