diff options
Diffstat (limited to 'stdio-common/tstscanf.c')
-rw-r--r-- | stdio-common/tstscanf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/stdio-common/tstscanf.c b/stdio-common/tstscanf.c index 53d4b0ac47..738b25a65e 100644 --- a/stdio-common/tstscanf.c +++ b/stdio-common/tstscanf.c @@ -31,6 +31,10 @@ DEFUN(main, (argc, argv), int argc AND char **argv) { char buf[BUFSIZ]; FILE *in = stdin, *out = stdout; + int x; + + if (sscanf ("0", "%d", &x) != 1) + exit (EXIT_FAILURE); if (argc == 2 && !strcmp (argv[1], "-opipe")) { |