fix bug whereby most atexit-registered functions got skipped

[musl] / src / temp / mkdtemp.c

diff --git a/src/temp/mkdtemp.c b/src/temp/mkdtemp.c
index 162d98b..76140c7 100644 (file)
--- a/src/temp/mkdtemp.c
+++ b/src/temp/mkdtemp.c
@@ -12,12 +12,15 @@ char *__mktemp(char *);
 
 char *mkdtemp(char *template)
 {
-       for (;;) {
-               if (!__mktemp(template)) return 0;
+       int retries = 100, t0 = *template;
+       while (retries--) {
+               if (!*__mktemp(template)) return 0;
                if (!mkdir(template, 0700)) return template;
                if (errno != EEXIST) return 0;
                /* this is safe because mktemp verified
                 * that we have a valid template string */
+               template[0] = t0;
                strcpy(template+strlen(template)-6, "XXXXXX");
        }
+       return 0;
 }