diff options
| -rw-r--r-- | src/string/strfry.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/string/strfry.c b/src/string/strfry.c index b46fb06..aa09d0b 100644 --- a/src/string/strfry.c +++ b/src/string/strfry.c @@ -35,12 +35,13 @@ */ char* strfry(char* anagram) { - size_t i, j; + size_t i, j, n; int r; char t; if (anagram == NULL) return NULL; - for (i = strlen(anagram) - 1; i; i--) + n = strlen(anagram); + for (i = n - 1; n && i; i--) { r = rand(); j = (size_t)((double)r / ((double)RAND_MAX + 1) * (double)i); /* TODO This is not uniformally random. */ |