make mktemp match the historic behavior, and update functions that use it

[musl] / src / temp / mkstemp.c

diff --git a/src/temp/mkstemp.c b/src/temp/mkstemp.c
index 20019ed..a390d42 100644 (file)
--- a/src/temp/mkstemp.c
+++ b/src/temp/mkstemp.c
@@ -11,14 +11,15 @@ char *__mktemp(char *);
 
 int mkstemp(char *template)
 {
-       int fd, retries = 100;
+       int fd, retries = 100, t0 = *template;
        while (retries--) {
-               if (!__mktemp(template)) return -1;
+               if (!*__mktemp(template)) return -1;
                if ((fd = open(template, O_RDWR | O_CREAT | O_EXCL, 0600))>=0)
                        return fd;
                if (errno != EEXIST) return -1;
                /* this is safe because mktemp verified
                 * that we have a valid template string */
+               template[0] = t0;
                strcpy(template+strlen(template)-6, "XXXXXX");
        }
        return -1;