math: fix undefined shift in logf

[musl] / src / temp / mktemp.c

diff --git a/src/temp/mktemp.c b/src/temp/mktemp.c
index 8638e08..7b3d264 100644 (file)
--- a/src/temp/mktemp.c
+++ b/src/temp/mktemp.c
@@ -1,29 +1,30 @@
+#define _GNU_SOURCE
 #include <string.h>
-#include <stdio.h>
 #include <stdlib.h>
-#include <fcntl.h>
-#include <unistd.h>
 #include <errno.h>
-#include "libc.h"
+#include <sys/stat.h>
 
 char *mktemp(char *template)
 {
-       static int lock;
-       static int index;
-       int l = strlen(template);
+       size_t l = strlen(template);
+       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;
-               return NULL;
+               *template = 0;
+               return template;
        }
-       LOCK(&lock);
-       for (; index < 1000000; index++) {
-               snprintf(template+l-6, 6, "%06d", index);
-               if (access(template, F_OK) != 0) {
-                       UNLOCK(&lock);
+
+       do {
+               __randname(template+l-6);
+               if (stat(template, &st)) {
+                       if (errno != ENOENT) *template = 0;
                        return template;
                }
-       }
-       UNLOCK(&lock);
-       return NULL;    
+       } while (--retries);
+
+       *template = 0;
+       errno = EEXIST;
+       return template;
 }