From aed707f679cce80afd929f0efaf080f1e8481330 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Thu, 28 Jul 2011 22:03:54 -0400 Subject: remove ugly prng from mk*temp and just re-poll time on retry --- src/temp/mktemp.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/src/temp/mktemp.c b/src/temp/mktemp.c index b04f5dee..c0e06f5e 100644 --- a/src/temp/mktemp.c +++ b/src/temp/mktemp.c @@ -13,20 +13,19 @@ char *__mktemp(char *template) struct timespec ts; size_t i, l = strlen(template); int retries = 10000; - unsigned long r, t; + unsigned long r; if (l < 6 || strcmp(template+l-6, "XXXXXX")) { errno = EINVAL; *template = 0; return template; } - clock_gettime(CLOCK_REALTIME, &ts); - r = ts.tv_nsec + (uintptr_t)&ts / 16 + (uintptr_t)template; while (retries--) { - for (t=r, i=1; i<=6; i++, t>>=4) - template[l-i] = 'A'+(t&15); + clock_gettime(CLOCK_REALTIME, &ts); + r = ts.tv_nsec + (uintptr_t)&ts / 16 + (uintptr_t)template; + for (i=1; i<=6; i++, r>>=4) + template[l-i] = 'A'+(r&15); if (access(template, F_OK) < 0) return template; - r = r * 1103515245 + 12345; } *template = 0; errno = EEXIST; -- cgit v1.2.1