fix or1k atomic store

[musl] / src / temp / mktemp.c

diff --git a/src/temp/mktemp.c b/src/temp/mktemp.c
index 654a279..4ab0df2 100644 (file)
--- a/src/temp/mktemp.c
+++ b/src/temp/mktemp.c
@@ -1,35 +1,32 @@
+#define _GNU_SOURCE
 #include <string.h>
-#include <stdio.h>
 #include <stdlib.h>
-#include <fcntl.h>
-#include <unistd.h>
 #include <errno.h>
-#include <time.h>
-#include <stdint.h>
-#include "libc.h"
+#include <sys/stat.h>
 
-char *__mktemp(char *template)
+char *__randname(char *);
+
+char *mktemp(char *template)
 {
-       struct timespec ts;
        size_t l = strlen(template);
-       int retries = 10000;
-       unsigned long r;
+       int retries = 100;
+       struct stat st;
 
-       if (l < 6 || strcmp(template+l-6, "XXXXXX")) {
+       if (l < 6 || memcmp(template+l-6, "XXXXXX", 6)) {
                errno = EINVAL;
                *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);
-               if (access(template, F_OK) < 0) return template;
-               r = r * 1103515245 + 12345;
-       }
+
+       do {
+               __randname(template+l-6);
+               if (stat(template, &st)) {
+                       if (errno != ENOENT) *template = 0;
+                       return template;
+               }
+       } while (--retries);
+
        *template = 0;
        errno = EEXIST;
        return template;
 }
-
-weak_alias(__mktemp, mktemp);