fix logic error in fread

[musl] / src / stdio / tmpnam.c

diff --git a/src/stdio/tmpnam.c b/src/stdio/tmpnam.c
index 6099b74..2bd72b3 100644 (file)
--- a/src/stdio/tmpnam.c
+++ b/src/stdio/tmpnam.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include <unistd.h>
 #include <time.h>
 #include "libc.h"
@@ -23,8 +24,8 @@ char *tmpnam(char *s)
 
        do {
                __syscall(SYS_clock_gettime, CLOCK_REALTIME, &ts, 0);
-               n = ts.tv_nsec ^ (unsigned)&s ^ (unsigned)s;
+               n = ts.tv_nsec ^ (uintptr_t)&s ^ (uintptr_t)s;
                snprintf(s, L_tmpnam, "/tmp/t%x-%x", a_fetch_add(&index, 1), n);
        } while (!__syscall(SYS_access, s, F_OK) && try++<MAXTRIES);
-       return try==MAXTRIES ? 0 : s;
+       return try>=MAXTRIES ? 0 : s;
 }