X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Ftemp%2Fmktemp.c;h=c0e06f5ef424216c3b142999942b1146c801fa4d;hb=9f65796c35bd93a1de42752ce8af901acfe4b1a4;hp=1057651e315ccc8cefc55c454aa3e5c0682e588f;hpb=69ecbd0f3188be97f91cc0d6415836d23e88f7fc;p=musl

diff --git a/src/temp/mktemp.c b/src/temp/mktemp.c
index 1057651e..c0e06f5e 100644
--- a/src/temp/mktemp.c
+++ b/src/temp/mktemp.c
@@ -11,20 +11,21 @@
 char *__mktemp(char *template)
 {
 	struct timespec ts;
-	size_t l = strlen(template);
+	size_t i, l = strlen(template);
 	int retries = 10000;
 	unsigned long r;
 
 	if (l < 6 || strcmp(template+l-6, "XXXXXX")) {
 		errno = EINVAL;
-		return 0;
+		*template = 0;
+		return 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);
+		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;