diff options
| -rw-r--r-- | src/temp/mktemp.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/temp/mktemp.c b/src/temp/mktemp.c index 654a2794..b04f5dee 100644 --- a/src/temp/mktemp.c +++ b/src/temp/mktemp.c @@ -11,9 +11,9 @@ char *__mktemp(char *template) { struct timespec ts; - size_t l = strlen(template); + size_t i, l = strlen(template); int retries = 10000; - unsigned long r; + unsigned long r, t; if (l < 6 || strcmp(template+l-6, "XXXXXX")) { errno = EINVAL; @@ -23,7 +23,8 @@ char *__mktemp(char *template) clock_gettime(CLOCK_REALTIME, &ts); r = ts.tv_nsec + (uintptr_t)&ts / 16 + (uintptr_t)template; while (retries--) { - snprintf(template+l-6, 7, "%06lX", r & 0xffffff); + for (t=r, i=1; i<=6; i++, t>>=4) + template[l-i] = 'A'+(t&15); if (access(template, F_OK) < 0) return template; r = r * 1103515245 + 12345; } |