define NULL as nullptr when used in C++11 or later

[musl] / src / temp / mkostemps.c

diff --git a/src/temp/mkostemps.c b/src/temp/mkostemps.c
index d87d4b6..ef24eea 100644 (file)
--- a/src/temp/mkostemps.c
+++ b/src/temp/mkostemps.c
@@ -1,27 +1,27 @@
 #define _BSD_SOURCE
+#include <stdlib.h>
 #include <string.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <errno.h>
-#include "libc.h"
-
-char *__randname(char *);
 
 int __mkostemps(char *template, int len, int flags)
 {
        size_t l = strlen(template);
-       if (l<6 || len>l-6 || strncmp(template+l-len-6, "XXXXXX", 6)) {
+       if (l<6 || len>l-6 || memcmp(template+l-len-6, "XXXXXX", 6)) {
                errno = EINVAL;
                return -1;
        }
 
+       flags -= flags & O_ACCMODE;
        int fd, retries = 100;
-       while (retries--) {
+       do {
                __randname(template+l-len-6);
                if ((fd = open(template, flags | O_RDWR | O_CREAT | O_EXCL, 0600))>=0)
                        return fd;
-               if (errno != EEXIST) return -1;
-       }
+       } while (--retries && errno == EEXIST);
+
+       memcpy(template+l-len-6, "XXXXXX", 6);
        return -1;
 }