make tmpfile fail after exceeding max tries.

diff --git a/src/stdio/tmpfile.c b/src/stdio/tmpfile.c
index b050f7f..a6b7223 100644 (file)
--- a/src/stdio/tmpfile.c
+++ b/src/stdio/tmpfile.c
@@ -3,14 +3,17 @@
 #include <unistd.h>
 #include "stdio_impl.h"
 
 #include <unistd.h>
 #include "stdio_impl.h"
 

+#define MAXTRIES 100
+

 FILE *tmpfile(void)
 {
        char buf[L_tmpnam], *s;
        int fd;
        FILE *f;
 FILE *tmpfile(void)
 {
        char buf[L_tmpnam], *s;
        int fd;
        FILE *f;

-       for (;;) {
+       int try;
+       for (try=0; try<MAXTRIES; try++) {

                s = tmpnam(buf);
                s = tmpnam(buf);

-               if (!s) return NULL;
+               if (!s) return 0;

                fd = syscall(SYS_open, s, O_RDWR|O_CREAT|O_EXCL|O_LARGEFILE, 0600);
                if (fd >= 0) {
                        f = __fdopen(fd, "w+");
                fd = syscall(SYS_open, s, O_RDWR|O_CREAT|O_EXCL|O_LARGEFILE, 0600);
                if (fd >= 0) {
                        f = __fdopen(fd, "w+");


@@ -18,6 +21,7 @@ FILE *tmpfile(void)
                        return f;
                }
        }
                        return f;
                }
        }

+       return 0;

 }
 
 LFS64(tmpfile);
 }
 
 LFS64(tmpfile);